ICD10 Category

ICD10 Diagnosess we collect as part of ICD10 collection are each in one or more Category. These can be exported to CCMDB.accdb via ICD10 Categories for CCMDB.accdb.

Available categories

ANCA-associated Vasculitis (AAV), Abdominal trauma, Abortion, Acute intoxication, Addiction, Adrenal Insufficiency, Adverse effect, Alcohol related, Allergy, Anemia, Anesthetic related, Aneurysm, Antibiotic resistance, Antidepressant related, Aortic Aneurysm, Arrhythmia, Arterial thromboembolism, Asthma, Atherosclerosis, Awaiting/delayed transfer, Bacteria, Benign neoplasm, Breast disease, Burn, COVID, Cannabis related, Cardiac septum problem, Cardiovascular, Cerebral Hemorrhage/Stroke, Chemical burn, Chronic kidney disease, Cirrhosis, Cocaine related, Decubitus ulcer, Delirium, Dementia, Diabetes, Diagnosis implying death, Double duty pathogen, ENT, Encephalitis, Encephalopathy, Endocrine disorder, Endocrine neoplasm, Exposure, Eye, Female genital neoplasm, Fistula, Fracture, Fungus, GI ulcer, Gastroenteritis, Gastrointestinal, Gastrointestinal neoplasm, Hallucinogen related, Has one, Head trauma, Head trauma (old), Healthcare contact, Heart valve disease, Heme/immunology, Heme/immunology neoplasm, Hemophilia, Hemorrhage, Hepatitis, Hereditary/congenital, Hernia, Hypertension, Hypotension, Iatrogenic, Iatrogenic infection, Iatrogenic mechanism, Imaging, Infection requiring pathogen, Infection with implied pathogen, Infectious disease, Inflammatory Bowel Disease, Influenza, Inhalation, Intra-abdominal infection, Ischemia, Ischemic gut, Ischemic heart disease, Joint/ligament trauma, Leukemia, Liver disease, Liver failure, Lower limb trauma, Lower respiratory tract infection, Lymphoma, Male genital neoplasm, Mechanism, Meningitis, Metabolic/nutrition, Metastasis, Misc, Muscle problem, Muscles/tendon trauma, Musculoskeletal/soft tissue, Musculoskeletal/soft tissue neoplasm, Myocardial Infarction, Neck trauma, Neoplastic, Nephritic syndrome, Neuro, Neuro neoplasm, Non-specific pathogens, Non-traumatic fracture, Observation, Opioid related, Organ removal, Osteomyelitis, Ostomy, Overdose, Pain, Pancreas disease, Pancreatitis, Paralysis, Past medical history, Pathogens, Pathologic fracture, Pathologic fracture due to neoplasm, Pathologic fracture due to osteoporosis, Peptic ulcer, Peripartum, Pleural abnormalities, Pneumoconiosis, Pneumonia, Pneumothorax, Poisoning, Poisoning by non-pharmaceuticals, Potential infection, Potential trauma, Primary malignancy, Psych, Psychoactive substance NOS related, Pulmonary embolism, Pulmonary hypertension, Radiation related, Renal failure, Renal/Urinary neoplasm, Renal/urinary, Reproductive, Respiratory, Respiratory neoplasm, Retired Code, Rheumatic disease, Sedative related, Shock, Skin, Skin neoplasm, Sleep disorder, Solvent related, Spine, Stimulant related, Symptom/Sign, Testing, Thoracic trauma, Thrombocytopenia, Tracheostomy, Transplant, Transportation mechanism, Trauma, Traumatic Amputation, Traumatic fracture, Tuberculosis, Upper limb trauma, Upper respiratory tract infection, Urinary tract infection, Vascular trauma, Vasculitis, Venous thromboembolism, Virus, Withdrawal

all ICD10s with categories

	Has ICD10Category	Has ICD10Code
AIDS (disease due to HIV)	Infectious disease Heme/immunology Infection with implied pathogen	B24
ARDS (noncardiogenic pulmonary edema)	Respiratory	J80
Abdomen or lower back or pelvis NOS, wound/injury/trauma	Gastrointestinal Trauma Abdominal trauma	S39
Abdomen or lower back or pelvis, nerves NOS, injury/trauma	Trauma Neuro Abdominal trauma	S34.68
Abdomen or lower back or pelvis, soft tissues, open wound, injury/trauma	Gastrointestinal Trauma Skin Reproductive Abdominal trauma	S31
Abdomen or lower back or pelvis, superficial injury/trauma (minor, contusion)	Trauma Abdominal trauma	S30
Abdomen or pelvic, blood vessels NOS, injury/trauma	Trauma Abdominal trauma Vascular trauma Cardiovascular	S35.9
Abdominal hernia, NOS	Gastrointestinal Hernia	K46.9
Abdominal hernia, with gangrene	Gastrointestinal Infectious disease Potential infection Hernia	K46.1
Abdominal hernia, with obstruction, incarceration or strangulation	Gastrointestinal Hernia	K46.0
Abnormal blood chemistry NOS	Testing	R79.8
Abnormal uterine or vaginal hemorrhage, NOS	Reproductive Peripartum Hemorrhage	N93.9
Abortion NOS, with complication	Infectious disease Reproductive Peripartum Potential infection Hemorrhage Abortion	O05.8
Abortion NOS, without complication	Reproductive Peripartum Abortion	O05.9
Abruptio placentae (premature separation of placenta)	Reproductive Peripartum	O45
Abscess of intestine	Gastrointestinal Infection requiring pathogen Intra-abdominal infection	K63.0
Acetaminophen (tylenol, paracematol), adverse effect	Iatrogenic Allergy Adverse effect	Y45.5
Acetaminophen (tylenol, paracematol), overdose/toxicity	Poisoning Overdose	T39.1
Achalasia of esophagus	Gastrointestinal	K22.0
Achondroplasia (acrondroplastic dwarfism)	Musculoskeletal/soft tissue Hereditary/congenital	Q77.4
Acid or alkali (not specified which) or other corrosive substance, poisoning	Poisoning Poisoning by non-pharmaceuticals	T54.9
Acid, poisoning	Poisoning Poisoning by non-pharmaceuticals	T54.2
Acidosis, NOS	Metabolic/nutrition Misc	E87.2
Acinetobacter species	Pathogens	U22.14
Acquired deficiency of clotting factors	Heme/immunology	D68.4
Actinomyces (actinomycosis)	Bacteria Infectious disease Infection with implied pathogen Double duty pathogen	A42
Acute abdomen	Gastrointestinal Symptom/Sign	R10.0
Acute erythroblastic leukemia (erythroleukemia)	Heme/immunology Neoplastic Leukemia	C94.0
Acute lymphoblastic leukemia (ALL)	Heme/immunology Neoplastic Leukemia	C91.0
Acute megakaryoblastic leukemia	Heme/immunology Neoplastic Leukemia	C94.2
Acute myeloid leukemia (AML)	Heme/immunology Neoplastic Leukemia	C92.0
Acute myelomonocytic leukaemia (AMML)	Heme/immunology Neoplastic Leukemia	C92.5
Acute myocardial infarction complication of Dressler's syndrome (postmyocardial infarction syndrome)	Myocardial Infarction Cardiovascular	I24.1
Acute myocardial infarction complication of atrial septal defect (ASD)	Myocardial Infarction Cardiac septum problem Cardiovascular	I23.1
Acute myocardial infarction complication of cardiac (intracardiac) mural thrombus	Myocardial Infarction Cardiovascular	I23.6
Acute myocardial infarction complication of cardiac rupture	Myocardial Infarction Cardiovascular	I23.3
Acute myocardial infarction complication of ventricular septal defect (VSD)	Myocardial Infarction Cardiac septum problem Cardiovascular	I23.2
Acute myocardial infarction complication, NOS	Myocardial Infarction Cardiovascular	I23.88
Acute myringitis	ENT	H73.0
Acute promyelocytic leukaemia (APL)	Heme/immunology Neoplastic Leukemia	C92.4
Acute rheumatic fever with heart involvement	Rheumatic disease Cardiovascular	I01
Adenovirus	Pathogens Virus	B97.0
Adipose (fat), noninfectious inflammatory disorder (panniculitis)	Musculoskeletal/soft tissue	M79.3
Adjustment disorder	Psych	F43.2
Adrenal gland disorder, NOS	Reproductive Hereditary/congenital	E27.9
Adrenal gland, benign neoplasm	Neoplastic Endocrine disorder Endocrine neoplasm Benign neoplasm	D35.0
Adrenal gland, metastatic malignancy to it (also code primary site)	Neoplastic Metastasis Endocrine neoplasm	C79.7
Adrenal gland, primary malignancy	Neoplastic Endocrine disorder Endocrine neoplasm Primary malignancy	C74
Adrenal insufficiency, NOS	Endocrine disorder Adrenal Insufficiency	E27.4
Adrenal insufficiency, drug-induced (i.e. due to steroid administration)	Metabolic/nutrition Iatrogenic Endocrine disorder Adrenal Insufficiency	E27.3
Adrenal insufficiency, primary (Addison's disease)	Heme/immunology Metabolic/nutrition Endocrine disorder Adrenal Insufficiency	E27.1
Adrenal insufficiency, severe (Adrenal crisis, Addisonian crisis)	Metabolic/nutrition Endocrine disorder Adrenal Insufficiency	E27.2
Adrenogenital disorders	Metabolic/nutrition Endocrine disorder	E25
Adverse effect of heat or light, NOS	Misc Exposure	T67.8
Adverse effects of high altitude	Misc Exposure	T70.2
African trypanosomiasis	Infectious disease Infection with implied pathogen	B56
Agitation, restlessness	Metabolic/nutrition Misc Symptom/Sign Psych	R45.1
Air embolism, traumatic	Trauma Venous thromboembolism Cardiovascular	T79.0
Airway disease due to inhaled organic dust	Respiratory Inhalation	J66
Albinism (albino)	Hereditary/congenital	E70.3
Alcohol (ethanol) acute intoxication (drunkenness)	Misc Alcohol related Acute intoxication	F10.0
Alcohol (ethanol), poisoning	Poisoning Alcohol related Poisoning by non-pharmaceuticals	T51.0
Alcohol withdrawal	Misc Psych Alcohol related Withdrawal	F10.4
Alcohol, chronic abuse/dependence/addiction	Misc Psych Alcohol related Addiction	F10.2
Alcoholic ketoacidosis (AKA)	Metabolic/nutrition Misc Alcohol related	F10.129
Alkali, poisoning	Poisoning Poisoning by non-pharmaceuticals	T54.3
Alkalosis	Neuro	E87.3
Allergic bronchopulmonary aspergillosis (ABPA)	Respiratory Allergy Inhalation	J67.90
Allergic reaction (allergy), NOS	Allergy	T78.4
Alopecia (nonscarring hair loss)	Heme/immunology Skin Hereditary/congenital	L65.9
Alpha-1 antitrypsin deficiency	Neuro Psych Hereditary/congenital	E88.01
Alzheimer's disease/dementia	Dementia Neuro	G30
Amnesia	Neuro Misc Symptom/Sign Psych	R41.3
Amoebiasis (amoebic dysentery due to Entamoeba histolytica)	Gastrointestinal Infectious disease Infection with implied pathogen	A06.0
Amyloidosis (primary or secondary)	Metabolic/nutrition Neuro	E85
Amyotrophic lateral sclerosis (ALS, Lou Gehrig's disease)	Neuro	G12.2
Anal fissure	Gastrointestinal	K60.2
Anaphylactic reaction (anaphylaxis)	Allergy Shock	T78.2
Anemia due to folate deficiency	Heme/immunology Metabolic/nutrition Anemia	D52
Anemia due to iron deficiency	Heme/immunology Metabolic/nutrition Anemia	D50
Anemia due to nutritional deficiency, NOS	Heme/immunology Metabolic/nutrition Anemia	D53.9
Anemia due to vitamin B12 deficiency	Heme/immunology Metabolic/nutrition Anemia	D51
Anemia, NOS	Heme/immunology Anemia	D64
Anemia, due to enzyme disorders	Heme/immunology Hereditary/congenital Anemia	D55
Anemia, due to hemorrhage (blood loss anemia)	Heme/immunology Misc Anemia Hemorrhage	D62
Anesthetic gas, adverse effect	Misc Iatrogenic Allergy Adverse effect Anesthetic related	Y48
Anesthetic gas, overdose/toxicity	Poisoning Overdose Anesthetic related	T41
Angina pectoris, stable or NOS	Ischemic heart disease Cardiovascular	I20.9
Angina pectoris, unstable	Ischemic heart disease Cardiovascular	I20.0
Angiodysplasia of colon, with hemorrhage	Gastrointestinal Hemorrhage	K55.20
Angiodysplasia of colon, without hemorrhage	Gastrointestinal	K55.21
Angiodysplasia of small intestine with hemorrhage	Gastrointestinal Hemorrhage	K63.80
Angiodysplasia of small intestine without hemorrhage	Gastrointestinal	K63.81
Angiodysplasia of stomach or duodenum, with hemorrhage	Gastrointestinal Hemorrhage	K31.80
Angiodysplasia of stomach or duodenum, without hemorrhage	Gastrointestinal	K31.81
Angioedema (angioneurotic edema)	Misc Musculoskeletal/soft tissue Allergy	T78.3
Ankle or foot or toes, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation Lower limb trauma	S98
Ankle or foot or toes, blood vessels, wound/injury/trauma	Trauma Neuro Lower limb trauma Vascular trauma	S95
Ankle or foot or toes, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Lower limb trauma Traumatic fracture	S92
Ankle or foot or toes, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Joint/ligament trauma	S93
Ankle or foot or toes, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Muscles/tendon trauma	S96
Ankle or foot or toes, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma	S94
Ankle or foot or toes, open wound, injury/trauma	Trauma Skin Musculoskeletal/soft tissue Lower limb trauma	S91
Ankle or foot or toes, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue Lower limb trauma	S90
Ankle or foot or toes, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Lower limb trauma	S99
Ankylosing spondylitis	Musculoskeletal/soft tissue Spine	M45
Anorexia (poor appetite)	Metabolic/nutrition Misc Symptom/Sign	R63.0
Anoxic brain injury, NOS	Neuro Encephalopathy	G93.1
Anti-arrhythmic, adverse effect	Iatrogenic Allergy Adverse effect	Y52.2
Anti-arrhythmic, overdose/toxicity	Iatrogenic Allergy Overdose	T46.2
Antibiotic/antimicrobial, adverse effect	Iatrogenic Allergy Adverse effect	Y40
Antibiotic/antimicrobial, overdose/toxicity	Poisoning Iatrogenic Overdose	T36
Anticoagulant, adverse effect	Iatrogenic Allergy Adverse effect	Y44.2
Anticoagulant, overdose/toxicity	Poisoning Iatrogenic Overdose	T45.5
Antidepressant drug NOS, adverse effect	Iatrogenic Allergy Adverse effect Antidepressant related	Y49.2
Antidepressant drug NOS, overdose/toxicity	Poisoning Overdose Antidepressant related	T43.2
Antineoplastic/chemotherapy or immunosuppressive drugs, adverse effect	Neoplastic Iatrogenic Allergy Adverse effect	Y43.3
Antineoplastic/chemotherapy or immunosuppressive drugs, overdose/toxicity	Neoplastic Iatrogenic Overdose	T45.1
Antiseizure drug NOS, adverse effect	Neuro Iatrogenic Allergy Adverse effect	Y46
Antiseizure drug NOS, overdose/toxicity	Poisoning Iatrogenic Overdose	T42.6
Anuria or oliguria	Renal/urinary Symptom/Sign Renal failure	R34
Anus or rectum, abscess	Gastrointestinal Infectious disease Infection requiring pathogen Intra-abdominal infection	K61
Anus or rectum, fistula	Gastrointestinal Fistula	K60.5
Anxiety disorder, NOS	Psych	F41.9
Aorta, abdominal, injury/trauma	Trauma Neuro Abdominal trauma Cardiovascular	S35.0
Aorta, thoracic, injury/trauma	Trauma Neuro Thoracic trauma Cardiovascular	S25.0
Aortic aneurysm, NOS with rupture	Aneurysm Aortic Aneurysm Cardiovascular	I71.8
Aortic aneurysm, NOS without mention of rupture	Gastrointestinal Aneurysm Aortic Aneurysm Cardiovascular	I71.9
Aortic aneurysm, abdominal with rupture	Gastrointestinal Aneurysm Aortic Aneurysm Cardiovascular	I71.1
Aortic aneurysm, abdominal without mention of rupture	Gastrointestinal Aneurysm Aortic Aneurysm Cardiovascular	I71.4
Aortic aneurysm, thoracic with rupture	Gastrointestinal Aneurysm Aortic Aneurysm Cardiovascular	I71.3
Aortic aneurysm, thoracic without mention of rupture	Gastrointestinal Aneurysm Aortic Aneurysm Cardiovascular	I71.2
Aortic dissection (any part)	Aneurysm Cardiovascular	I71.0
Aortic valve disorder, NOS	Heart valve disease Cardiovascular	I35.9
Aortic valve insufficiency (regurgitation)	Heart valve disease Cardiovascular	I35.1
Aortic valve or mitral valve, congenital malformation	Hereditary/congenital Heart valve disease Cardiovascular	Q23
Aortic valve stenosis	Heart valve disease Cardiovascular	I35.0
Aphasia or dysphasia	Misc Symptom/Sign	R47.0
Aplastic anemia	Heme/immunology Anemia	D61.8
Appendicitis, with or without rupture or peritonitis	Gastrointestinal Infectious disease Infection requiring pathogen Intra-abdominal infection	K35
Arterial aneurysm or dissection, NOS	Gastrointestinal Aneurysm Cardiovascular	I72
Arteriovenous malformation (AVM)	Hereditary/congenital	Q27.3
Arteriovenous malformation (AVM) of cerebral vessels	Hereditary/congenital Cardiovascular	Q28.2
Arthritis, NOS	Musculoskeletal/soft tissue	M13
Arthritis, due to Lyme	Infectious disease Musculoskeletal/soft tissue Infection with implied pathogen	M01.2
Arthritis, due to tuberculosis	Infectious disease Tuberculosis Musculoskeletal/soft tissue Infection with implied pathogen	M01.1
Arthritis, infectious (septic arthritis)	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen	M00
Artificial opening NOS, has one	Respiratory Past medical history Ostomy Has one	Z93.8
Asbestos lung disease	Respiratory Pneumoconiosis Pleural abnormalities	J61
Ascites	Gastrointestinal Symptom/Sign	R18
Aspergillus	Infectious disease Pathogens Fungus	B44
Aspiration pneumonitis	Respiratory Inhalation Pneumonia	J69.0
Aspirin or other salicylate or NSAID, adverse effect	Iatrogenic Allergy Adverse effect	Y45.1
Aspirin or other salicylate or NSAID, overdose/toxicity	Poisoning Overdose	T39.0
Assisted labor and delivery	Reproductive Peripartum	O83
Asthma, acute exacerbation	Respiratory Heme/immunology Asthma	J45.901
Asthma, without acute exacerbation	Respiratory Asthma	J45.909
Asystole	Arrhythmia Cardiovascular	U85.1
Ataxia (lack of coordination)	Neuro Symptom/Sign	R27.0
Atelectasis	Respiratory	J98.10
Atherosclerosis of aorta	Atherosclerosis Cardiovascular	I70.0
Atherosclerosis of arteries of arms or legs	Atherosclerosis Cardiovascular	I70.2
Atherosclerosis of arteries, NOS	Atherosclerosis Cardiovascular	I70.9
Atherosclerosis of renal artery	Renal/urinary Atherosclerosis Cardiovascular	I70.1
Atopic dermatitis	Skin	L20
Atrial fibrillation and/or atrial flutter	Arrhythmia Cardiovascular	I48
Atrial septal defect (ASD), congenital	Cardiac septum problem Hereditary/congenital Cardiovascular	Q21.1
Atrioventricular block, 1st degree	Cardiovascular	I44.0
Atrioventricular block, 2nd degree	Cardiovascular	I44.1
Atrioventricular block, 3rd degree (complete heart block)	Cardiovascular	I44.2
Attention deficit disorder (ADD) and other hyperkinetic disorders	Neuro Psych	F90
Autism	Neuro Psych	F84.0
Awaiting/delayed transfer to long-term care/PCH inside or outside of Winnipeg	Misc Healthcare contact Awaiting/delayed transfer	Z75.4
Bacillus fragilis (B. frag)	Pathogens	B96.6
Bacteremia	Infectious disease Symptom/Sign Testing Infection requiring pathogen	A49.9
Bacteria, NOS	Bacteria Infectious disease Pathogens Non-specific pathogens	B96.8
Bacterial infection, NOS	Infectious disease Infection requiring pathogen	A48.8
Barrett's esophagus	Gastrointestinal	K22.7
Bartholin's gland, disorder, infectious or not	Infectious disease Reproductive Potential infection	N75
Behavioral disorder, NOS	Neuro Psych	F59
Behcet's disease	Heme/immunology Skin Vasculitis	M35.2
Bell's palsy	Neuro Endocrine disorder	G51.0
Benign neoplasm, NOS	Neoplastic Benign neoplasm	D36.9
Benzodiazepine, adverse effect	Iatrogenic Sedative related Allergy Adverse effect	Y47.1
Benzodiazepine, overdose/toxicity	Poisoning Sedative related Overdose	T42.4
Beta-blocker, adverse effect	Poisoning Allergy Adverse effect	Y51.7
Beta-blocker, overdose/toxicity	Poisoning Overdose	T44.7
Biliary tract, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C24
Bipolar affective disorder	Psych	F31
Bladder, cystitis NOS	Infectious disease Renal/urinary Potential infection Urinary tract infection	N30.9
Bladder, cystitis, acute infectious	Infectious disease Renal/urinary Infection requiring pathogen Urinary tract infection	N30.0
Bladder, cystitis, chronic	Infectious disease Renal/urinary Potential infection Urinary tract infection	N30.2
Bladder, cystitis, radiation-induced	Renal/urinary Radiation related	N30.4
Bladder, disorder NOS	Renal/urinary Reproductive	N32.9
Bladder, fistula, to anywhere	Fistula Renal/urinary	N32.2
Bladder, primary malignancy	Renal/urinary Neoplastic Renal/Urinary neoplasm Primary malignancy	C67
Bladder, rupture/perforation, nontraumatic	Renal/urinary	N32.4
Bladder, traumatic laceration/rupture	Trauma Renal/urinary Abdominal trauma	S37.21
Bladder, wound/injury/trauma	Trauma Renal/urinary Abdominal trauma	S37.29
Blastomyces	Infectious disease Pathogens Fungus	B40
Blindness, both eyes	Eye	H54.0
Blindness, one eye	Eye	H54.4
Body structure NOS, diagnostic imaging, abnormal	Testing Imaging Cardiovascular	R93.8
Bone NOS, nontraumatic fracture NOS	Fracture Musculoskeletal/soft tissue Non-traumatic fracture	M84.49
Bone NOS, osteoporosis with new pathologic fracture	Metabolic/nutrition Fracture Musculoskeletal/soft tissue Pathologic fracture due to osteoporosis Pathologic fracture Non-traumatic fracture	M80.99
Bone NOS, pathologic fracture due to neoplastic disease	Neoplastic Fracture Musculoskeletal/soft tissue Pathologic fracture Pathologic fracture due to neoplasm Non-traumatic fracture Musculoskeletal/soft tissue neoplasm	M90.79
Bone cyst	Musculoskeletal/soft tissue	M85.6
Bone infection (osteomyelitis), NOS	Infectious disease Infection requiring pathogen Osteomyelitis	M86.9
Bone infection (osteomyelitis), acute	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen Osteomyelitis	M86.1
Bone infection (osteomyelitis), chronic	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen Osteomyelitis	M86.6
Bone marrow transplant, failure or rejection	Heme/immunology Iatrogenic Transplant	T86.000
Bone or bone marrow, metastatic malignancy to it (also code primary site)	Neoplastic Musculoskeletal/soft tissue Metastasis Musculoskeletal/soft tissue neoplasm Primary malignancy	C79.5
Bone or cartilage (any location), primary malignancy	Neoplastic Musculoskeletal/soft tissue Musculoskeletal/soft tissue neoplasm Primary malignancy	C41
Bone or cartilage, benign neoplasm	Neoplastic Musculoskeletal/soft tissue Musculoskeletal/soft tissue neoplasm Benign neoplasm	D16
Bone, Paget's disease	Musculoskeletal/soft tissue Hereditary/congenital	M88
Bone, aseptic necrosis (osteonecrosis, avascular necrosis)	Musculoskeletal/soft tissue	M87
Bone, disorder NOS	Musculoskeletal/soft tissue	M89
Bone, disorder of bone continuity NOS	Fracture Musculoskeletal/soft tissue Pathologic fracture	M84.9
Bone, pathologic fracture NOS	Fracture Musculoskeletal/soft tissue Pathologic fracture Non-traumatic fracture	M84.4
Bone, stress fracture	Fracture Musculoskeletal/soft tissue Pathologic fracture Non-traumatic fracture	M84.3
Bone, tuberculosis (tuberculous osteomyelitis)	Infectious disease Tuberculosis Musculoskeletal/soft tissue Infection with implied pathogen Osteomyelitis	M90.0
Botulism (due to Clostridium botulinum toxin)	Gastrointestinal Bacteria Infectious disease Neuro Infection with implied pathogen	A05.1
Bradycardia	Symptom/Sign Cardiovascular	R00.1
Brain compression, including herniation	Neuro	G93.5
Brain death	Neuro Misc Diagnosis implying death	G93.81
Brain disorder, NOS	Neuro	G93.9
Brain injury, diffuse (TBI), injury/trauma	Trauma Neuro Head trauma	S06.2
Brain injury, focal (TBI), injury/trauma	Trauma Neuro Head trauma	S06.3
Brain or meninges, metastatic malignancy to it (also code primary site)	Neoplastic Metastasis Neuro neoplasm Primary malignancy	C79.3
Brain, cerebral edema, injury/trauma	Trauma Neuro Head trauma	S06.1
Brain, concussion, injury/trauma	Trauma Neuro Head trauma	S06.0
Brain, congenital malformation	Neuro Hereditary/congenital	Q04
Brain, primary malignancy	Neuro Neoplastic Neuro neoplasm Primary malignancy	C71
Brain,function test, abnormal	Misc Testing	R94.0
Brain/intracranial injury NOS, injury/trauma	Trauma Neuro Head trauma	S06.9
Breast and lactation, disorder associated with childbirth	Reproductive Breast disease	O92
Breast, benign cystic or fibrocystic disease	Reproductive Breast disease	N60
Breast, benign neoplasm	Neoplastic Reproductive Breast disease Endocrine neoplasm Benign neoplasm	D24
Breast, diagnostic imaging, abnormal	Reproductive Testing Musculoskeletal/soft tissue Imaging Breast disease	R92
Breast, disorder NOS	Infectious disease Reproductive Potential infection Breast disease	N64
Breast, gynecomastia	Reproductive Endocrine disorder Breast disease	N62
Breast, inflammatory or infectious disorder of breast	Infectious disease Reproductive Potential infection Breast disease	N61
Breast, primary malignancy	Neoplastic Reproductive Breast disease Endocrine neoplasm Primary malignancy	C50
Breast, unspecified lump (nodule, mass)	Reproductive Breast disease	N63
Bronchiectasis	Respiratory	J47
Bronchiolitis obliterans organizing pneumonia (BOOP, cryptogenic organizing pneumonia (COP))	Respiratory Pneumonia	J84.89
Bronchitis, acute or chronic not specified, infectious or noninfectious	Respiratory Potential infection Lower respiratory tract infection	J40
Bronchitis, chronic, infectious or noninfectious	Respiratory Potential infection Lower respiratory tract infection	J42
Budd-Chiari syndrome (thromboembolism of hepatic veins)	Gastrointestinal Venous thromboembolism Cardiovascular	I82.0
Bullous skin disorder, NOS	Skin	L13
Burns, 10-19% body surface area involved	Skin Burn	T31.10
Burns, 20-29% body surface area involved	Skin Burn	T31.20
Burns, 30-39% body surface area involved	Skin Burn	T31.30
Burns, 40-49% body surface area involved	Skin Burn	T31.40
Burns, 50-59% body surface area involved	Skin Burn	T31.50
Burns, 60-69% body surface area involved	Skin Burn	T31.60
Burns, 70-79% body surface area involved	Skin Burn	T31.70
Burns, 80-89% body surface area involved	Skin Burn	T31.80
Burns, 90% or more body surface area involved	Skin Burn	T31.90
Burns, up to 9% or unspecified body surface area involved	Skin Burn	T31.00
Bursa disorder, NOS (any site)	Misc Musculoskeletal/soft tissue	M71.8
Bursitis, infective (any site)	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen	M71.1
COPD, acute exacerbation	Respiratory Misc Asthma	J44.1
COPD, without exacerbation	Respiratory Misc	J44.8
COVID-19 (SARS-COV-2)	Pathogens Virus COVID	U07.1
Cachexia	Metabolic/nutrition Symptom/Sign	R64
Calcium channel blocker drug, adverse effect	Iatrogenic Allergy Adverse effect	Y52.1
Calcium channel blocker, overdose/toxicity	Poisoning Overdose	T46.1
Candida species	Pathogens Fungus	B37
Cannabis/cannabinoids, acute intoxication	Acute intoxication Cannabis related	F12.0
Cannabis/cannabinoids, chronic abuse/dependence/addiction	Addiction Cannabis related	F12.2
Cannabis/cannabinoids, withdrawal	Withdrawal Cannabis related	F12.3
Carbon monoxide, poisoning	Poisoning Poisoning by non-pharmaceuticals	T58
Carcinoid syndrome	Neoplastic Endocrine disorder	E34.0
Carcinoma in situ, any site	Neoplastic	D09
Cardiac arrest	Arrhythmia Cardiovascular	I46.9
Cardiac arrhythmia, NOS	Arrhythmia Cardiovascular	I49.9
Cardiac conduction system disorder, NOS	Respiratory Cardiovascular	I45.9
Cardiac pacemaker or defibrillator, adjustment/management	Healthcare contact Cardiovascular	Z45.0
Cardiac pacemaker or defibrillator, has one	Past medical history Cardiovascular Has one	Z95.0
Cardiac septal defect (atrial or ventricular), not related to MI	Neuro Cardiac septum problem Cardiovascular	I51.0
Cardiac septum, congenital malformation NOS	Cardiac septum problem Hereditary/congenital Cardiovascular	Q21.9
Cardiac/cardiovascular drug NOS, adverse effect	Iatrogenic Allergy Adverse effect Cardiovascular	Y52.9
Cardiac/cardiovascular drug NOS, overdose/toxicity	Poisoning Iatrogenic Overdose Cardiovascular	T46.9
Cardiomegaly	Neuro Cardiovascular	I51.7
Cardiomyopathy, NOS	Cardiovascular	I42.9
Cardiomyopathy, alcoholic	Cardiovascular	I42.6
Cardiomyopathy, dilated	Cardiovascular	I42.0
Cardiomyopathy, due to infection, drugs or external agents NOS	Cardiovascular	I42.7
Cardiomyopathy, hypertrophic obstructive (HOCM, IHSS)	Cardiovascular	I42.1
Cardiomyopathy, ischemic	Ischemia Cardiovascular	I25.5
Cardiomyopathy, peripartum	Peripartum Cardiovascular	O90.3
Cardiovascular system, function test, abnormal	Testing Cardiovascular	R94.3
Carotid artery, injury/trauma	Trauma Vascular trauma Neck trauma Cardiovascular	S15.0
Carpal tunnel syndrome	Musculoskeletal/soft tissue Hereditary/congenital	G56.0
Carrier of infectious disease, unspecified	Infectious disease Infection requiring pathogen COVID	Z22.9
Cartilage, costochondritis (Tietze's syndrome, chondrocostal junction syndrome)	Musculoskeletal/soft tissue	M94.0
Cartilage, disorder NOS	Musculoskeletal/soft tissue	M94.9
Cartilage, relapsing polychondritis	Musculoskeletal/soft tissue	M94.1
Cataract	Eye	H26
Celiac disease (celiac sprue, gluten-enteropathy)	Gastrointestinal Heme/immunology	K90.0
Cellulitis	Infectious disease Skin Infection requiring pathogen	L03
Central nervous system NOS, benign neoplasm	Neuro Neoplastic Neuro neoplasm Benign neoplasm	D33
Central nervous system NOS, primary malignancy	Neuro Neoplastic Neuro neoplasm Primary malignancy	C72.9
Central nervous system, diagnostic imaging, abnormal	Neuro Testing Imaging	R90
Central pontine myelinolysis (CPM)	Respiratory Neuro Misc	G37.2
Cerebral aneurysm, nonruptured	Neuro Aneurysm Cardiovascular	I67.1
Cerebral edema	Neuro	G93.6
Cerebral infarction/stroke due to embolism	Neuro Cerebral Hemorrhage/Stroke Arterial thromboembolism Cardiovascular	I63.4
Cerebral infarction/stroke, NOS	Neuro Cerebral Hemorrhage/Stroke Arterial thromboembolism Cardiovascular	I63.9
Cerebral palsy	Neuro	G80
Cerebral vasospasm	Neuro Cardiovascular	I67.84
Cerebrospinal fluid (CSF) leak	Neuro Iatrogenic	G96.09
Cerebrospinal fluid (CSF) tests, abnormal	Neuro Testing	R83
Cerebrovascular disease, NOS	Atherosclerosis Arterial thromboembolism Venous thromboembolism Cardiovascular	I67.9
Cervix, disorder NOS (noninflammatory, noninfectious)	Misc Reproductive	N88
Cervix, dysplasia	Neoplastic Reproductive Female genital neoplasm	N87
Cervix, inflammatory or infectious disorder	Infectious disease Reproductive Potential infection	N72
Cervix, primary malignancy	Neoplastic Reproductive Female genital neoplasm Primary malignancy	C53
Chagas' disease (due to American trypanosomiasis)	Infectious disease Infection with implied pathogen	B57
Chemical gases or fumes or vapors NOS, poisoning	Poisoning Poisoning by non-pharmaceuticals	T59
Cheyne-stokes respiration (periodic breathing)	Respiratory Symptom/Sign	R06.3
Chlamydia psittici infection	Infectious disease Infection with implied pathogen	A70
Chlamydia trachomatis (bug responsible for regular sexually transmitted chlamydia)	Bacteria Infectious disease Pathogens	A56
Cholangitis	Gastrointestinal Infectious disease Infection requiring pathogen	K83.0
Cholecystitis, NOS	Gastrointestinal	K81.9
Cholecystitis, acute	Gastrointestinal Infectious disease Potential infection	K81.0
Cholecystitis, chronic	Gastrointestinal	K81.1
Cholelithiasis or choledolithiasis (gallstones), NOS	Gastrointestinal	K80.8
Cholelithiasis or choledolithiasis (gallstones), with obstruction of gallbladder or bile duct	Gastrointestinal	K80.81
Cholelithiasis or choledolithiasis (gallstones), without obstruction	Gastrointestinal	K80.80
Cholera (due to Vibrio cholerae)	Gastrointestinal Bacteria Infectious disease Infection with implied pathogen	A00
Chordae tendineae, rupture	Myocardial Infarction Cardiovascular	I51.1
Chromosomal abnormality, NOS	Misc Hereditary/congenital	Q99
Chronic dependence on mechanical ventilator	Respiratory Misc Healthcare contact	Z99.1
Chronic fatigue syndrome	Neuro Misc	F48.0
Chronic kidney disease (chronic renal insufficiency, uremia) Stage 1, GFR GT 90	Renal/urinary Chronic kidney disease	N18.1
Chronic kidney disease (chronic renal insufficiency, uremia) Stage 2, GFR 60-89	Renal/urinary Chronic kidney disease	N18.2
Chronic kidney disease (chronic renal insufficiency, uremia) Stage 3, GFR 30-59	Renal/urinary Chronic kidney disease	N18.3
Chronic kidney disease (chronic renal insufficiency, uremia) Stage 4, GFR 15-29	Renal/urinary Chronic kidney disease	N18.4
Chronic kidney disease (end-stage renal/kidney disease, ESRD), Stage 5, GFR LT 15	Renal/urinary Chronic kidney disease Renal failure	N18.5
Chronic kidney/renal disease, NOS (stage unspecified)	Renal/urinary Chronic kidney disease	N18.9
Chronic lymphocytic leukemia (CLL)	Heme/immunology Neoplastic Leukemia	C91.1
Chronic myeloid leukemia (CML)	Heme/immunology Neoplastic Leukemia	C92.1
Chronic myringitis	Infectious disease ENT Infection requiring pathogen	H73.1
Chronic sinusitis	Respiratory Infectious disease ENT Potential infection Upper respiratory tract infection	J32
Churg-Strauss syndrome (eosinophilic granulomatosis with polyangiitis (EGPA), allergic granulomatous angiitis)	Heme/immunology Allergy Vasculitis ANCA-associated Vasculitis (AAV)	M30.1
Circulatory system NOS, congenital malformation	Reproductive Hereditary/congenital Endocrine disorder	Q28
Citrobacter species	Bacteria Pathogens	U22.12
Clavicle or scapula or humerus, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Upper limb trauma Traumatic fracture	S42
Cleft lip or cleft palate	Musculoskeletal/soft tissue Hereditary/congenital	Q37
Clostridium difficile infection (C. diff)	Gastrointestinal Bacteria Infectious disease Infection with implied pathogen Gastroenteritis Double duty pathogen	A04.7
Clostridium perfringens	Bacteria Pathogens	B96.7
Coagulation defect, NOS	Heme/immunology	D68.9
Coalworker's pneumoconiosis (black lung disease)	Respiratory Pneumoconiosis Inhalation	J60
Coarctation of aorta	Hereditary/congenital Cardiovascular	Q25.1
Cocaine, acute intoxication	Poisoning Psych Acute intoxication Addiction Cocaine related Stimulant related	F14.0
Cocaine, chronic abuse/dependence/addiction	Psych Addiction Cocaine related Stimulant related	F14.2
Cocaine, overdose/toxicity	Poisoning Psych Addiction Cocaine related Stimulant related Overdose	T40.5
Cocaine, withdrawal	Psych Addiction Cocaine related Withdrawal	F14.3
Coccidioides	Infectious disease Pathogens Fungus	B38
Cognitive impairment, NOS	Neuro	R41.88
Colitis or enteritis or gastroenteritis, due to radiation	Gastrointestinal Gastroenteritis Radiation related	K52.0
Colitis, enteritis, enterocolitis, or gastroenteritis, noninfectious NOS	Gastrointestinal Gastroenteritis	K52.9
Collagen-vascular disease, NOS	Heme/immunology Musculoskeletal/soft tissue Hereditary/congenital Rheumatic disease Vasculitis	M35.9
Collagen-vascular overlap syndrome	Musculoskeletal/soft tissue Vasculitis	M35.1
Colon (large intestine) or rectum or anus, benign neoplasm	Gastrointestinal Neoplastic Gastrointestinal neoplasm Benign neoplasm	D12
Colon (large intestine), primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C18
Colon (large intestine), traumatic laceration/rupture	Gastrointestinal Trauma Abdominal trauma	S36.51
Colon (large intestine), wound/injury trauma	Gastrointestinal Trauma Abdominal trauma	S36.59
Colonized with organism (not infected)	Infectious disease Misc Infection requiring pathogen	Z22
Coma NOS	Neuro Misc Symptom/Sign	R40.29
Combined immunodeficiency	Heme/immunology	D81
Common cold (acute nasopharyngitis)	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J00
Common variable immunodeficiency (CVID)	Heme/immunology	D83
Compartment syndrome, abdominal	Musculoskeletal/soft tissue Ischemia	M79.A3
Complication associated with artificial fertilization, NOS	Iatrogenic Reproductive Peripartum Healthcare contact	N98.9
Complication of anesthesia, NOS	Iatrogenic Anesthetic related	T88.5
Complication of labor and delivery, NOS	Reproductive Peripartum	O75
Congestive heart failure with pulmonary edema	Neuro Cardiovascular	I50.1
Congestive heart failure, NOS	Neuro Misc Cardiovascular	I50.0
Conjunctivitis, any type or cause	Eye Misc Potential infection	H10
Connective or soft tissue NOS (external or internal), primary malignancy	Neoplastic Musculoskeletal/soft tissue neoplasm Primary malignancy	C49
Constipation	Gastrointestinal Symptom/Sign	K59.0
Contact dermatitis	Skin Misc	L25
Cor pulmonale (right heart failure due to lung disease without left heart failure)	Respiratory Cardiovascular	I27.81
Coronary artery disease, chronic (atherosclerosis, chronic ischemic heart disease)	Respiratory Atherosclerosis Ischemic heart disease Ischemia Cardiovascular	I25.1
Coronavirus	Pathogens Virus	B97.2
Cosmetic procedure	Misc Healthcare contact	Z41
Cough	Respiratory Symptom/Sign	R05
Cranial nerve, wound/injury/trauma	Trauma Musculoskeletal/soft tissue	S04
Creutzfeldt-Jakob disease	Infectious disease Neuro Infection with implied pathogen	A81.0
Critical illness polyneuropathy (peripheral)	Neuro	G62.81
Crohn's disease (regional enteritis)	Gastrointestinal Inflammatory Bowel Disease	K50
Cryoglobulinemia	Heme/immunology	D89.1
Cryptococcus	Infectious disease Pathogens Fungus	B45
Crystal arthritis/artropathy, NOS	Heme/immunology Musculoskeletal/soft tissue	M11
Cushing's syndrome, NOS	Metabolic/nutrition Hereditary/congenital Endocrine disorder	E24.9
Cushing's syndrome, drug-induced	Metabolic/nutrition Iatrogenic Endocrine disorder	E24.2
Cyanide, poisoning	Poisoning Poisoning by non-pharmaceuticals	T65.0
Cystic fibrosis	Metabolic/nutrition	E84
Cytomegalovirus (CMV)	Infectious disease Pathogens Virus	B25
Decompression sickness (Caisson disease)	Misc Exposure	T70.3
Decubitus (pressure) ulcer, Stage I (surface reddening)	Skin Iatrogenic Musculoskeletal/soft tissue Decubitus ulcer	L89.0
Decubitus (pressure) ulcer, Stage II (to fascia, just under skin)	Skin Iatrogenic Musculoskeletal/soft tissue Decubitus ulcer	L89.1
Decubitus (pressure) ulcer, Stage III (deep, to but not including muscle)	Heme/immunology Iatrogenic Musculoskeletal/soft tissue Decubitus ulcer	L89.2
Decubitus (pressure) ulcer, Stage IV (involves muscle, tendon, or bone)	Skin Iatrogenic Musculoskeletal/soft tissue Decubitus ulcer	L89.3
Decubitus (pressure) ulcer, stage not indicated	Skin Iatrogenic Musculoskeletal/soft tissue Decubitus ulcer	L89.9
Deep venous thrombosis/thrombophlebitis, leg (DVT)	Infectious disease Potential infection Venous thromboembolism Cardiovascular	I80.2
Degenerative nervous system disorder, NOS	Neuro	G31
Dehydration (volume depletion, hypovolemia)	Neuro	E86
Delirium, not due to drugs or alcohol	Neuro Psych Delirium	F05
Delusional disorder	Psych Delirium	F22
Dementia, NOS	Dementia Neuro Psych	F03
Demyelinating disease of central nervous system, NOS	Neuro Misc	G37.9
Dengue fever (due to Dengue virus)	Infectious disease Virus Infection with implied pathogen	A97
Depression (major depressive disorder, recurrent depression)	Psych	F33
Dermatitis, NOS	Heme/immunology Skin	L30
Dermatomyositis/polymyositis	Heme/immunology Musculoskeletal/soft tissue Vasculitis	M33
Dermatophytosis (tineas, cutaneous fungal infection)	Infectious disease Skin Infection requiring pathogen Fungus	B35
Diabetes insipidus (DI), nephrogenic	Renal/urinary Diabetes Endocrine disorder	N25.1
Diabetes insipidus, neurogenic/central (DI)	Neuro Diabetes Endocrine disorder	E23.2
Diabetes mellitus acute complication: Non-ketotic hyperosmolar state	Diabetes Endocrine disorder	U14.68
Diabetes mellitus chronic complication NOS	Diabetes Endocrine disorder	E14.68
Diabetes mellitus chronic complication: Cardiovascular	Diabetes Endocrine disorder Cardiovascular	E14.5
Diabetes mellitus chronic complication: Foot ulcer	Diabetes Musculoskeletal/soft tissue Endocrine disorder	E14.7
Diabetes mellitus chronic complication: Musculoskeletal	Diabetes Musculoskeletal/soft tissue Endocrine disorder	E14.60
Diabetes mellitus chronic complication: Nephropathy	Renal/urinary Diabetes Endocrine disorder	E14.2
Diabetes mellitus chronic complication: Neuropathy	Neuro Diabetes Endocrine disorder	E14.4
Diabetes mellitus chronic complication: Retinopathy	Eye Diabetes Endocrine disorder	E14.3
Diabetes mellitus type 1, with chronic complication (code complications separately)	Metabolic/nutrition Diabetes Endocrine disorder	E10.6
Diabetes mellitus type 1, without chronic complications	Metabolic/nutrition Diabetes Endocrine disorder	E10.9
Diabetes mellitus type 2 without chronic complications	Metabolic/nutrition Diabetes Endocrine disorder	E11.9
Diabetes mellitus type 2, with chronic complication (code complications separately)	Metabolic/nutrition Diabetes Endocrine disorder	E11.6
Diabetes mellitus, gestational	Metabolic/nutrition Peripartum Diabetes Endocrine disorder	O24
Diabetes mellitus, in poor control	Metabolic/nutrition Skin Diabetes Endocrine disorder	E14.64
Diabetes mellitus, type not specified, with chronic complication (code complications separately)	Neuro Diabetes Endocrine disorder	E14.6
Diabetes mellitus, type not specified, without chronic complications	Metabolic/nutrition Diabetes Endocrine disorder	E14.9
Diabetic coma	Neuro Diabetes Endocrine disorder	E14.0
Diabetic ketoacidosis (DKA)	Metabolic/nutrition Diabetes Endocrine disorder	E14.10
Diarrhea, noninfectious NOS	Gastrointestinal	K59.1
Dieulafoy's lesion of stomach or duodenum, with hemorrhage	Gastrointestinal	K31.88
Digestive system NOS, benign neoplasm	Gastrointestinal Neoplastic Gastrointestinal neoplasm Benign neoplasm	D13.9
Digestive system, congenital malformation	Gastrointestinal Hereditary/congenital	Q45
Diptheria (due to Corynebacterium diphtheriae toxin)	Respiratory Infectious disease Infection with implied pathogen	A36
Disease of blood or blood-forming organ, NOS	Heme/immunology	D75
Disorder of amino-acid metabolism, NOS	Metabolic/nutrition	E72.9
Disorder of amniotic fluid and/or membranes, NOS	Reproductive Peripartum	O41
Disorder of anus or rectum, NOS	Gastrointestinal Infectious disease Neoplastic Potential infection	K62.9
Disorder of appendix, NOS	Gastrointestinal	K38
Disorder of artery/arteries, NOS	Arterial thromboembolism Cardiovascular	I77.9
Disorder of autonomic nervous system (autonomic neuropathy, dysautonomia), any type except diabetic	Neuro	G90
Disorder of bilirubin metabolism	Metabolic/nutrition Hereditary/congenital	E80.7
Disorder of capillaries, NOS	Gastrointestinal Cardiovascular	I78.9
Disorder of carbohydrate metabolism	Metabolic/nutrition Hereditary/congenital	E74
Disorder of conjunctiva, NOS	Eye	H11
Disorder of copper metabolism	Metabolic/nutrition Hereditary/congenital	E83.0
Disorder of cranial nerves, NOS	Neuro	G52
Disorder of diaphragm	Gastrointestinal Respiratory Musculoskeletal/soft tissue	J98.6
Disorder of digestive system, NOS	Gastrointestinal	K92.9
Disorder of esophagus, NOS	Gastrointestinal Ischemic gut	K22.9
Disorder of external ear, NOS	ENT	H61
Disorder of eye(s), NOS	Infectious disease Eye Potential infection	H57
Disorder of eyelid	Eye	H02
Disorder of glycoprotein metabolism	Metabolic/nutrition	E77
Disorder of glycosaminoglycan metabolism	Metabolic/nutrition Hereditary/congenital	E76
Disorder of hair or hair follicles, NOS	Skin	L73
Disorder of intestines (small or large intestine), NOS	Gastrointestinal	K63.9
Disorder of iris or ciliary body of eye	Infectious disease Eye Potential infection	H21
Disorder of iron metabolism, NOS	Metabolic/nutrition	E83.19
Disorder of jaws, NOS	Gastrointestinal	K10
Disorder of lacrimal system	Infectious disease Eye Potential infection	H04
Disorder of ligaments	Musculoskeletal/soft tissue	M77.8
Disorder of lipoprotein metabolism NOS	Metabolic/nutrition Hereditary/congenital	E78.9
Disorder of liver, NOS	Gastrointestinal Infectious disease Potential infection Liver disease Ischemic gut	K76.9
Disorder of lung, NOS	Respiratory	J98.4
Disorder of lymph nodes and/or lymph vessels, noninfective NOS	Respiratory Misc Cardiovascular	I89
Disorder of mediastinum, NOS	Respiratory Misc Cardiovascular	J98.59
Disorder of middle ear, NOS	ENT	H74
Disorder of mineral metabolism, NOS	Metabolic/nutrition	E83.9
Disorder of nervous system (any part), NOS	Neuro	G98
Disorder of nose and/or sinuses, infectious or noninfectious NOS	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J34
Disorder of ocular muscles	Eye	H50
Disorder of oral mucosa (mouth, lips, tongue), NOS	Gastrointestinal ENT	K13
Disorder of pericardium, NOS	Cardiovascular	I31.8
Disorder of peritoneum, NOS	Gastrointestinal Infectious disease Potential infection	K66.8
Disorder of puberty	Endocrine disorder	E30
Disorder of pulmonary vessels, NOS	Infectious disease Aneurysm Potential infection Cardiovascular	I28
Disorder of purine and pyrimidine metabolism	Metabolic/nutrition Hereditary/congenital	E79
Disorder of respiratory system, any part, NOS	Respiratory Infectious disease Potential infection	J98.9
Disorder of salivary glands	Gastrointestinal ENT Potential infection	K11
Disorder of skin due to radiation (radiation dermatitis)	Skin Radiation related	L58
Disorder of skin or subcutaneous tissues, NOS	Skin Musculoskeletal/soft tissue	L98.9
Disorder of skin pigmentation	Skin	L81
Disorder of sphingolipid metabolism, and other lipid storage disorders	Metabolic/nutrition Hereditary/congenital	E75
Disorder of spleen, NOS	Gastrointestinal Infectious disease Heme/immunology Potential infection	D73.9
Disorder of stomach or duodenum, NOS	Gastrointestinal Ischemic gut	K31.9
Disorder of teeth and supporting tissues, NOS	Gastrointestinal ENT Misc	K08
Disorder of the cardiovascular/circulatory system, NOS	Infectious disease Potential infection Cardiovascular	I99
Disorder of the cornea	Eye	H18
Disorder of the ear, NOS	ENT	H93.9
Disorder of the immune system, NOS	Heme/immunology	D89.9
Disorder of the inner ear, NOS	Cardiovascular	H83
Disorder of the lens of the eye, NOS	Eye	H27
Disorder of the nails	Skin Misc	L60
Disorder of the newborn originating in perinatal period (applies to baby, not mom)	Hereditary/congenital Cardiovascular	P96
Disorder of the optic nerve or neural visual pathways, NOS	Eye Neuro	H47.7
Disorder of thymus, NOS	Endocrine disorder	E32
Disorder of upper respiratory tract, infectious or noninfectious NOS	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J39.9
Disorder of vein, NOS	Cardiovascular	I87.9
Disorder of vestibular function, NOS	ENT	H81.9
Disorder of white blood cells, NOS	Heme/immunology	D72.9
Disorientation	Neuro Misc Symptom/Sign	R41.0
Disseminated intravascular coagulation (DIC)	Heme/immunology Anemia Thrombocytopenia	D65
Dissociative disorder (conversion disorder)	Psych	F44
Diverticulitis, small or large intestine (diverticular disease with perforation or abscess)	Gastrointestinal Potential infection Intra-abdominal infection	K57.8
Diverticulosis, small or large intestine (diverticular disease without perforation or abscess)	Gastrointestinal Infectious disease Potential infection	K57.9
Dizziness	ENT Neuro Symptom/Sign Cardiovascular	R42
Down syndrome (trisomy 21)	Respiratory Hereditary/congenital	Q90
Drowning or near-drowning	Misc	T75.1
Drug or biological substance/agent NOS, adverse effect	Misc Iatrogenic Allergy Adverse effect	Y57.8
Drug or biological substance/agent NOS, overdose/toxicity	Poisoning Overdose	T50.9
Drug-induced dystonic reaction/dystonia	Neuro	G24.0
Duodenal ulcer with perforation	Gastrointestinal GI ulcer	K26.5
Duodenal ulcer, NOS	Gastrointestinal GI ulcer	K26.9
Duodenal ulcer, with hemorrhage	Gastrointestinal Hemorrhage GI ulcer	K26.4
Duodenitis	Gastrointestinal Infectious disease Potential infection	K29.8
Duodenum, obstruction	Gastrointestinal Misc	K31.5
Dysarthria	Neuro Symptom/Sign	R47.1
Dyslexia	Misc Symptom/Sign	R48.0
Dysphagia	Gastrointestinal Metabolic/nutrition Symptom/Sign	R13
Dyspnea	Misc Symptom/Sign	R06.0
Dysuria (pain with urination)	Renal/urinary Symptom/Sign Pain	R30
Ear or hearing, congenital malformation	ENT Hereditary/congenital	Q17
Ear, foreign body in	Trauma ENT	T16
Eardrum (tympanic membrane), rupture, injury/trauma	Trauma Neuro Head trauma	S09.2
Eating disorder	Gastrointestinal Neuro Psych	F50
Eaton-Lambert syndrome (Lambert-Eaton myasthenic syndrome)	Neuro	G73.1
Eclampsia (seizures must occur)	Reproductive Peripartum Hypertension	O15
Ectopic pregnancy, with or without rupture	Peripartum	O00
Edema, NOS	Metabolic/nutrition Symptom/Sign	R60.9
Edema, generalized NOS (anasarca)	Metabolic/nutrition Misc Symptom/Sign	R60.1
Edema, localized NOS	Misc Symptom/Sign	R60.0
Effects of air or water pressure, NOS	Misc	T70.8
Effusion of the ear	ENT	H92
Elbow or forearm, superficial injury/trauma (minor, contusion)	Trauma Upper limb trauma	S50
Elbow or forearm, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Upper limb trauma	S59
Elbow, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Joint/ligament trauma	S53
Elbow, open wound, injury/trauma	Trauma Skin Upper limb trauma	S51.0
Electrical injury	Burn	T75.4
Electrolyte disorder, NOS	Metabolic/nutrition	E87.8
Emphysema, mediastinal or interstitial	Respiratory	J98.2
Empyema (pyothorax)	Respiratory Infectious disease Misc Infection requiring pathogen Pleural abnormalities	J86
Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, bacterial	Infectious disease Neuro Infection requiring pathogen Encephalitis	G05.0
Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, infectious NOS	Infectious disease Neuro Infection requiring pathogen Encephalitis	G05.2
Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, noninfectious	Heme/immunology Neuro Encephalitis	G04.9
Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, viral	Infectious disease Neuro Infection requiring pathogen Encephalitis	G05.1
Encephalopathy, NOS	Neuro Encephalopathy	G93.4
Encephalopathy, hypertensive	Neuro Encephalopathy Cardiovascular	I67.4
Encephalopathy, septic or metabolic	Metabolic/nutrition Neuro Misc Encephalopathy	G93.80
Encephalopathy, toxic	Neuro Encephalopathy	G92
Endocarditis, infective, acute or subacute	Infectious disease Infection requiring pathogen Cardiovascular	I33.0
Endocarditis, infective, chronic	Heart valve disease Potential infection Cardiovascular	I38
Endocarditis, noninfectious, acute or subacute	Cardiovascular	I33.9
Endocrine disorder, NOS	Metabolic/nutrition Endocrine disorder	E34.9
Endocrine gland NOS, benign neoplasm	Neoplastic Endocrine disorder Endocrine neoplasm Benign neoplasm	D35.9
Endocrine gland NOS, primary malignancy	Neoplastic Endocrine disorder Endocrine neoplasm Primary malignancy	C75.9
Endometriosis (any site)	Reproductive	N80
Endophthalmitis, infectious	Infectious disease Eye Infection requiring pathogen	H44.0
Entamoeba histolytica (amoebic infection of non-intestinal sites)	Infectious disease Pathogens	A06.8
Enterobacter species	Pathogens	U22.13
Enterococcus species	Pathogens	B96.81
Enterovirus - incl coxsackievirus, echovirus	Pathogens Virus	B97.1
Eosinophilia	Heme/immunology	D72.1
Eosinophilic pulmonary disease (pulmonary eosinophilia), NOS	Respiratory	J82
Epididymis, infection (epididymitis)	Infectious disease Reproductive Infection requiring pathogen	N44.90
Epididymitis or orchitis, NOS (unclear which)	Infectious disease Potential infection	N45.92
Epidural hemorrhage, injury/trauma	Trauma Neuro Head trauma	S06.4
Epiglotittis, acute	Infectious disease ENT Potential infection Upper respiratory tract infection	J05.1
Epilepsy, or seizure in patient with known epilepsy, any type incl myoclonic	Neuro	G40
Epistaxis	ENT Symptom/Sign Hemorrhage	R04.0
Erythema multiforme	Infectious disease Skin Misc Potential infection	L51.9
Erythema nodosum	Infectious disease Heme/immunology Skin Misc Potential infection	L52
Escherichia coli (E. coli)	Pathogens	B96.2
Esophageal varices, NOS	Gastrointestinal Cardiovascular	I85
Esophageal varices, with hemorrhage	Gastrointestinal Cardiovascular	I85.0
Esophageal varices, without hemorrhage	Gastrointestinal Cardiovascular	I85.9
Esophagitis, NOS	Gastrointestinal Potential infection	K20
Esophagus, benign neoplasm	Gastrointestinal Neoplastic Gastrointestinal neoplasm Benign neoplasm	D13.0
Esophagus, burn	Gastrointestinal Burn	T28.1
Esophagus, chemical burn	Skin Burn Chemical burn	T28.6
Esophagus, obstruction or compression or stricture or stenosis	Gastrointestinal	K22.2
Esophagus, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C15
Esophagus, wound/injury/trauma	Respiratory Trauma Thoracic trauma Neck trauma	S27.81
Essential (primary) tremor	Neuro	G25.0
Essential thrombocythemia/thrombocytosis	Heme/immunology Neoplastic	D47.3
Eustachian tube disorders	ENT	H69
Eye (globe), wound/injury/trauma	Trauma Eye Head trauma	S05
Eye or related structures, benign neoplasm	Eye Neoplastic Benign neoplasm	D31
Eye, burn or chemical burn	Eye Burn Chemical burn	T26
Eye, congenital malformation	Eye Hereditary/congenital	Q15
Eye, foreign body in	Trauma Eye Head trauma	T15
Eye, primary malignancy	Eye Neoplastic Primary malignancy	C69
Face and/or neck, congenital malformation	ENT Musculoskeletal/soft tissue Hereditary/congenital	Q18
Failed abortion	Reproductive Peripartum Hemorrhage Abortion	O07
Failed/difficult intubation, or complication of intubation	Respiratory Iatrogenic	T88.4
False labor	Reproductive Peripartum	O47
Fasciculations	Neuro Symptom/Sign	R25.3
Fat embolism, traumatic	Trauma Heme/immunology Venous thromboembolism Cardiovascular	T79.1
Fat, benign neoplasm	Skin Neoplastic Benign neoplasm	D17
Fatty liver (hepatosteatosis)	Gastrointestinal Liver disease	K76.0
Fecal impaction	Gastrointestinal	K56.4
Fecal occult blood test, positive	Gastrointestinal Symptom/Sign Testing	R19.50
Female genital prolapse	Reproductive	N81
Female genital tract, fistula (to anywhere)	Fistula Misc Reproductive	N82
Female genitalia (internal or external), congenital malformation	Skin Reproductive Hereditary/congenital	Q52
Female genitalia NOS (internal or external), primary malignancy	Neoplastic Reproductive Female genital neoplasm Primary malignancy	C57
Female genitals, benign neoplasm	Neoplastic Reproductive Endocrine neoplasm Benign neoplasm	D28
Female infertility	Reproductive	N97
Femur or pelvis, nontraumatic fracture NOS	Fracture Musculoskeletal/soft tissue Non-traumatic fracture	M84.45
Femur or pelvis, osteoporosis with new pathologic fracture	Fracture Musculoskeletal/soft tissue Pathologic fracture due to osteoporosis Pathologic fracture Non-traumatic fracture	M80.95
Femur or pelvis, pathologic fracture due to neoplastic disease	Neoplastic Fracture Musculoskeletal/soft tissue Pathologic fracture Pathologic fracture due to neoplasm Non-traumatic fracture Musculoskeletal/soft tissue neoplasm	M90.75
Femur, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Lower limb trauma Traumatic fracture	S72
Fetal alcohol syndrome	Hereditary/congenital	Q86.0
Fever or fever of unknown origin (FUO)	Symptom/Sign	R50.9
Fibromyalgia	Musculoskeletal/soft tissue	M79.7
Fibrothorax	Respiratory Heme/immunology Pleural abnormalities	J94.1
Fistula involving stomach or duodenum	Gastrointestinal Fistula	K31.6
Flail chest, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic fracture Thoracic trauma	S22.5
Fluid overload	Misc	E87.7
Food poisoning (due to foodborne bacterial toxin), NOS	Gastrointestinal Infectious disease Infection requiring pathogen	A05.9
Food, poisoning	Gastrointestinal Poisoning Allergy Poisoning by non-pharmaceuticals	T62.9
Forearm, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation Upper limb trauma	S58
Forearm, blood vessels, wound/injury/trauma	Trauma Neuro Upper limb trauma Vascular trauma	S55
Forearm, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Muscles/tendon trauma	S56
Forearm, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma	S54
Forearm, open wound, injury/trauma	Trauma Skin Musculoskeletal/soft tissue Upper limb trauma	S51.7
Fournier's gangrene	Infectious disease Reproductive Infection requiring pathogen	N49.3
Frostbite	Misc Exposure	T35.7
Fungemia, NOS	Infectious disease Infection requiring pathogen Fungus	B49
Fungus or yeast, NOS	Infectious disease Pathogens Fungus Non-specific pathogens	B48
GI organ NOS, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C26.9
GI tract, NOS, diagnostic imaging, abnormal	Gastrointestinal Testing Musculoskeletal/soft tissue Imaging	R93.3
Gallbladder or bile duct disorder, NOS	Gastrointestinal Infectious disease Potential infection	K82.9
Gallbladder or bile duct obstruction	Gastrointestinal	K82.0
Gallbladder or bile duct perforation or rupture	Gastrointestinal	K82.2
Gallbladder or bile ducts, traumatic laceration/rupture	Gastrointestinal Trauma Abdominal trauma	S36.18
Gallbladder or bile ducts, wound/injury/trauma	Gastrointestinal Trauma Abdominal trauma	S36.19
Gallbladder, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C23
Gangrene, NOS	Respiratory Cardiovascular	R02
Gas gangrene (usually due to Clostridium perfringens)	Infectious disease Skin Musculoskeletal/soft tissue Infection requiring pathogen	A48.0
Gastric ulcer with perforation	Gastrointestinal GI ulcer	K25.5
Gastric ulcer, NOS	Gastrointestinal GI ulcer	K25.9
Gastric ulcer, with hemorrhage	Gastrointestinal Hemorrhage GI ulcer	K25.4
Gastric varices (with or without hemorrhage)	Gastrointestinal	I86.4
Gastritis, NOS	Gastrointestinal	K29.6
Gastritis, alcoholic	Gastrointestinal Alcohol related	K29.2
Gastritis, hemorrhagic	Gastrointestinal Hemorrhage	K29.0
Gastro-esophageal reflux disease (GERD), with or without esophagitis	Gastrointestinal	K21
Gastrointestinal (GI) tract, burn	Gastrointestinal Burn	T28.2
Gastrointestinal (GI) tract, chemical burn	Burn Chemical burn	T28.7
Gastrointestinal (GI) tract, foreign body in	Gastrointestinal Trauma Abdominal trauma	T18
Gastrointestinal hemorrhage (GI bleed), not specified if lower or upper	Gastrointestinal Heme/immunology Hemorrhage	K92.2
Gastrointestinal infection (gastroenteritis, colitis), bacterial, NOS	Gastrointestinal Infectious disease Infection requiring pathogen Gastroenteritis	A04.9
Gastrointestinal infection (gastroenteritis, colitis), bug NOS	Gastrointestinal Infectious disease Infection requiring pathogen Gastroenteritis	A09
Gastrointestinal infection (gastroenteritis, colitis), protozoal, NOS	Gastrointestinal Infectious disease Infection requiring pathogen Gastroenteritis	A07
Gastrointestinal infection (gastroenteritis, colitis), viral	Gastrointestinal Infectious disease Infection requiring pathogen Gastroenteritis	A08
Gastrointestinal system NOS, metastatic malignancy to it (also code primary site)	Gastrointestinal Neoplastic Metastasis Gastrointestinal neoplasm	C78.8
Gastroparesis	Gastrointestinal	K31.84
Gastrostomy, has one	Gastrointestinal Past medical history Ostomy Has one	Z93.1
Genetic susceptibility to malignant neoplasm	Neoplastic Hereditary/congenital	Z15.0
Genitorurinary tract, foreign body in	Trauma Renal/urinary Abdominal trauma	T19
German measles, limited to skin	Infectious disease Skin Infection with implied pathogen	B06.9
Gestational hypertension, without proteinuria	Peripartum Hypertension	O13
Gestational proteinuria, without hypertension	Renal/urinary Peripartum	O12
Giant cell arteritis/temporal arteritis	Vasculitis Cardiovascular	M31.6
Gingivitis and periodontal diseases, acute or chronic	Gastrointestinal ENT	K05
Glaucoma, any type	Eye	H40
Glycosuria	Misc Testing	R81
Goiter without hyperthyroidism (nontoxic goiter)	Endocrine disorder	E04
Goodpasture syndrome (hypersensitivity angiitis)	Respiratory Heme/immunology Renal/urinary Skin Vasculitis	M31.0
Gout	Metabolic/nutrition Musculoskeletal/soft tissue	M10
Graft-versus-host disease/reaction (GVHD)	Heme/immunology Iatrogenic Transplant	T86.001
Great arteries NOS, congenital malformation	Hereditary/congenital Cardiovascular	Q25.9
Guillain-Barre syndrome (Acute inflammatory demyelinating polyneuropathy (AIDP))	Neuro Musculoskeletal/soft tissue Paralysis	G61.0
HELLP syndrome complicating pregnancy (Hemolysis, Elevated Liver enzymes, Low Platelets)	Heme/immunology Peripartum	O14.2
HIV infection, asymptomatic	Infectious disease Heme/immunology Virus Infection with implied pathogen	Z21
Haemophilus influenzae (H. flu)	Pathogens	B96.3
Hairy cell leukemia	Heme/immunology Neoplastic Leukemia	C91.4
Hallucinations	Neuro Symptom/Sign Psych	R44.3
Hallucinogen, acute intoxication	Psych Acute intoxication Hallucinogen related	F16.0
Hallucinogen, adverse effect	Poisoning Iatrogenic Hallucinogen related Allergy Adverse effect	Y49.6
Hallucinogen, chronic abuse/dependence/addiction	Psych Addiction Hallucinogen related	F16.2
Hallucinogen, overdose/toxicity	Poisoning Hallucinogen related Overdose	T40.9
Hallucinogen, withdrawal	Psych Withdrawal Hallucinogen related	F16.3
Hantavirus infection	Respiratory Infectious disease Renal/urinary Virus Infection with implied pathogen	B33.4
Head NOS, wound/injury/trauma	Trauma ENT Head trauma	S09.9
Head and neck and face, primary malignancy	Neoplastic Endocrine disorder Primary malignancy	C76.0
Head bones NOS, fracture, injury/trauma	Trauma ENT Fracture Musculoskeletal/soft tissue Traumatic fracture Head trauma	S02.9
Head, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Joint/ligament trauma Head trauma	S03
Head, open wound, injury/trauma	Trauma Skin Head trauma	S01
Head, superficial injury/trauma (minor, contusion)	Trauma Skin Head trauma	S00
Headache NOS	Misc Symptom/Sign	R51
Headache syndrome, NOS	Neuro	G44.8
Headache, cluster	Neuro Misc	G44.0
Headache, migraine	Neuro	G43
Hearing loss, any type	ENT	H91
Heart NOS, congenital malformation	Hereditary/congenital Cardiovascular	Q24
Heart and/or coronary arteries, diagnostic imaging, abnormal	Testing Imaging Cardiovascular	R93.1
Heart assist device, has one	Past medical history Cardiovascular Has one	Z95.811
Heart disease, hypertensive (hypertensive cardiomyopathy)	Cardiovascular	I11
Heart disorder, NOS	Cardiovascular	I51.9
Heart failure, NOS	Neuro Cardiovascular	I50.9
Heart transplant, failure or rejection or unspecified complication	Iatrogenic Transplant Cardiovascular	T86.2
Heart, benign neoplasm	Neoplastic Cardiovascular Benign neoplasm	D15.1
Heart, primary malignancy	Neoplastic Cardiovascular Primary malignancy	C38.0
Heart, wound/injury/trauma	Trauma Thoracic trauma Cardiovascular	S26
Heart-lung transplant, failure or rejection or unspecified complication	Respiratory Iatrogenic Transplant Cardiovascular	T86.3
Heartburn	Gastrointestinal Symptom/Sign	R12
Heatstroke or sunstroke	Misc Exposure	T67.0
Helicobacter pylori (H. pylori)	Bacteria Pathogens Infection with implied pathogen Double duty pathogen	B96.80
Helminthic (parasitic worm) infection, any organ(s)	Gastrointestinal Infectious disease Infection with implied pathogen	B82
Hemangioma or lymphangioma, benign neoplasm, any site	Skin Neoplastic Benign neoplasm	D18
Hemarthrosis, any joint	Heme/immunology Musculoskeletal/soft tissue Hemorrhage	M25.0
Hematemesis	Gastrointestinal Symptom/Sign Hemorrhage	K92.0
Hematuria	Renal/urinary Symptom/Sign Hemorrhage	R31
Hemiplegia (paralysis of one side)	Neuro Paralysis	G81
Hemochromatosis	Metabolic/nutrition Hereditary/congenital	E83.10
Hemoglobinopathy, hereditary, NOS	Heme/immunology Hereditary/congenital Anemia	D58
Hemoglobinuria	Renal/urinary Symptom/Sign Testing	R82.3
Hemolytic anemia, acquired, NOS	Heme/immunology Anemia	D59.9
Hemolytic-uremic syndrome (HUS)	Heme/immunology Renal/urinary Anemia	D59.3
Hemopericardium	Hemorrhage Cardiovascular	I31.2
Hemoperitoneum	Gastrointestinal Hemorrhage	K66.1
Hemoptysis	Respiratory Symptom/Sign	R04.2
Hemorrhage in early pregnancy, NOS	Misc Reproductive Peripartum Hemorrhage	O20.9
Hemorrhage in pregnancy (antepartum, prepartum, before childbirth)	Reproductive Peripartum Hemorrhage	O46
Hemorrhage, NOS	Heme/immunology Symptom/Sign Hemorrhage Cardiovascular	R58
Hemorrhage, due to anticoagulant or thrombolytic drug	Heme/immunology Iatrogenic Hemorrhage	D68.3
Hemorrhage, intracerebral/intracranial, nontraumatic (ICH, hemorrhagic stroke)	Neuro Cerebral Hemorrhage/Stroke Hemorrhage Cardiovascular	I61
Hemorrhage, respiratory sites, NOS	Respiratory Misc Symptom/Sign Hemorrhage	R04.9
Hemorrhage, retinal	Eye Hemorrhage	H35.6
Hemorrhage, subarachnoid or ruptured cerebral aneurysm	Neuro Cerebral Hemorrhage/Stroke Aneurysm Hemorrhage Cardiovascular	I60
Hemorrhoids (internal or external)	Gastrointestinal	I84
Hemothorax or hemopneumothorax, nontraumatic	Respiratory Pleural abnormalities Pneumothorax	J94.2
Hemothorax, traumatic	Respiratory Trauma Pleural abnormalities Thoracic trauma Pneumothorax Cardiovascular	S27.1
Henoch-Schoenlein purpura	Heme/immunology Renal/urinary Skin Vasculitis	D69.0
Heparin-induced thrombocytopenia (HIT)	Heme/immunology Iatrogenic Thrombocytopenia	D75.82
Hepatitis A, acute	Gastrointestinal Infectious disease Hepatitis Infection with implied pathogen	B15
Hepatitis B, acute	Gastrointestinal Infectious disease Hepatitis Infection with implied pathogen	B16
Hepatitis B, chronic	Gastrointestinal Infectious disease Hepatitis Infection with implied pathogen	B18.1
Hepatitis C, acute	Gastrointestinal Infectious disease Hepatitis Infection with implied pathogen	B17.1
Hepatitis C, chronic	Gastrointestinal Infectious disease Hepatitis Infection with implied pathogen	B18.2
Hepatitis, alcoholic	Gastrointestinal Hepatitis Liver disease	K70.1
Hepatitis, autoimmune	Gastrointestinal Hepatitis Liver disease	K75.4
Hepatomegaly	Gastrointestinal Infectious disease Metabolic/nutrition Symptom/Sign Potential infection	R16.0
Hepatopulmonary syndrome, NOS	Gastrointestinal Respiratory Cirrhosis Liver disease	K76.81
Hepatorenal syndrome	Gastrointestinal Renal/urinary Liver disease	K76.7
Hereditary coagulation factor IX deficiency (Christmas disease, hemophilia B)	Heme/immunology Hereditary/congenital Hemophilia	D67
Hereditary coagulation factor VIII deficiency (classic hemophilia A)	Heme/immunology Hereditary/congenital Hemophilia	D66
Hereditary deficiency of clotting factor, NOS	Heme/immunology Hereditary/congenital	D68.2
Hermaphroditism, pseudohermaphroditism	Reproductive Hereditary/congenital	Q56
Herpes simplex virus (HSV)	Pathogens Virus	B00
Hiatus (diaphragmatic) hernia	Gastrointestinal Hernia	K44
Hiccoughs	Respiratory Symptom/Sign	R06.6
High blood pressure reading	Respiratory Symptom/Sign Hypertension	R03
Hip or thigh, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation Lower limb trauma	S78
Hip or thigh, blood vessels, wound/injury/trauma	Trauma Lower limb trauma Vascular trauma	S75
Hip or thigh, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Muscles/tendon trauma	S76
Hip or thigh, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma	S74
Hip or thigh, open wound, injury/trauma	Trauma Skin Musculoskeletal/soft tissue	S71
Hip or thigh, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue	S70
Hip or thigh, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Lower limb trauma	S79
Hip, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Joint/ligament trauma	S73
Histoplasma	Infectious disease Pathogens Fungus	B39
Hodgkin's lymphoma (Hodgkin's disease)	Lymphoma Heme/immunology Neoplastic	C81
Hormone or hormone agonist NOS, overdose/toxicity	Poisoning Iatrogenic Overdose	T38.8
Hormone or hormone agonist drug, adverse effect	Heme/immunology Iatrogenic Allergy Adverse effect	Y42.8
Huntington's disease/chorea	Neuro Hereditary/congenital	G10
Hydrocele or spermatocele	Reproductive	N43
Hydrocephalus, NOS	Neuro	G91.9
Hyperadrenal state, NOS	Endocrine disorder	E27.5
Hyperaldosteronism	Metabolic/nutrition Endocrine disorder	E26
Hypercalcemia, severe or symptomatic	Metabolic/nutrition Neoplastic	E83.52
Hypercapnia (hypercarbia)	Respiratory Symptom/Sign	R06.89
Hypercoagulability due to Lupus anticoagulant, anticardiolipin syndrome, antiphospholipid syndrome	Heme/immunology	D68.6
Hyperemesis gravidarum (excessive vomiting in pregnancy)	Gastrointestinal Reproductive Peripartum	O21
Hypergammaglobulinemia	Heme/immunology	D89.2
Hyperglycemia	Metabolic/nutrition Misc Symptom/Sign Testing Endocrine disorder	R73
Hyperkalemia, severe or symptomatic	Metabolic/nutrition Renal/urinary	E87.5
Hyperlipidemia, any type	Metabolic/nutrition Cardiovascular	E78.5
Hypermagnesemia, severe or symptomatic	Metabolic/nutrition Misc	E83.41
Hypernatremia / hyperosmolarity, severe or symptomatic	Neuro	E87.0
Hyperparathyroidism	Endocrine disorder	E21.3
Hyperphosphatemia, hypophosphotemia or other disorder of phosphate metabolism, severe or symptomatic	Gastrointestinal Respiratory Metabolic/nutrition Hereditary/congenital	E83.3
Hyperpituitarism	Endocrine disorder	E22.9
Hypersensitivity pneumonitis (extrinsic allergic alveoliltis), NOS	Respiratory Allergy Inhalation	J67.99
Hypersplenism	Gastrointestinal Heme/immunology	D73.1
Hypertension, essential (primary)	Hypertension Cardiovascular	I10
Hypertension, malignant	Hypertension Cardiovascular	I10.1
Hypertension, postoperative/post-procedural	Misc Hypertension Cardiovascular	I97.3
Hypertension, renovascular	Hypertension Cardiovascular	I15.0
Hypertension, secondary, NOS	Hypertension Cardiovascular	I15.8
Hyperthyroidism (with or without goiter)	Endocrine disorder	E05.9
Hypervitamin disorder (vitamin excess, any)	Metabolic/nutrition	E67
Hypoalbuminemia, severe	Testing	R77.0
Hypocalcemia, severe or symptomatic	Respiratory Hereditary/congenital	E83.51
Hypoglycemia	Metabolic/nutrition Endocrine disorder	E16.2
Hypoglycemia, in diabetes	Diabetes Musculoskeletal/soft tissue Endocrine disorder	E14.63
Hypokalemia, severe or symptomatic	Metabolic/nutrition	E87.6
Hypomagnesemia, severe or symptomatic	Metabolic/nutrition Misc Cardiovascular	E83.42
Hyponatremia / hypoosmolarity, severe or symptomatic	Neuro	E87.1
Hypoparathyroidism	Metabolic/nutrition Endocrine disorder	E20
Hypopituitarism (pituitary insufficiency), NOS	Neuro Endocrine disorder	E23.0
Hyposplenism	Heme/immunology	D73.0
Hypotension, NOS	Misc Hypotension Cardiovascular	I95.9
Hypotension, drug-induced	Misc Iatrogenic Hypotension Cardiovascular	I95.2
Hypotension, orthostatic	Misc Hypotension Cardiovascular	I95.1
Hypothermia, due to exposure/low environmental temperature	Misc Exposure	T68
Hypothermia, not due to low environmental temperature/exposure	Metabolic/nutrition Symptom/Sign Endocrine disorder	R68.0
Hypothyroidism	Endocrine disorder	E03
Hypoxemia (hypoxia)	Respiratory Heme/immunology Symptom/Sign	R09.02
Iatrogenic problem NOS, related to a surgery or procedure, NOS	Misc Iatrogenic	T81.8
Iatrogenic, air embolism, as complication of line/infusion/transfusion/injection	Iatrogenic Venous thromboembolism Cardiovascular	T80.0
Iatrogenic, complication NOS, cardiac or vascular prosthetic device or implant or graft	Iatrogenic Cardiovascular	T82.9
Iatrogenic, complication of medical or surgical care NOS	Iatrogenic Adverse effect Overdose	T88.9
Iatrogenic, dehiscence or rupture or disruption, surgical wound NOS	Skin Misc Iatrogenic Musculoskeletal/soft tissue	T81.3
Iatrogenic, hemorrhage or hematoma, related to a procedure or surgery NOS	Misc Iatrogenic Symptom/Sign Hemorrhage	T81.0
Iatrogenic, hypotension/shock, postoperative/post-procedural	Misc Iatrogenic Hypotension Cardiovascular Shock	T81.1
Iatrogenic, infection, cardiac or vascular prosthetic device or implant or graft NOS	Infectious disease Misc Iatrogenic Infection requiring pathogen Iatrogenic infection Cardiovascular	T82.7
Iatrogenic, infection, central venous catheter-related bloodstream infection (CVC-BSI, CLI)	Infectious disease Misc Iatrogenic Infection requiring pathogen Iatrogenic infection	T82.70
Iatrogenic, infection, following a procedure or surgery, NOS	Infectious disease Misc Iatrogenic Infection requiring pathogen Iatrogenic infection	T81.4
Iatrogenic, infection, heart valve prosthesis (incl prosthetic valve endocarditis)	Infectious disease Misc Iatrogenic Heart valve disease Infection requiring pathogen Iatrogenic infection Cardiovascular	T82.6
Iatrogenic, infection, internal orthopedic prosthetic device or implant or graft or bone device	Infectious disease Misc Iatrogenic Musculoskeletal/soft tissue Infection requiring pathogen Iatrogenic infection	T84.7
Iatrogenic, infection, internal prosthetic device or implant or graft NOS	Infectious disease Misc Iatrogenic Musculoskeletal/soft tissue Infection requiring pathogen Iatrogenic infection	T85.7
Iatrogenic, infection, related to vascular access other than central line	Infectious disease Misc Iatrogenic Infection requiring pathogen Iatrogenic infection Cardiovascular	T80.2
Iatrogenic, infection, urinary catheter	Infectious disease Renal/urinary Iatrogenic Infection requiring pathogen Iatrogenic infection Urinary tract infection	T83.5
Iatrogenic, malignant hyperthermia, due to anesthesia	Iatrogenic Anesthetic related	T88.3
Iatrogenic, mechanical complication/dysfunction, cardiac electronic device	Misc Iatrogenic Iatrogenic mechanism Cardiovascular	T82.1
Iatrogenic, mechanical complication/dysfunction, cardiac or vascular prosthetic device or implant or graft, NOS	Misc Iatrogenic Iatrogenic mechanism Cardiovascular	T82.5
Iatrogenic, mechanical complication/dysfunction, dialysis catheter	Misc Iatrogenic Iatrogenic mechanism Cardiovascular	T82.4
Iatrogenic, mechanical complication/dysfunction, heart valve prosthesis	Iatrogenic Heart valve disease Iatrogenic mechanism Cardiovascular	T82.0
Iatrogenic, mechanical complication/dysfunction, internal orthopedic prosthetic device or implant or graft or bone device	Misc Iatrogenic Musculoskeletal/soft tissue Iatrogenic mechanism	T84.3
Iatrogenic, mechanical complication/dysfunction, internal prosthetic device or implant or graft NOS	Misc Iatrogenic Iatrogenic mechanism	T85.6
Iatrogenic, mechanical complication/dysfunction, urinary catheter	Renal/urinary Misc Iatrogenic Iatrogenic mechanism	T83.0
Iatrogenic, puncture or laceration, related to a procedure or surgery NOS	Misc Iatrogenic Iatrogenic mechanism	T81.2
Iatrogenic, thromboembolism, as complication of line/infusion/transfusion/injection	Misc Iatrogenic Venous thromboembolism	T80.1
Iatrogenic, transfusion reaction (incompatibility reaction) (any type)	Heme/immunology Misc Iatrogenic	T80.9
Idiopathic interstitial pulmonary fibrosis	Respiratory	J84.1
Idiopathic thrombocytopenic purpura (ITP)	Heme/immunology Thrombocytopenia	D69.3
Ileostomy or colostomy, has one	Gastrointestinal Ostomy	Z93.4
Ileus	Gastrointestinal	K56.0
Illicit drug use	Misc Healthcare contact	Z72.2
Immune reconstitution syndrome	Heme/immunology	D89.3
Immunodeficiency due to antibody deficiency or defect, hereditary or acquired	Heme/immunology	D80
Immunodeficiency state, NOS	Heme/immunology	D84
Impetigo	Infectious disease Skin Infection requiring pathogen	L01
Infection of skin or subcutaneous (soft) tissue, NOS	Infectious disease Skin Infection requiring pathogen	L08
Infectious contact/exposure, HIV, without disease (yet)	Infectious disease Heme/immunology Virus Infection with implied pathogen	Z20.6
Infectious contact/exposure, rabies, without disease (yet)	Infectious disease Healthcare contact Virus Infection with implied pathogen	Z20.3
Infectious contact/exposure, tuberculosis, without disease (yet)	Infectious disease Healthcare contact Tuberculosis Infection with implied pathogen	Z20.1
Infectious disease NOS	Infectious disease Infection requiring pathogen	B99
Infectious mononucleosis (usually due to Epstein-Barr virus)	Infectious disease Heme/immunology Virus Infection requiring pathogen Upper respiratory tract infection	B27
Infectious organism, unknown	Infectious disease Pathogens Non-specific pathogens	U22.9
Inferior vena cava (IVC), injury/trauma	Trauma Abdominal trauma Cardiovascular	S35.1
Infestation, NOS	Infectious disease Misc Infection with implied pathogen	B88
Inflammatory/immune arthritis, NOS	Musculoskeletal/soft tissue Rheumatic disease	M06.4
Influenza pneumonia	Respiratory Influenza Infectious disease Infection with implied pathogen Pneumonia	J11.0
Influenza virus NOS -- should almost never be used	Influenza Pathogens Virus	J11
Influenza with nonrespiratory manifestations	Influenza Infectious disease Infection with implied pathogen	J11.8
Influenza without pneumonia but with other respiratory manifestations	Respiratory Influenza Infectious disease Virus Infection with implied pathogen	J11.1
Inguinal hernia	Gastrointestinal Hernia	K40
Insulin or antidiabetic drug, adverse effect	Heme/immunology Iatrogenic Diabetes Allergy Endocrine disorder Adverse effect	Y42.3
Insulin or other antidiabetes drug, overdose/toxicity	Poisoning Diabetes Overdose	T38.3
Internal female reproductive organs and adnexa NOS, inflammatory or infectious disorder	Infectious disease Reproductive Potential infection Intra-abdominal infection	N73
Internal organ NOS, burn	Misc Burn	T28.4
Internal organ NOS, chemical burn	Burn Chemical burn	T28.8
Interstitial lung disease, NOS	Respiratory Infectious disease Potential infection	J84.9
Interstitial lung disease, drug-induced (acute or chronic)	Respiratory	J70.4
Intervertebral disc disorder, NOS	Musculoskeletal/soft tissue Spine	M51
Intervertebral disc, infection (infective discitis)	Infectious disease Musculoskeletal/soft tissue Spine Infection requiring pathogen	M46.3
Intestinal adhesion(s) with obstruction	Gastrointestinal	K56.5
Intestinal adhesion(s) without obstruction	Gastrointestinal	K66.0
Intestinal fistula	Gastrointestinal Fistula	K63.2
Intestinal malabsorption, NOS	Gastrointestinal Hereditary/congenital	K90.9
Intestinal obstruction, NOS (small or large bowel)	Gastrointestinal	K56.6
Intestinal perforation, nontraumatic	Gastrointestinal	K63.1
Intestinal polyp(s)	Gastrointestinal	K63.5
Intestinal ulcer	Gastrointestinal	K63.3
Intra-abdominal organ NOS, wound/injury/trauma NOS	Gastrointestinal Trauma Abdominal trauma	S36.99
Intracardiac (mural) thrombosis, not related to MI	Arterial thromboembolism Cardiovascular	I51.3
Intracranial abscess	Infectious disease Neuro Misc Potential infection	G06.0
Intracranial hemorrhage, injury/trauma	Trauma Neuro Cerebral Hemorrhage/Stroke Hemorrhage Head trauma Cardiovascular	S06.8
Intracranial or intraspinous veins or venous sinuses, septic thromboembolism	Neuro Venous thromboembolism Cardiovascular	G08
Intraspinal abscess	Infectious disease Neuro Potential infection	G06.1
Intrathoracic organ/structure NOS, wound/injury/laceration	Gastrointestinal Trauma Thoracic trauma	S27.9
Intrathoracic structures NOS, benign neoplasm	Neoplastic Benign neoplasm	D15.9
Intussusception	Gastrointestinal	K56.1
Involuntary movements, NOS	Neuro Symptom/Sign	R25.8
Irritable bowel syndrome	Gastrointestinal	K58
Ischemic heart disease, acute NOS	Respiratory Ischemic heart disease Ischemia Cardiovascular	I24.9
Jaundice	Gastrointestinal Symptom/Sign Liver disease	R17
Joint NOS, ankylosis	Musculoskeletal/soft tissue Spine	M24.6
Joint NOS, nontraumatic cartilage disorder NOS	Heme/immunology Musculoskeletal/soft tissue	M24.1
Joint NOS, nontraumatic dislocation/subluxation	Heme/immunology Musculoskeletal/soft tissue	M24.3
Joint NOS, nontraumatic tear or disruption of ligament(s)	Heme/immunology Musculoskeletal/soft tissue	M24.2
Joint disorder, nontraumatic NOS	Musculoskeletal/soft tissue	M25.9
Joint effusion, any joint	Musculoskeletal/soft tissue	M25.4
Kaposi's sarcoma	Neoplastic Skin neoplasm	C46
Kawasaki disease (mucocutaneous lymph node syndrome)	Heme/immunology Skin Vasculitis Cardiovascular	M30.3
Kidney disease, hypertensive	Renal/urinary Cardiovascular	I12
Kidney infection, acute (pyelonephritis)	Infectious disease Renal/urinary Infection requiring pathogen Urinary tract infection	N10
Kidney infection, chronic (pyelonephritis)	Infectious disease Renal/urinary Infection requiring pathogen Urinary tract infection	N11
Kidney or ureter or bladder or urethra, benign neoplasm	Renal/urinary Neoplastic Renal/Urinary neoplasm Benign neoplasm	D30
Kidney or ureter, disorder NOS	Infectious disease Renal/urinary Potential infection	N28.9
Kidney transplant, failure or rejection or unspecified complication	Renal/urinary Misc Transplant	T86.1
Kidney, acute renal failure NOS	Renal/urinary Renal failure	N17.9
Kidney, acute renal failure, postprocedural	Metabolic/nutrition Renal/urinary Renal failure	N99.0
Kidney, acute tubular necrosis (ATN)	Renal/urinary Renal failure	N17.0
Kidney, hydronephrosis	Renal/urinary	N13.3
Kidney, infarction or ischemia	Renal/urinary Ischemia Arterial thromboembolism Cardiovascular	N28.0
Kidney, nephropathy, drug or toxin induced	Renal/urinary	N14
Kidney, obstructive or reflux nephropathy/uropathy	Renal/urinary	N13.9
Kidney, primary malignancy	Renal/urinary Neoplastic Renal/Urinary neoplasm Primary malignancy	C64
Kidney, renal abscess or perinephric abscess	Renal/urinary Infection requiring pathogen	N15.1
Kidney, renal cyst	Renal/urinary	N28.1
Kidney, renal failure/insufficiency/uremia, unspecified as acute or chronic	Renal/urinary Chronic kidney disease Renal failure	N19
Kidney, renal osteodystrophy	Renal/urinary Musculoskeletal/soft tissue	N25.0
Kidney, renal tubular acidosis (RTA, all types)	Renal/urinary	N25.8
Kidney, renal tubular disorder, NOS	Renal/urinary Neuro	N25.9
Kidney, small kidney (atrophy, one or both) of unknown cause	Renal/urinary	N27.9
Kidney, tubulo-interstitial nephritis/disease	Renal/urinary	N12
Kidney, vesicoureteral reflux nephropathy/uropathy	Renal/urinary	N13.7
Kidney, wound/injury/trauma	Trauma Renal/urinary Abdominal trauma	S37.0
Klebsiella species	Pathogens	B96.1
Knee or lower leg, blood vessels, wound/injury/trauma	Trauma Neuro Lower limb trauma Vascular trauma	S85
Knee or lower leg, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Muscles/tendon trauma	S86
Knee or lower leg, open wound, injury/trauma	Trauma Skin Musculoskeletal/soft tissue Lower limb trauma	S81
Knee or lower leg, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue Lower limb trauma	S80
Knee or lower leg, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Lower limb trauma	S89
Knee, joint or ligaments or cartilage, dislocation/sprain/strain/tear, injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Joint/ligament trauma	S83
Knee, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma	S84
Knee, nontraumatic disorder knee, NOS	Musculoskeletal/soft tissue	M23.9
Knee, nontraumatic disorder of meniscus/cartilage	Musculoskeletal/soft tissue	M23.3
Knee, nontraumatic tear or disruption of ligament(s)	Musculoskeletal/soft tissue	M23.6
Labor and delivery with fetal distress	Reproductive Peripartum	O68
Labor/delivery complicated by hemorrhage, NOS	Reproductive Peripartum	O67
Lactose deficiency/intolerance	Metabolic/nutrition Hereditary/congenital	E73
Laryngeal (larynx, vocal cord), edema	Respiratory	J38.4
Laryngeal (larynx, vocal cord), spasm	Respiratory	J38.5
Laryngitis or tracheitis, acute	Infectious disease ENT Potential infection Upper respiratory tract infection	J04
Laryngitis or tracheitis, chronic	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J37
Larynx, benign neoplasm	Respiratory Neoplastic Respiratory neoplasm Benign neoplasm	D14.1
Larynx, primary malignancy	ENT Neoplastic Respiratory neoplasm Primary malignancy	C32
Left bundle branch block	Cardiovascular	I44.7
Legionella	Bacteria Infectious disease Pathogens	A48.1
Leprosy (due to Mycobacterium leprae) (Hansen's disease)	Infectious disease Neuro Musculoskeletal/soft tissue Infection with implied pathogen	A30
Leukemia, NOS	Heme/immunology Neoplastic Leukemia	C95.0
Leukemoid reaction or nonspecific leukocytosis	Heme/immunology	D72.8
Lightning injury	Potential trauma	T75.0
Limb ischemia (upper or lower)	Ischemia Cardiovascular	I99.8
Lip or mouth or tonsils or pharynx, primary malignancy	Gastrointestinal ENT Neoplastic Primary malignancy	C14
Listeria	Bacteria Pathogens	A32
Liver abscess	Gastrointestinal Infectious disease Infection requiring pathogen Liver disease	K75.0
Liver cirrhosis, NOS	Gastrointestinal Cirrhosis Liver disease	K74.5
Liver cirrhosis, alcoholic	Gastrointestinal Alcohol related Cirrhosis Liver disease	K70.3
Liver disease without liver failure due to toxin/drug	Gastrointestinal Liver disease	K71.9
Liver disease without liver failure, alcoholic	Gastrointestinal Alcohol related Liver disease	K70.9
Liver disease/hepatitis, chronic NOS	Gastrointestinal Hepatitis Liver disease	K73
Liver enzymes, elevated (liver function tests)	Testing Liver disease	R74.0
Liver failure due to toxin/drug NOS, w/wo hepatic encephalopathy	Gastrointestinal Neuro Encephalopathy Liver failure Liver disease	K71.1
Liver failure w/wo hepatic encephalopathy, acute or subacute NOS	Gastrointestinal Neuro Encephalopathy Liver failure Liver disease	K72.0
Liver failure w/wo hepatic encephalopathy, chronic NOS	Gastrointestinal Neuro Encephalopathy Liver failure Liver disease	K72.1
Liver failure w/wo hepatic encephalopathy, not specified as acute or chronic	Gastrointestinal Neuro Encephalopathy Liver failure Liver disease	K72.9
Liver failure, alcoholic, w/wo hepatic encephalopathy	Gastrointestinal Neuro Alcohol related Encephalopathy Liver failure Liver disease	K70.4
Liver or biliary system, benign neoplasm	Gastrointestinal Neoplastic Gastrointestinal neoplasm Benign neoplasm	D13.4
Liver or biliary system, metastatic malignancy to it (also code primary site)	Gastrointestinal Neoplastic Metastasis Gastrointestinal neoplasm	C78.7
Liver transplant, failure or rejection or unspecified complication	Gastrointestinal Iatrogenic Transplant Liver disease	T86.4
Liver, biliary system, diagnostic imaging, abnormal	Gastrointestinal Testing Imaging Liver disease	R93.2
Liver, chronic passive congestion, due to CHF	Gastrointestinal Liver disease Cardiovascular	K76.1
Liver, nonalcoholic steatohepatosis (NASH)	Gastrointestinal Liver disease	K75.8
Liver, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C22
Liver, wound/injury/trauma	Gastrointestinal Trauma Abdominal trauma Liver disease	S36.15
Locked-in state	Neuro	G83.5
Lower leg, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation	S88
Lower leg, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Lower limb trauma Traumatic fracture	S82
Lower limb (leg) bones, level not specified/NOS, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Lower limb trauma Traumatic fracture	T12
Lower limb (leg), level not specified/NOS, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation	T13.6
Lower limb (leg), level not specified/NOS, blood vessels, wound/injury/trauma	Trauma Lower limb trauma Vascular trauma	T13.4
Lower limb (leg), level not specified/NOS, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Joint/ligament trauma	T13.2
Lower limb (leg), level not specified/NOS, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma Muscles/tendon trauma	T13.5
Lower limb (leg), level not specified/NOS, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Lower limb trauma	T13.3
Lower limb (leg), level not specified/NOS, open wound, injury trauma	Trauma Skin Lower limb trauma	T13.1
Lower limb (leg), level not specified/NOS, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue Lower limb trauma	T13.0
Lower limb (leg), level not specified/NOS, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Lower limb trauma	T13.9
Lower respiratory tract infection, acute infectious	Respiratory Infectious disease Infection requiring pathogen Lower respiratory tract infection	J22
Lumbar spine or pelvis, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Spine Abdominal trauma Joint/ligament trauma	S33
Lung NOS, wound/injury/trauma	Respiratory Trauma Thoracic trauma	S27.3
Lung abscess	Respiratory Infectious disease Potential infection Pneumonia	J85
Lung and/or bronchus, primary malignancy	Respiratory Neoplastic Respiratory neoplasm Primary malignancy	C34
Lung collapse (whole lung)	Respiratory	J98.18
Lung or bronchi, benign neoplasm	Respiratory Neoplastic Respiratory neoplasm Benign neoplasm	D14.3
Lung transplant, failure or rejection or unspecified complication	Iatrogenic Transplant Cardiovascular	T86.80
Lung, diagnostic imaging, abnormal	Respiratory Testing Imaging	R91
Lung, function test, abnormal (Pulmonary function test, PFT)	Respiratory Testing	R94.2
Lung, metastatic malignancy to it (also code primary site)	Neoplastic Metastasis Respiratory neoplasm	C78.0
Lyme disease OR for buglist Borrelia burgdorferi or B. mayonii	Infectious disease Pathogens Infection with implied pathogen Double duty pathogen	A69.2
Lyme meningitis (due to Borrelia burgdorferi or Borrelia mayonii)	Infectious disease Neuro Infection with implied pathogen Meningitis	A69.21
Lymph nodes, benign neoplasm	Heme/immunology Neoplastic Benign neoplasm	D36.0
Lymph nodes, metastatic malignancy to them (also code primary site)	Neoplastic Metastasis	C77
Lymphadenopathy, NOS	Metabolic/nutrition Symptom/Sign Cardiovascular	R59
Lymphangitis	Infectious disease Potential infection Cardiovascular	I89.1
Lymphedema	Hereditary/congenital Cardiovascular	I89.0
Lymphoid leukemia, NOS	Heme/immunology Neoplastic Leukemia	C91.7
Lymphoma, NOS	Lymphoma Heme/immunology Neoplastic	C85.8
Macular degeneration	Eye	H35.3
Malaria (due to Plasmodia, any type)	Infectious disease Infection with implied pathogen	B53
Male erectile dysfunction	Reproductive	N48.4
Male genital organs NOS, congenital malformation	Reproductive Hereditary/congenital	Q55
Male genital organs, disorder NOS	Infectious disease Reproductive Potential infection	N50
Male genitalia NOS (internal or external), primary malignancy	Neoplastic Reproductive Male genital neoplasm Primary malignancy	C63
Male genitals, benign neoplasm	Neoplastic Reproductive Endocrine neoplasm Benign neoplasm	D29
Male infertility	Reproductive	N46
Malformation/disorder NOS, congenital	Misc Hereditary/congenital	Q89
Malformation/dysmorphism due to substances taken by mother, NOS, congenital (applies to baby, not mom)	Hereditary/congenital	Q86.8
Malignancy (clonal disorder) of blood or lymphoid tissue, NOS	Heme/immunology Neoplastic	C96
Malignant carcinoid tumor	Neoplastic	C7A.0
Malignant immunoproliferative disease	Heme/immunology Neoplastic	C88
Mallory-Weiss tear/syndrome, with or without hemorrhage	Gastrointestinal Hemorrhage	K22.6
Malnutrition	Metabolic/nutrition Neuro	E46
Maltreatment	Misc	T74
Manic episode or mania or hypomania without bipolar disorder	Psych	F30
Marfan syndrome	Hereditary/congenital Cardiovascular	Q87.4
Mass, lump or swelling, intra-abdominal or pelvic	Renal/urinary Misc Symptom/Sign	R19.0
Mass, lump or swelling, skin or subcutaneous tissue, NOS	Symptom/Sign	R22
Mastoiditis (acute or chronic, infectious or noninfectious)	Infectious disease ENT Potential infection	H70
Maternal care in pregnancy for known or suspected fetal problems	Peripartum	O36
Maternal complications of pregnancy, NOS	Peripartum	O26
Maternal disorder complicating pregnancy, childbirth, or postpartum, NOS	Hereditary/congenital Cardiovascular	O99
Measles virus	Pathogens Virus	B05
Measles, limited to skin	Infectious disease Skin Infection with implied pathogen	B05.9
Mechanism of injury: animal rider or occupant of animal-drawn vehicle	Mechanism Transportation mechanism	V80
Mechanism of injury: assault with bodily force	Mechanism	Y04
Mechanism of injury: bus occupant	Mechanism Transportation mechanism	V79
Mechanism of injury: crushed or jammed or pinched in or between objects	Mechanism	W23
Mechanism of injury: driver or occupant of ATV or off-road vehicle or snowmobile	Mechanism Transportation mechanism	V86
Mechanism of injury: driver or occupant of watercraft	Mechanism Transportation mechanism	V94
Mechanism of injury: explosion	Mechanism	W40
Mechanism of injury: fall or jump (not necessarily from a height)	Mechanism	W19
Mechanism of injury: firearm (GSW)	Mechanism	W34
Mechanism of injury: hanging or strangulation (accidental or intentional)	Mechanism	Y20
Mechanism of injury: hypodermic needle	Mechanism	W46
Mechanism of injury: knife or other sharp object, stabbing	Mechanism	W26
Mechanism of injury: machinery	Mechanism	W31
Mechanism of injury: motorcyclist	Mechanism Transportation mechanism	V29
Mechanism of injury: occupant or driver of car or truck	Mechanism Transportation mechanism	V89.9
Mechanism of injury: other NOS	Mechanism	X59.9
Mechanism of injury: pedal cyclist vs powered vehicle	Mechanism Transportation mechanism	V19.6
Mechanism of injury: pedal cyclist, not with powered vehicle	Mechanism Transportation mechanism	V18
Mechanism of injury: pedestrian vs powered vehicle	Mechanism Transportation mechanism	V09.2
Mechanism of injury: pilot or occupant of aircraft	Mechanism Transportation mechanism	V97
Mechanism of injury: struck by an inanimate moving object/blunt trauma	Mechanism	W22
Mechanism of injury: train occupant	Mechanism Transportation mechanism	V81
Mechanism of injury: transport or vehicle accident NOS	Mechanism Transportation mechanism	V99
Mediastinitis, infectious	Respiratory Infectious disease Misc Infection requiring pathogen Cardiovascular	J98.51
Mediastinum, primary malignancy	Respiratory Neoplastic Cardiovascular Primary malignancy	C38.3
Medical Assistance In Dying	Misc Healthcare contact Diagnosis implying death	Z51.81
Medical abortion, with complication	Infectious disease Reproductive Peripartum Potential infection Hemorrhage Abortion Cardiovascular	O04.8
Medical abortion, without complication	Reproductive Peripartum Abortion	O04.9
Medical noncompliance	Misc	Z91.1
Medical problem NOS	Misc	R69
Melena or Hematochezia	Gastrointestinal Heme/immunology Hemorrhage	K92.1
Meniere's disease	ENT	H81.0
Meninges, benign neoplasm	Neuro Neoplastic Neuro neoplasm Benign neoplasm	D32
Meninges, primary malignancy	Neuro Neoplastic Neuro neoplasm Primary malignancy	C70
Meningitis, bacterial, NOS	Infectious disease Neuro Potential infection Meningitis	G00
Meningitis, fungal	Infectious disease Neuro Infection requiring pathogen Meningitis	G02.1
Meningitis, infectious NOS	Infectious disease Neuro Infection requiring pathogen Meningitis	G02.8
Meningitis, viral - incl West Nile	Infectious disease Neuro Musculoskeletal/soft tissue Infection requiring pathogen Meningitis	G02.0
Menopausal or perimenopausal disorder, NOS	Peripartum	N95.9
Menstruation, amenorrhea or oligomenorrhea (primary or secondary)	Reproductive	N91
Menstruation, dysfunctional uterine bleeding (DUB)	Reproductive	N93.8
Menstruation, excessive, frequent or irregular	Reproductive	N92
Mental disorder, of behavior, personality or emotion, NOS	Neuro Psych	F99
Mental retardation	Neuro	F79
Mesenteric ischemia, NOS	Gastrointestinal Ischemia Ischemic gut Arterial thromboembolism Venous thromboembolism Cardiovascular	K55.9
Mesenteric ischemia, acute	Gastrointestinal Ischemia Ischemic gut Arterial thromboembolism Venous thromboembolism Cardiovascular	K55.0
Mesenteric ischemia, chronic	Gastrointestinal Atherosclerosis Ischemic gut Arterial thromboembolism Venous thromboembolism Cardiovascular	K55.1
Mesothelioma (any site)	Respiratory Neoplastic Musculoskeletal/soft tissue Respiratory neoplasm	C45
Metabolic Syndrome (Syndrome X)	Metabolic/nutrition	E88.80
Metabolic disorder, NOS	Metabolic/nutrition Neuro	E88.9
Metal or their compounds or inorganic substances NOS, poisoning	Poisoning Poisoning by non-pharmaceuticals	T56
Methemoglobinemia	Heme/immunology	D74
Microscopic polyangiitis/polyarteritis	Heme/immunology Vasculitis Cardiovascular ANCA-associated Vasculitis (AAV)	M31.7
Missed abortion	Reproductive Peripartum Abortion	O02.1
Mitochondrial myopathy	Neuro	G71.3
Mitral valve disorder, NOS	Hereditary/congenital Heart valve disease Cardiovascular	I34.9
Mitral valve insufficiency (regurgitation)	Heart valve disease Cardiovascular	I34.0
Mitral valve prolapse	Heart valve disease Cardiovascular	I34.1
Mitral valve stenosis	Heart valve disease Cardiovascular	I34.2
Molar pregnancy (hydatidiform mole)	Peripartum	O01
Molluscum contagiosum	Infectious disease Skin Virus Infection with implied pathogen	B08.1
Monoclonal gammopathy of undetermined significance (MGUS)	Heme/immunology Neoplastic	D47.2
Monocytic leukemia, acute or chronic	Heme/immunology Neoplastic Leukemia	C93
Mononeuropathy, NOS	Neuro Musculoskeletal/soft tissue	G58.9
Monoplegia (paralysis of one limb only)	Neuro Paralysis	G83.3
Mood (affective) disorder, NOS	Psych	F39
Mosquito-borne viruses (causes of encephalitis)	Pathogens Virus	A83
Mouth or pharynx or salivary glands, benign neoplasm	ENT Neoplastic Gastrointestinal neoplasm Benign neoplasm	D10
Mouth or pharynx, burn	Gastrointestinal Respiratory Burn Inhalation	T28.0
Mouth or pharynx, chemical burn	Gastrointestinal Respiratory Burn Chemical burn	T28.5
Mouth, cellulitis or abscess	Gastrointestinal Infectious disease ENT Potential infection	K12.2
Movement disorder, NOS	Neuro	G25.9
Mucormycetes	Infectious disease Pathogens Fungus	B46
Mucositis/ulceration of digestive system, NOS	Gastrointestinal	K92.80
Multi-infarct dementia	Dementia Psych	F01.1
Multiple endocrine adenomatosis (multiple endocrine neoplasia syndrome, MEN)	Neoplastic Hereditary/congenital Endocrine disorder	D44.8
Multiple myeloma	Heme/immunology Neoplastic Heme/immunology neoplasm	C90.0
Multiple sclerosis	Neuro	G35
Multiple trauma	Trauma Misc	T07
Mumps	Infectious disease Virus Infection with implied pathogen	B26.0
Mumps virus	Infectious disease Pathogens Virus	B26.8
Muscle disorder/myopathy (primary or secondary), NOS	Neuro Muscle problem	G72.9
Muscle, contracture	Musculoskeletal/soft tissue Muscle problem	M62.4
Muscle, disorder NOS	Musculoskeletal/soft tissue Muscle problem Muscles/tendon trauma	M62.9
Muscle, infection (pyomyositis, infective myositis)	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen Muscle problem	M60.0
Muscle, ischemic infarction	Musculoskeletal/soft tissue Muscle problem Ischemia Cardiovascular	M62.2
Muscle, noninfectious inflammation NOS (inflammatory myositis)	Musculoskeletal/soft tissue Muscle problem	M60.9
Muscle, rupture, nontraumatic	Musculoskeletal/soft tissue Muscle problem	M62.1
Muscle, strain	Trauma Musculoskeletal/soft tissue Muscle problem Muscles/tendon trauma	M62.6
Muscle, wasting/atrophy NOS	Musculoskeletal/soft tissue Muscle problem	M62.5
Muscular dystrophy, all types	Neuro Muscle problem	G71.0
Musculoskeletal system, diagnostic imaging, abnormal	Testing Musculoskeletal/soft tissue Imaging	R93.7
Myasthenia gravis	Neuro	G70.0
Mycobacterium avium-intracellulare (MAC)	Bacteria Infectious disease Pathogens	A31.2
Mycobacterium tuberculosis (M. TB)	Bacteria Pathogens Tuberculosis Double duty pathogen	A18
Mycoplasma pneumoniae	Pathogens	B96.0
Myelodysplastic syndrome/myelodysplasia (preleukemia, refractory anemia)	Heme/immunology Neoplastic Anemia	D46
Myeloproliferative diseases	Heme/immunology Neoplastic	D47.1
Myocardial aneurysm (any part)	Aneurysm Cardiovascular	I25.3
Myocardial infarction, acute (AMI), NOS	Myocardial Infarction Ischemic heart disease Arterial thromboembolism Cardiovascular	I21.9
Myocardial infarction, acute (AMI), subendocardial/non-transmural (non-Q-wave)	Myocardial Infarction Ischemic heart disease Arterial thromboembolism Cardiovascular	I21.4
Myocardial infarction, acute (AMI), transmural (Q-wave)	Myocardial Infarction Ischemic heart disease Arterial thromboembolism Cardiovascular	I21.3
Myocarditis, acute NOS	Cardiovascular	I40.9
Myocarditis, acute noninfective	Cardiovascular	I40.8
Myocarditis, chronic	Potential infection Cardiovascular	I51.4
Myocarditis/carditis, acute infective	Infectious disease Infection requiring pathogen Cardiovascular	I40.0
Myoclonus	Neuro	G25.3
Myoglobinuria	Renal/urinary Symptom/Sign Testing	R82.1
Myopathy, alcoholic	Neuro Alcohol related	G72.1
Myopathy, drug-induced	Neuro Muscle problem	G72.0
Myotonic dystrophy, all types	Neuro Hereditary/congenital Muscle problem	G71.1
Myxedema NOS	Endocrine disorder	E03.9
Myxedema with coma	Neuro Endocrine disorder	E03.5
Nasal cavity or sinus or middle ear, primary malignancy	ENT Neoplastic Respiratory neoplasm Primary malignancy	C30
Nausea or vomiting	Gastrointestinal Symptom/Sign	R11
Neck structures NOS, wound/injury/trauma	Trauma Neck trauma Cardiovascular	S19
Neck, blood vessels NOS, injury/trauma	Trauma Vascular trauma Neck trauma Cardiovascular	S15.9
Neck, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Spine Neck trauma Joint/ligament trauma	S13
Neck, nerves NOS, injury/trauma	Trauma Neuro Spine Neck trauma	S14.68
Neck, open wound, injury/trauma	Trauma Skin Neck trauma	S11
Neck, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue Neck trauma	S10
Necrotizing fasciitis	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen	M72.6
Neisseria gonorrhea (gonococcus)	Bacteria Infectious disease Pathogens	A54
Neisseria meningitidis (meningococcus)	Bacteria Pathogens	A39
Neoplasm of uncertain behavior (i.e. not clear if benign or malignant), NOS	Neoplastic Benign neoplasm	D48
Nephritic syndrome, NOS	Renal/urinary Nephritic syndrome	N05
Nephritic syndrome, acute	Renal/urinary Nephritic syndrome	N00
Nephritic syndrome, chronic	Renal/urinary Nephritic syndrome	N03
Nephritic syndrome, rapidly progressive	Renal/urinary Nephritic syndrome	N01
Nephrotic syndrome	Renal/urinary	N04
Nerve root or nerve plexus disorder	Heme/immunology Neuro Musculoskeletal/soft tissue	G54.9
Nerve root, cervical spinal cord, injury/trauma	Trauma Neuro Spine Neck trauma	S14.28
Nerve root, lumbar spinal cord, injury/trauma	Trauma Neuro Spine Abdominal trauma	S34.28
Nerve root, thoracic spinal cord, injury/trauma	Trauma Neuro Spine Thoracic trauma	S24.28
Nerves, peripheral or autonomic, primary malignancy	Neuro Neoplastic Neuro neoplasm Primary malignancy	C47
Nerves, peripheral, benign neoplasm	Neuro Neoplastic Neuro neoplasm Benign neoplasm	D36.2
Nervous system NOS, congenital malformation	Neuro Hereditary/congenital	Q07
Neurofibromatosis (Von Recklinghausen's disease)	Hereditary/congenital Cardiovascular	Q85.0
Neurogenic (neuropathic) bladder	Renal/urinary Neuro	N31
Neuroleptic malignant syndrome	Neuro	G21.0
Neuromuscular blocker/paralytic, adverse effect	Healthcare contact Allergy Adverse effect	Y55.1
Neuromuscular blocker/paralytic, overdose/toxicity	Healthcare contact Overdose	T48.1
Neuromyelitis optica (Devic's disease)	Eye Neuro	G36.0
Neuropathy (peripheral), alcohol-induced	Neuro Alcohol related	G62.1
Neuropathy, peripheral, drug-induced	Neuro Iatrogenic	G62.0
Neutropenia or agranulocytosis	Heme/immunology	D70
No Comorbidities (ICD10 code)	Misc	000
No Dx Entered	Misc	0
Nocardia (nocardiosis)	Bacteria Infectious disease Pathogens Infection with implied pathogen Double duty pathogen	A43
Non-Hodgkin's lymphoma	Lymphoma Heme/immunology Neoplastic	C85.7
Noninfectious (aseptic) meningitis	Neuro Meningitis	G03.0
Nontuberculous mycobacteria	Bacteria Pathogens Non-specific pathogens	A31.8
Normal pressure hydrocephalus	Neuro	G91.2
Nosocomial infection, NOS	Infectious disease Iatrogenic Infection requiring pathogen Iatrogenic infection	Y95
Nutritional deficiency, NOS	Metabolic/nutrition	E63
Obesity, NOS (BMI 30.0 to 39.9)	Metabolic/nutrition	E66.9
Obesity, morbid (severe, BMI gte 40)	Metabolic/nutrition	E66.8
Obesity-hypoventilation syndrome (Pickwick syndrome)	Respiratory Sleep disorder	E66.2
Observation after accident/injury	Trauma Healthcare contact Observation	Z04.3
Observation for SUSPECTED overdose	Healthcare contact Observation Overdose	Z03.6
Observation for SUSPECTED tuberculosis	Infectious disease Healthcare contact Tuberculosis Observation Infection with implied pathogen	A16
Observation for reason NOS	Healthcare contact Observation	Z04.8
Observation for suspected infection NOS	Infectious disease Healthcare contact Observation Potential infection COVID	Z03.8
Obsessive-compulsive disorder	Neuro Psych	F42
Obstructed labor	Reproductive Peripartum	O66
Opioid/narcotic, acute intoxication	Poisoning Psych Acute intoxication Addiction Opioid related	F11.0
Opioid/narcotic, adverse effect	Respiratory Neuro Iatrogenic Opioid related Allergy Adverse effect	Y45.0
Opioid/narcotic, chronic abuse/dependence/addiction	Psych Addiction Opioid related	F11.2
Opioid/narcotic, overdose/toxicity	Poisoning Opioid related Overdose	T40.6
Opioid/narcotic, withdrawal	Psych Withdrawal Opioid related	F11.3
Optic neuritis	Eye Neuro	H46
Oral mucositis	Gastrointestinal ENT	K12.3
Organ NOS, function test, abnormal	Misc Testing	R94.8
Organ donor (organ/tissue donation by the donor)	Misc Healthcare contact	Z52
Organ transplant candidate (waiting for organ)	Misc Transplant	Z76.80
Organic amnestic syndrome, not due to drugs or alcohol	Psych	F04
Organic brain disorder, NOS	Neuro Psych	F09
Osler-Weber-Rondu syndrome (Hereditary Hemorrhagic Telangiectasia)	Gastrointestinal Misc Cardiovascular	I78.0
Osteoarthritis	Musculoskeletal/soft tissue	M15
Osteomalacia	Musculoskeletal/soft tissue	M83
Osteoporosis without new pathologic fracture	Metabolic/nutrition Fracture Musculoskeletal/soft tissue Endocrine disorder Pathologic fracture due to osteoporosis Pathologic fracture	M81
Other and unspecified symptoms and signs involving the nervous and musculoskeletal systems	Neuro Symptom/Sign Musculoskeletal/soft tissue Muscle problem	R29.8
Other specified infectious agents as the cause of diseases classified by other ICD10 code	Infectious disease Infection requiring pathogen	B98
Other type of infectious organism, NOS	Infectious disease Pathogens Non-specific pathogens	U22.8
Otitis externa, infectious	Infectious disease ENT Infection requiring pathogen	H60.3
Otitis media, infectious	Infectious disease ENT Infection requiring pathogen	H66
Otitis media, noninfectious	ENT	H65
Ovarian dysfunction, NOS	Reproductive Endocrine disorder	E28.9
Ovarian hyperstimulation syndrome, associated with artificial fertilization	Peripartum	N98.1
Ovary or fallopian tube, wound/injury/trauma	Trauma Reproductive Abdominal trauma	S37.4
Ovary, benign neoplasm	Neoplastic Reproductive Female genital neoplasm Endocrine neoplasm Benign neoplasm	D27
Ovary, cyst	Reproductive Endocrine disorder	N83.2
Ovary, fallopian tube, broad ligament, disorder NOS (noninflammatory, noninfectious)	Reproductive	N83.9
Ovary, primary malignancy	Neoplastic Reproductive Female genital neoplasm Endocrine neoplasm Primary malignancy	C56
Ovary, torsion	Reproductive	N83.5
Pain NOS, not specified if acute or chronic	Metabolic/nutrition Symptom/Sign Pain	R52.9
Pain associated with female genital organs and/or menstrual cycle	Peripartum Pain	N94
Pain, abdominal or pelvic	Gastrointestinal Symptom/Sign Pain	R10.4
Pain, acute NOS	Symptom/Sign Pain	R52.0
Pain, back NOS (back pain)	Musculoskeletal/soft tissue Pain	M54.9
Pain, chest NOS	Symptom/Sign Pain Cardiovascular	R07.4
Pain, chronic NOS	Metabolic/nutrition Symptom/Sign Pain	R52.2
Pain, pleuritic chest pain	Respiratory Symptom/Sign Pain	R07.1
Pain, throat	Gastrointestinal Symptom/Sign Pain	R07.0
Palliative care	Misc Healthcare contact	Z51.5
Palpitations	Symptom/Sign Arrhythmia Cardiovascular	R00.2
Pancreas disorder, NOS	Gastrointestinal Infectious disease Potential infection Pancreas disease	K86.9
Pancreas transplant, failure or rejection or unspecified complication	Gastrointestinal Heme/immunology Iatrogenic Transplant Pancreas disease	T86.81
Pancreas, benign neoplasm	Gastrointestinal Neoplastic Pancreas disease Gastrointestinal neoplasm Endocrine neoplasm Benign neoplasm	D13.6
Pancreas, primary malignancy	Gastrointestinal Neoplastic Pancreas disease Gastrointestinal neoplasm Endocrine neoplasm Primary malignancy	C25
Pancreas, wound/injury/trauma	Gastrointestinal Trauma Abdominal trauma Pancreas disease	S36.2
Pancreatic pseudocyst	Gastrointestinal Pancreas disease	K86.3
Pancreatitis, acute NOS	Gastrointestinal Infectious disease Potential infection Pancreas disease Pancreatitis	K85.9
Pancreatitis, acute, due to alcohol	Gastrointestinal Alcohol related Pancreas disease Pancreatitis	K85.2
Pancreatitis, acute, due to gallstones	Gastrointestinal Pancreas disease Pancreatitis	K85.1
Pancreatitis, chronic NOS	Gastrointestinal Pancreas disease Pancreatitis	K86.1
Pancreatitis, chronic, due to alcohol	Gastrointestinal Alcohol related Pancreas disease Pancreatitis	K86.0
Pancytopenia	Heme/immunology Anemia	D61.9
Panic disorder	Psych	F41.0
Papillary muscle, rupture	Myocardial Infarction Musculoskeletal/soft tissue Muscle problem Cardiovascular	I51.2
Papilledema	Eye	H47.1
Papillomavirus	Pathogens Virus	B97.7
Paracoccidioides	Infectious disease Pathogens Fungus	B41
Parainfluenza virus	Pathogens Virus	B97.80
Paralytic syndrome, NOS	Neuro Paralysis	G83.9
Paraneoplastic neuropathy or myopathy	Neuro	G13.0
Paraplegia or quadraplegia/tetraplegia	Neuro Paralysis	G82
Parasitic infection, NOS	Infectious disease Skin Infection requiring pathogen	B89
Parathyroid disorder, NOS	Metabolic/nutrition Endocrine disorder	E21.4
Parathyroid gland, benign neoplasm	Neoplastic Endocrine disorder Endocrine neoplasm Benign neoplasm	D35.1
Parathyroid gland, primary malignancy	Neoplastic Endocrine disorder Endocrine neoplasm Primary malignancy	C75.0
Parkinson's disease	Neuro	G20
Parvovirus	Pathogens Virus	B97.6
Past history of Chimeric Antigen Receptor T-cell Immunotherapy (CAR-T)	Neoplastic Past medical history	Z92.8
Past history of Covid-19 infection	Misc COVID	U07.5
Past history of chemotherapy for neoplastic disease	Neoplastic Past medical history	Z92.6
Past history of immunosuppressive drugs or corticosteroids	Heme/immunology Past medical history	Z92.25
Past history of radiation therapy	Neoplastic Past medical history Radiation related	Z92.3
Past history, bone marrow or stem cell transplant	Past medical history Transplant	Z94.80
Past history, cancer (any type), believed cured	Neoplastic Past medical history	Z85
Past history, coronary revascularization	Past medical history Ischemic heart disease Cardiovascular	Z95.1
Past history, heart valve replacement (any valve)	Past medical history Heart valve disease Cardiovascular	Z95.4
Past history, loss of limb(s)	Past medical history Diabetes	Z89
Past history, myocardial infarction (old MI)	Past medical history Myocardial Infarction Cardiovascular	I25.2
Past history, organ/tissue transplant NOS	Misc Past medical history Transplant	Z94.88
Past history, removal of all or part of lung	Respiratory Misc Past medical history Organ removal	Z90.2
Past history, removal of any part of digestive tract	Gastrointestinal Misc Past medical history Organ removal	Z90.4
Past history, removal of breast (mastectomy)	Misc Reproductive Past medical history Organ removal Breast disease	Z90.1
Past history, removal of kidney (nephrectomy, partial or total)	Renal/urinary Misc Past medical history Organ removal	Z90.5
Past history, removal of organ NOS	Misc Neoplastic Past medical history Organ removal	Z90.8
Past history, self-harm, suicide attempt	Psych Past medical history	Z91.5
Past history, thromboembolic disease (DVT or PE), now gone	Past medical history Arterial thromboembolism Venous thromboembolism Cardiovascular	Z86.70
Past history, transplanted heart	Past medical history Transplant Cardiovascular	Z94.1
Past history, transplanted kidney	Renal/urinary Past medical history Transplant	Z94.0
Past history, transplanted liver	Gastrointestinal Past medical history Transplant Liver disease	Z94.4
Past history, transplanted lung(s)	Respiratory Past medical history Transplant	Z94.2
Past history, transplanted pancreas or islet cells	Gastrointestinal Past medical history Diabetes Transplant	Z94.82
Past history, tuberculosis, believed cured or inactive	Respiratory Past medical history Tuberculosis	Z86.1
Patent ductus arteriosus (PDA)	Hereditary/congenital Cardiovascular	Q25.0
Pelvis, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Lower limb trauma Traumatic fracture Abdominal trauma	S32.8
Pemphigoid or Bullous pemphigoid	Skin	L12
Pemphigus	Heme/immunology Skin	L10
Penis, disorders NOS	Infectious disease Reproductive Potential infection	N48.9
Peptic ulcer, site unspecified, with hemorrhage	Gastrointestinal Hemorrhage GI ulcer Peptic ulcer	K27.4
Peptic ulcer, site unspecified, with perforation	Gastrointestinal GI ulcer Peptic ulcer	K27.5
Peptic ulcer, site unspecifiied, NOS	Gastrointestinal GI ulcer Peptic ulcer	K27.9
Perforation of tympanic membrane (eardrum)	ENT	H72
Perforation/rupture of esophagus, nontraumatic, NOS	Gastrointestinal	K22.3
Pericardial effusion	Cardiovascular	I31.3
Pericardial tamponade	Cardiovascular	I31.9
Pericarditis, acute NOS	Cardiovascular	I30.9
Pericarditis, acute, infective	Infectious disease Infection requiring pathogen Cardiovascular	I30.1
Pericarditis, acute, noninfective	Cardiovascular	I30.0
Pericarditis, chronic	Cardiovascular	I31.1
Perimenopausal hot flashes / associated symptoms	Reproductive Symptom/Sign	N95.1
Peripheral nervous system disorder, NOS	Neuro	G64
Peripheral neuropathy or polyneuropathy, NOS	Neuro	G62.9
Peritoneal tissue/peritoneum, primary malignancy	Gastrointestinal Neoplastic Primary malignancy	C48.1
Peritoneum, metastatic malignancy to it (also code primary site)	Respiratory Neoplastic Metastasis Gastrointestinal neoplasm	C78.6
Peritonitis, infectious	Gastrointestinal Infectious disease Infection requiring pathogen Intra-abdominal infection	K65
Peritonsillar abscess	Respiratory Infectious disease Infection requiring pathogen Upper respiratory tract infection	J36
Persistent vegetative state	Neuro	R40.20
Personality disorder, any type	Neuro Psych	F60
Pesticides, poisoning	Poisoning Poisoning by non-pharmaceuticals	T60
Pharyngitis, acute	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J02
Phenylketonuria	Metabolic/nutrition Skin Hereditary/congenital	E70
Phobic disorders	Psych	F40
Pituitary disorder, NOS	Metabolic/nutrition Endocrine disorder	E23.7
Pituitary gland, benign neoplasm	Neuro Neoplastic Endocrine disorder Endocrine neoplasm Benign neoplasm	D35.2
Pituitary gland, primary malignancy	Neoplastic Endocrine disorder Endocrine neoplasm Primary malignancy	C75.1
Placenta previa	Reproductive Peripartum	O44
Placenta, primary malignancy	Neoplastic Reproductive Primary malignancy	C58
Placental disorder, NOS	Reproductive Peripartum	O43
Plantar fasciitis	Musculoskeletal/soft tissue	M72.2
Plasma cell leukemia	Heme/immunology Neoplastic Leukemia Heme/immunology neoplasm	C90.1
Plasmacytoma, NOS	Heme/immunology Neoplastic Heme/immunology neoplasm	C90.21
Pleura, metastatic malignancy to it (also code primary site)	Respiratory Neoplastic Metastasis Pleural abnormalities Respiratory neoplasm	C78.2
Pleura, primary malignancy	Respiratory Neoplastic Respiratory neoplasm Primary malignancy	C38.4
Pleural disorder, NOS	Respiratory Pleural abnormalities	J94.9
Pleural effusion, NOS	Respiratory Infectious disease Potential infection Pleural abnormalities	J90
Pleural thickening, pleural plaques	Respiratory Pleural abnormalities	J92.9
Pleurisy (infectious or noninfectious)	Respiratory Infectious disease Symptom/Sign Potential infection	R09.1
Pneumoconiosis, NOS	Respiratory Pneumoconiosis Inhalation	J64
Pneumocystis Jirovecii or Pneumocystis Carinii	Infectious disease Pathogens	B59
Pneumonia, NOS	Respiratory Infectious disease Infection requiring pathogen Pneumonia	J18
Pneumonia, bacterial	Respiratory Infectious disease Infection requiring pathogen Pneumonia	J15
Pneumonia, fungal/yeast	Respiratory Infectious disease Infection requiring pathogen Pneumonia	J17.2
Pneumonia, ventilator-associated (VAP)	Respiratory Infectious disease Iatrogenic Infection requiring pathogen Iatrogenic infection Pneumonia	J95.88
Pneumonia, viral	Respiratory Infectious disease Virus Infection requiring pathogen Pneumonia	J12
Pneumothorax, nontension, nontraumatic	Respiratory Pleural abnormalities Pneumothorax	J93.1
Pneumothorax, nontraumatic, NOS	Respiratory Pleural abnormalities Pneumothorax	J93.9
Pneumothorax, tension, nontraumatic	Respiratory Pleural abnormalities Pneumothorax Cardiovascular	J93.0
Pneumothorax, traumatic	Fistula Trauma Pleural abnormalities Thoracic trauma Pneumothorax Cardiovascular	S27.0
Poliomyelitis, acute	Infectious disease Neuro Infection with implied pathogen	A80
Polyarteritis nodosa (PAN)	Gastrointestinal Heme/immunology Renal/urinary Skin Neuro Musculoskeletal/soft tissue Vasculitis Cardiovascular	M30.0
Polyclonal gammopathy	Heme/immunology	D89.0
Polycystic kidney(s)	Renal/urinary Hereditary/congenital	Q61.3
Polycystic ovaries, polycystic ovary syndrome	Reproductive Endocrine disorder	E28.2
Polycythemia vera	Heme/immunology Neoplastic	D45
Polycythemia, secondary	Heme/immunology	D75.1
Polydipsia	Metabolic/nutrition Symptom/Sign Endocrine disorder	R63.1
Polyglandular dysfunction	Heme/immunology	E31
Polymyalgia rheumatica	Musculoskeletal/soft tissue Rheumatic disease Vasculitis	M35.3
Polyphagia	Metabolic/nutrition Symptom/Sign Hereditary/congenital	R63.2
Polyuria	Metabolic/nutrition Renal/urinary Symptom/Sign Endocrine disorder	R35
Porphyria	Metabolic/nutrition Hereditary/congenital	E80.2
Portal hypertension	Gastrointestinal Liver disease Cardiovascular	K76.6
Portal vein thrombosis	Venous thromboembolism Cardiovascular	I81
Post COVID-19 condition	Misc COVID	U07.4
Post-concussion syndrome	Neuro Psych Head trauma	F07.2
Post-traumatic stress disorder (PTSD)	Neuro Psych	F43.1
Posterior reversible encephalopathy syndrome (PRES)	Cardiovascular	I67.83
Postmenopausal bleeding (hemorrhage)	Neoplastic Reproductive Cardiovascular	N95.0
Postpartum complications, NOS	Reproductive Peripartum	O90.9
Postpartum hemorrhage	Reproductive Peripartum	O72
Postpartum/peripartum depression	Peripartum Psych	F53
Postpericardiotomy syndrome	Respiratory Heme/immunology Cardiovascular	I97.0
Postpolio syndrome	Neuro	G14
Postthrombotic (postphlebitic) syndrome	Cardiovascular	I87.0
Postzoster (post-herpetic) neuralgia	Neuro	G53.0
Pre-eclampsia (gestational hypertension with proteinuria)	Reproductive Peripartum Hypertension	O14.9
Pregnancy (person is pregnant)	Reproductive Peripartum Healthcare contact	Z33
Premature rupture of membranes in pregnancy	Peripartum	O42
Preparatory care (incl preop optimization)	Misc	Z51.4
Prerenal uremia/state	Renal/urinary Symptom/Sign Renal failure	R39.2
Preterm labor (with or without delivery)	Peripartum	O60
Primary Biliary Cholangitis (PBC)	Gastrointestinal Cirrhosis Liver disease	K74.3
Primary hypercoagulability (thrombophilia)	Heme/immunology Hereditary/congenital	D68.5
Primary malignancy (solid tumor) of site unknown or NOS	Neoplastic Primary malignancy	C76.8
Problem related to unspecified psychosocial circumstances	Misc Psych	Z65.9
Proctitis, due to radiation	Gastrointestinal Radiation related	K62.7
Progressive Multifocal Leukoencephalopathy (PML)	Infectious disease Neuro Virus Potential infection	A81.2
Prolymphocytic leukemia	Heme/immunology Neoplastic Leukemia	C91.3
Prostate, abscess	Infectious disease Reproductive Infection requiring pathogen	N41.2
Prostate, acute prostatitis	Reproductive	N41.0
Prostate, benign prostatic hypertrophy (BPH)	Reproductive	N40
Prostate, chronic prostatitis	Reproductive	N41.1
Prostate, disorder NOS	Infectious disease Reproductive Musculoskeletal/soft tissue Potential infection	N42
Prostate, primary malignancy	Neoplastic Peripartum Male genital neoplasm Primary malignancy	C61
Proteinuria	Renal/urinary Testing	R80
Proteus mirabilus (morganii)	Pathogens	B96.4
Protozoa, NOS	Infectious disease Pathogens Non-specific pathogens	B60
Pruritus (itching)	Skin	L29
Pseudomonas	Bacteria Pathogens	B96.5
Psoas abscess	Infectious disease Infection requiring pathogen Intra-abdominal infection	K68.12
Psoriasis of skin	Skin	L40.9
Psoriatic arthritis	Musculoskeletal/soft tissue	M07
Psychiatric drug NOS, adverse effect	Iatrogenic Psych Allergy Adverse effect	Y49.8
Psychiatric drug NOS, overdose/toxicity	Poisoning Iatrogenic Overdose	T43.9
Psychoactive substance NOS, acute intoxication	Poisoning Psych Acute intoxication Psychoactive substance NOS related	F19.0
Psychoactive substance NOS, chronic abuse/dependence/addiction	Psych Addiction Psychoactive substance NOS related	F19.2
Psychoactive substance NOS, withdrawal	Psych Withdrawal Psychoactive substance NOS related	F19.3
Psychological developmental disorder, NOS	Neuro Psych	F89
Psychosis/psychotic disorder, NOS, acute or chronic	Psych Delirium	F29
Puerperal (post-delivery) infections or sepsis	Infectious disease Reproductive Peripartum Infection requiring pathogen	O86
Pulmonary edema that is not from heart disease	Respiratory Misc	J81
Pulmonary embolism (thromboembolism), acute	Respiratory Arterial thromboembolism Pulmonary embolism Cardiovascular	I26
Pulmonary embolism (thromboembolism), chronic	Respiratory Arterial thromboembolism Pulmonary embolism Cardiovascular	I27.82
Pulmonary embolism (thromboembolism), obstetrical	Respiratory Reproductive Peripartum Arterial thromboembolism Pulmonary embolism Cardiovascular	O88.2
Pulmonary embolism (thromboembolism), septic	Respiratory Infectious disease Infection requiring pathogen Arterial thromboembolism Pulmonary embolism Cardiovascular	I26.90
Pulmonary embolism, obstetrical, air embolism	Respiratory Reproductive Peripartum Arterial thromboembolism Pulmonary embolism Cardiovascular	O88.0
Pulmonary embolism, obstetrical, amniotic fluid embolism	Respiratory Reproductive Peripartum Arterial thromboembolism Pulmonary embolism Cardiovascular	O88.1
Pulmonary embolism, septic obstetrical thromboembolism	Respiratory Infectious disease Reproductive Peripartum Infection requiring pathogen Arterial thromboembolism Pulmonary embolism Cardiovascular	O88.3
Pulmonary emphysema or bullous disease without COPD	Respiratory Misc	J43.9
Pulmonary hypertension, NOS	Respiratory Pulmonary hypertension Cardiovascular	I27.9
Pulmonary hypertension, primary (PPH)	Respiratory Pulmonary hypertension Cardiovascular	I27.0
Pulmonary hypertension, secondary (any cause)	Respiratory Pulmonary hypertension Cardiovascular	I27.2
Pulmonary valve disorder, NOS	Heart valve disease Cardiovascular	I37.9
Pulmonary valve insufficiency (regurgitation)	Heart valve disease Cardiovascular	I37.1
Pulmonary valve or tricuspid valve, congenital malformation	Respiratory Hereditary/congenital Heart valve disease Cardiovascular	Q22
Pulmonary valve stenosis	Heart valve disease Cardiovascular	I37.0
Pulseless Electrical Activity (PEA)	Arrhythmia Cardiovascular	U85.2
Pyloric stenosis	Gastrointestinal	K31.1
Pyoderma gangrenosum	Musculoskeletal/soft tissue	L88
Rabies OR for buglist rabies virus	Infectious disease Pathogens Virus Infection with implied pathogen Double duty pathogen	A82
Radiation pneumonitis (acute or chronic)	Respiratory Radiation related	J70.0
Radiation sickness	Misc Radiation related	T66
Raynaud's syndrome/phenomenon	Cardiovascular	I73.0
Reactive airways dysfunction syndrome (RADS)	Respiratory	J68.3
Rectum or anus, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C20
Rectum, traumatic laceration/rupture	Gastrointestinal Trauma Abdominal trauma	S36.61
Rectum, wound/injury/trauma NOS	Gastrointestinal Trauma Abdominal trauma	S36.69
Red blood cell, abnormal shape or volume	Heme/immunology Symptom/Sign Testing	R71
Reovirus	Pathogens Virus	B97.5
Resistance to antimicrobials, antibiotic, resistance to other beta lactams	Infectious disease Antibiotic resistance	U82.8
Resistance to antimicrobials, antifungal drug	Infectious disease Antibiotic resistance	U84.1
Resistance to antimicrobials, antiparasitic drug	Infectious disease Antibiotic resistance	U84.0
Resistance to antimicrobials, antiviral agent	Infectious disease Antibiotic resistance Virus	U84.2
Resistance to antimicrobials, classic anti-mycobacterial agent	Infectious disease Antibiotic resistance	U84.3
Resistance to antimicrobials, drug NOS	Infectious disease Antibiotic resistance	U84.9
Resistance to antimicrobials, extended spectrum beta lactamase (ESBL)	Infectious disease Antibiotic resistance	U82.3
Resistance to antimicrobials, methicillin (anti-staph penicillins)	Infectious disease Antibiotic resistance	U82.1
Resistance to antimicrobials, miscellaneous antibacterial antibiotics	Infectious disease Antibiotic resistance	U83.9
Resistance to antimicrobials, vancomycin	Infectious disease Antibiotic resistance	U83.0
Resistance to carbapenem antibiotics	Infectious disease Antibiotic resistance	U82.20
Respiratory arrest	Respiratory Misc Symptom/Sign	R09.2
Respiratory conditions due to inhalation of chemicals, gases, fumes, vapors, NOS	Respiratory Inhalation	J68.9
Respiratory conditions due to smoke inhalation	Respiratory Inhalation	J70.5
Respiratory disorder, postprocedure/postop NOS	Respiratory Infectious disease Potential infection	J95.9
Respiratory failure (insufficiency) NOS, acute	Respiratory Misc	J96.09
Respiratory failure (insufficiency) NOS, not specified as acute or chronic	Respiratory	J96.99
Respiratory failure (insufficiency), chronic	Respiratory	J96.19
Respiratory secretions, abnormal	Respiratory Symptom/Sign	R09.3
Respiratory syncytial virus (RSV)	Pathogens Virus	B97.4
Respiratory system NOS, benign neoplasm	Respiratory Neoplastic Respiratory neoplasm Benign neoplasm	D14.4
Respiratory system NOS, metastatic malignancy to it (also code primary site)	Respiratory Neoplastic Metastasis Respiratory neoplasm	C78.3
Respiratory system NOS, primary malignancy	Respiratory Neoplastic Respiratory neoplasm Primary malignancy	C39
Respiratory system, congenital malformation	Respiratory Hereditary/congenital	Q34
Respiratory tract, burn	Respiratory ENT Burn Inhalation	T27.3
Respiratory tract, chemical burn	Gastrointestinal Burn Chemical burn Inhalation	T27.7
Respiratory tract, foreign body in	Respiratory Potential trauma	T17
Respite care	Healthcare contact	Z75.5
Restless legs syndrome	Neuro Sleep disorder	G25.8
Retinal arterial occlusion	Eye Cardiovascular	H34
Retinal tear, detachment, or break	Eye	H33
Retinopathy or retinal disorder, NOS	Eye	H35.9
Retroperitoneal abscess	Infectious disease Infection requiring pathogen Intra-abdominal infection	K68.1
Retroperitoneal area, diagnostic imaging, abnormal	Gastrointestinal Renal/urinary Testing Imaging Hemorrhage	R93.5
Retropharyngeal or parapharyngeal abscess	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J39.0
Retrovirus	Pathogens Virus	B97.3
Reye's syndrome	Neuro	G93.7
Rhabdomyolysis	Metabolic/nutrition Renal/urinary Musculoskeletal/soft tissue Muscle problem	M62.82
Rheumatic heart disease, chronic	Rheumatic disease Heart valve disease Cardiovascular	I09
Rheumatoid arthritis lung disease	Musculoskeletal/soft tissue Rheumatic disease	M05.1
Rheumatoid arthritis, involvement of organs NOS	Musculoskeletal/soft tissue Rheumatic disease	M05.3
Rheumatoid arthritis, joint involvement	Musculoskeletal/soft tissue Rheumatic disease	M05
Rhinitis, allergic or vasomotor	Respiratory ENT Allergy	J30
Rib fracture(s) due to CPR	Iatrogenic Musculoskeletal/soft tissue	Y65.81
Rib, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Traumatic fracture Abdominal trauma Thoracic trauma	S22.3
Rickettsia infection	Infectious disease Infection with implied pathogen	A79
Right bundle branch block	Cardiovascular	I45.1
Rotator cuff, tear or rupture	Trauma Musculoskeletal/soft tissue	M75.1
Rubella virus (German measles virus)	Infectious disease Pathogens Virus	B06
Rupture/laceration of artery, NOS	Aneurysm Vascular trauma Cardiovascular	I77.2
SARS (severe acute respiratory syndrome)	Respiratory Infectious disease Infection with implied pathogen	U04
SVC or IVC syndrome (vena cava compression syndrome)	Cardiovascular	I87.1
Sacroiliitis	Neuro Musculoskeletal/soft tissue Spine	M46.1
Salmonella enteritis	Gastrointestinal Infectious disease Infection with implied pathogen	A02.0
Salmonella species	Bacteria Infectious disease Pathogens	A02.8
Salpingitis, oophoritis or salpingo-oophoritis	Infectious disease Reproductive Potential infection	N70
Sarcoidosis, any organ(s)	Respiratory Heme/immunology	D86
Scarlet fever	Infectious disease Skin Musculoskeletal/soft tissue Infection with implied pathogen	A38
Schizoaffective disorders	Psych	F25
Schizophrenia	Psych	F20
Sciatica	Neuro Misc Musculoskeletal/soft tissue	M54.3
Scleroderma or CREST syndrome (systemic sclerosis)	Gastrointestinal Heme/immunology Skin Musculoskeletal/soft tissue Vasculitis Cardiovascular	M34
Secondary Parkinsonism	Neuro	G21.9
Sedative or hypnotic, acute intoxication	Psych Acute intoxication Sedative related	F13.0
Sedative or hypnotic, adverse effect	Respiratory Iatrogenic Sedative related Allergy Adverse effect	Y47.8
Sedative or hypnotic, chronic abuse/dependence/addiction	Psych Addiction Sedative related	F13.2
Sedative or hypnotic, overdose/toxicity	Psych Sedative related Overdose	T42.7
Sedative or hypnotic, withdrawal	Psych Withdrawal Sedative related	F13.3
Seizure, NOS	Misc Symptom/Sign	R56.88
Seizure, febrile (febrile seizure)	Neuro Symptom/Sign	R56.0
Sepsis (SIRS due to infection, without acute organ failure)	Infectious disease Infection requiring pathogen Cardiovascular	R65.0
Septic Thrombosis or Embolism, NOS	Infectious disease Infection requiring pathogen Arterial thromboembolism Cardiovascular	I76
Sequelae of poliomyelitis (chronic weakness)	Neuro Paralysis	B91
Serratia species	Bacteria Infectious disease Pathogens	A41.52
Severe sepsis	Infectious disease Infection requiring pathogen Cardiovascular	R65.1
Sexually transmitted (venereal) infections, NOS	Infectious disease Skin Reproductive Infection requiring pathogen	A64
Shigellosis (dysentery due to Shigella species)	Gastrointestinal Bacteria Infectious disease Infection with implied pathogen	A03
Shock, NOS	Shock	R57.9
Shock, cardiogenic	Cardiovascular Shock	R57.0
Shock, hypovolemic shock or hemorrhagic shock	Cardiovascular Shock	R57.1
Shock, septic	Infectious disease Infection requiring pathogen Shock	R57.2
Shoulder or upper arm, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation Upper limb trauma	S48
Shoulder or upper arm, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Muscles/tendon trauma	S46
Shoulder or upper arm, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma	S44
Shoulder or upper arm, open wound, injury/trauma	Trauma Skin Musculoskeletal/soft tissue Upper limb trauma	S41
Shoulder or upper arm, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue Upper limb trauma	S40
Shoulder or upper arm, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Upper limb trauma	S49
Shoulder or upper, arm blood vessels, wound/injury/trauma	Trauma Upper limb trauma Vascular trauma	S45
Shoulder, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Joint/ligament trauma	S43
Sick euthyroid syndrome	Endocrine disorder	E07.81
Sick sinus syndrome (SSS, tachy-brady syndrome)	Arrhythmia Cardiovascular	I49.5
Sickle cell anemia, chronic, without crisis	Heme/immunology Hereditary/congenital Anemia	D57.1
Sickle cell crisis	Heme/immunology Hereditary/congenital Anemia	D57.0
Sickle cell disorder or manifestation, NOS	Heme/immunology Hereditary/congenital Anemia	D57.8
Sickle cell trait	Heme/immunology Hereditary/congenital Anemia	D57.3
Silicosis of the lung (pneumoconiosis)	Respiratory Pneumoconiosis Inhalation	J62
Sinusitis, acute	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J01
Site NOS, metastatic malignancy to it (also code primary site)	Neoplastic Metastasis Endocrine disorder	C79.9
Sjogren's syndrome (Sicca syndrome)	Heme/immunology Eye ENT Musculoskeletal/soft tissue Vasculitis	M35.0
Skeletal and/or muscular system NOS, congenital malformation/deformity	Reproductive Hereditary/congenital	Q79
Skin NOS, primary malignancy	Skin Neoplastic Musculoskeletal/soft tissue Skin neoplasm Primary malignancy	C44
Skin abscess	Infectious disease Skin Infection requiring pathogen Potential infection	L02
Skin malformation/deformity	Hereditary/congenital	Q82
Skin rash, drug-induced (drug eruption)	Skin Iatrogenic Allergy	L27.0
Skin ulcer, NOS	Metabolic/nutrition Skin Musculoskeletal/soft tissue	L98.4
Skin, benign neoplasm	Skin Neoplastic Skin neoplasm Benign neoplasm	D23
Skin, burn, 1st degree	Skin Burn	T30.1
Skin, burn, 2nd degree	Skin Burn	T30.2
Skin, burn, 3rd degree	Skin Burn	T30.3
Skin, burn, degree unspecified	Skin Burn	T30.0
Skin, chemical burn, 1st degree	Skin Burn Chemical burn	T30.5
Skin, chemical burn, 2nd degree	Skin Burn Chemical burn	T30.6
Skin, chemical burn, 3rd degree	Skin Burn Chemical burn	T30.7
Skin, chemical burn, degree unspecified	Skin Burn Chemical burn	T30.4
Skin, malignant melanoma	Skin Neoplastic Musculoskeletal/soft tissue Skin neoplasm	C43
Skin, rash NOS	Infectious disease Heme/immunology Skin Symptom/Sign Testing Allergy Potential infection	R21
Skull, fracture, injury/trauma	Trauma ENT Fracture Musculoskeletal/soft tissue Traumatic fracture Head trauma	S02.0
Sleep apnea, NOS	Respiratory Neuro Sleep disorder	G47.38
Sleep apnea, central	Respiratory Sleep disorder	G47.31
Sleep apnea, obstructive	Respiratory Sleep disorder	G47.30
Sleep disorder, NOS	Neuro Psych Sleep disorder	G47.9
Small intestine, benign neoplasm	Gastrointestinal Neoplastic Gastrointestinal neoplasm Benign neoplasm	D13.3
Small intestine, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C17
Small intestine, traumatic laceration/rupture	Gastrointestinal Trauma Abdominal trauma	S36.41
Small intestine, wound/injury/trauma	Gastrointestinal Trauma Abdominal trauma	S36.49
Smallpox (due to Variola viruses)	Infectious disease Virus Infection with implied pathogen	B03
Soft tissue, disorder NOS	Musculoskeletal/soft tissue Hemorrhage	M79.9
Solvent (organic, inhaled or ingested), chronic abuse/dependence/addiction	Psych Addiction Solvent related	F18.2
Solvent (organic, inhaled or ingested), intoxication, acute	Psych Acute intoxication Solvent related	F18.0
Solvent (organic, inhaled or ingested), poisoning	Poisoning Solvent related Poisoning by non-pharmaceuticals	T52
Solvent (organic, inhaled or ingested), withdrawal	Psych Withdrawal Solvent related	F18.3
Somatoform disorder	Neuro Psych	F45
Somnolence, stupor or obtundation	Neuro Symptom/Sign	R40.0
Spina bifida	Neuro Spine Hereditary/congenital	Q05
Spinal cord compression	Neuro Musculoskeletal/soft tissue Spine	G95.2
Spinal cord disorder (myelopathy), NOS	Neuro Spine	G95.9
Spinal cord infarction, arterial thrombosis or thromboembolism	Musculoskeletal/soft tissue Spine Arterial thromboembolism Cardiovascular	G95.1
Spinal cord, cervical (C-spine), injury/trauma	Trauma Musculoskeletal/soft tissue Spine Neck trauma	S14.19
Spinal cord, congenital malformation NOS	Neuro Musculoskeletal/soft tissue Spine Hereditary/congenital	Q06
Spinal cord, lumbar (L-spine), injury/trauma	Trauma Musculoskeletal/soft tissue Spine Abdominal trauma	S34.19
Spinal cord, primary malignancy	Neuro Neoplastic Neuro neoplasm Primary malignancy	C72.0
Spinal cord, thoracic (T-spine), injury/trauma	Trauma Musculoskeletal/soft tissue Spine Thoracic trauma	S24.19
Spinal stenosis	Musculoskeletal/soft tissue Spine	M48.0
Spine (vertebrae, joints, ligaments) disorder NOS	Musculoskeletal/soft tissue Spine	M48.9
Spine or back, mechanical disorder involving bone or cartilage, NOS	Musculoskeletal/soft tissue Spine	M43
Spine, scoliosis, kyphosis, lordosis, kyphoscoliosis	Musculoskeletal/soft tissue Spine	M41
Spine, tuberculosis (Pott's disease)	Infectious disease Tuberculosis Musculoskeletal/soft tissue Spine Infection with implied pathogen Osteomyelitis	M49.0
Spirochetes, NOS - incl yaws, louse-borne, tick-borne	Bacteria Infectious disease Pathogens	A69.9
Spleen, primary malignancy	Gastrointestinal Neoplastic Primary malignancy	C26.1
Spleen, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Abdominal trauma Cardiovascular	S36.0
Splenic infarct	Gastrointestinal Heme/immunology Cardiovascular	D73.5
Splenomegaly	Gastrointestinal Heme/immunology Symptom/Sign	R16.1
Spontaneous abortion/miscarriage, with complication	Infectious disease Reproductive Peripartum Potential infection Hemorrhage Abortion Cardiovascular	O03.8
Spontaneous abortion/miscarriage, without complications	Reproductive Peripartum Abortion	O03.9
Spontaneous, uncomplicated labor and vaginal delivery	Reproductive Peripartum	O80
Sporothrix	Infectious disease Pathogens Fungus	B42
Staphylococcal scalded skin syndrome	Skin Infection with implied pathogen	L00
Staphylococcus aureus	Pathogens	B95.6
Staphylococcus, NOS	Pathogens	B95.8
Status asthmaticus	Respiratory Misc Asthma	J45.91
Status epilepticus (any seizure type)	Neuro	G41
Stenosis, narrowing or occlusion of precerebral arteries	Cardiovascular	I65
Stenotrophomonas species	Pathogens	U22.11
Sternum, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Traumatic fracture	S22.2
Stevens-Johnson Syndrome (Bullous erythema multiforme)	Heme/immunology Skin	L51.1
Stimulants incl methamphetamine, acute intoxication	Poisoning Psych Acute intoxication Addiction Stimulant related	F15.0
Stimulants incl methamphetamine, chronic abuse/dependence/addiction	Psych Addiction Stimulant related	F15.2
Stimulants incl methamphetamine, withdrawal	Psych Addiction Withdrawal Stimulant related	F15.3
Stimulants incl. methamphetamine, poisoning	Poisoning Iatrogenic Stimulant related Poisoning by non-pharmaceuticals	T43.6
Stomach, benign neoplasm	Gastrointestinal Neoplastic Gastrointestinal neoplasm Benign neoplasm	D13.1
Stomach, primary malignancy	Gastrointestinal Neoplastic Gastrointestinal neoplasm Primary malignancy	C16
Stomach, traumatic laceration/rupture	Gastrointestinal Trauma Abdominal trauma	S36.31
Stomach, wound/injury/trauma	Gastrointestinal Trauma Abdominal trauma	S36.39
Streptococcus group A (strep pyogenes)	Pathogens	B95.0
Streptococcus group B (strep agalactiae)	Pathogens	B95.1
Streptococcus group D	Pathogens	B95.2
Streptococcus group G	Pathogens	B95.40
Streptococcus pneumoniae	Pathogens	B95.3
Streptococcus, NOS	Pathogens	B95.4
Stridor	Respiratory Symptom/Sign	R06.1
Stroke, NOS	Neuro Cerebral Hemorrhage/Stroke Cardiovascular	I64
Subacute sclerosing panencephalitis (SSPE) (caused by Measles virus)	Infectious disease Neuro Virus Infection with implied pathogen	A81.1
Subarachnoid hemorrhage, injury/trauma	Trauma Neuro Cerebral Hemorrhage/Stroke Hemorrhage Head trauma Cardiovascular	S06.6
Subdural hemorrhage/hematoma, injury/trauma	Trauma Neuro Cerebral Hemorrhage/Stroke Hemorrhage Head trauma Cardiovascular	S06.5
Subdural or epidural hematoma/hemorrhage, nontraumatic	Cerebral Hemorrhage/Stroke Hemorrhage Cardiovascular	I62
Subglottic (tracheal) stenosis or tracheomalacia, iatrogenic	Respiratory Iatrogenic	J95.5
Substances NOS, poisoning	Poisoning Poisoning by non-pharmaceuticals	T65.9
Suicide attempt (intentional self-harm)	Misc Psych	X84
Superficial venous thrombosis/thrombophlebitis, anywhere	Infectious disease Potential infection Venous thromboembolism Cardiovascular	I80.9
Superior vena cava (SVC), injury/trauma	Trauma Thoracic trauma Vascular trauma Cardiovascular	S25.2
Suprapubic catheter, indwelling, has one	Renal/urinary Past medical history Ostomy Has one	Z93.5
Supraventricular tachycardia, paroxysmal	Arrhythmia Cardiovascular	I47.1
Surgery, prophylactic	Healthcare contact	Z40.9
Surgical follow-up care	Misc Healthcare contact	Z48
Symptom or sign involving emotional state, NOS	Misc Symptom/Sign Psych	R45.8
Syncope	Neuro Symptom/Sign Cardiovascular	R55
Syndrome of inappropriate secretion of antidiuretic hormone (SIADH)	Endocrine disorder	E22.2
Synovitis, tenosynovitis, infective (any site)	Infectious disease Musculoskeletal/soft tissue Infection requiring pathogen	M65.1
Synovitis, tenosynovitis, noninfective (any site)	Musculoskeletal/soft tissue	M65.8
Synovitis, tenosynovitis, not specified if infective or noninfective (any site)	Musculoskeletal/soft tissue	M65.9
Synovium rupture, nontraumatic (any site)	Musculoskeletal/soft tissue	M66.1
Synovium, tendon sheath, disorder NOS (any site)	Musculoskeletal/soft tissue	M67
Systemic lupus erythematosis (SLE, lupus)	Heme/immunology Musculoskeletal/soft tissue Vasculitis	M32
T-cell leukemia	Heme/immunology Neoplastic Leukemia	C91.5
T-cell lymphoma	Lymphoma Heme/immunology Neoplastic	C84
Tachycardia	Symptom/Sign Arrhythmia Cardiovascular	R00.0
Takayasu's arteritis (aortic arch syndrome)	Vasculitis Cardiovascular	M31.4
Takotsubo cardiomyopathy/syndrome	Neuro Cardiovascular	I51.81
Tempormandibular joint (TMJ) disorders	Gastrointestinal	K07.6
Tendon, rupture, nontraumatic (any site)	Musculoskeletal/soft tissue	M66.5
Tendonitis, any location	Musculoskeletal/soft tissue	M77.9
Testicular dysfunction, NOS	Reproductive Endocrine disorder	E29
Testing of specimens (fluid or biopsy) from organ or tissue, NOS, abnormal	Testing	R89.9
Testis (testicular), primary malignancy	Neoplastic Reproductive Male genital neoplasm Endocrine neoplasm Primary malignancy	C62
Testis, orchitis	Infectious disease Reproductive Potential infection	N44.91
Testis, testicular torsion	Reproductive	N44
Tetanus infection (due to toxoid of Clostridium tetani)	Infectious disease Neuro Infection with implied pathogen	A35
Tetany	Metabolic/nutrition Neuro Symptom/Sign	R29.0
Tetralogy of Fallot	Hereditary/congenital Cardiovascular	Q21.3
Thalassemia disorder or trait	Heme/immunology Hereditary/congenital Anemia	D56
Thiamine deficiency	Metabolic/nutrition Musculoskeletal/soft tissue	E51.9
Thorax NOS, wound/injury/trauma	Respiratory Trauma Thoracic trauma Cardiovascular	S29
Thorax, blood vessels NOS, injury/trauma	Trauma Thoracic trauma Vascular trauma Cardiovascular	S25.9
Thorax, bones NOS, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Traumatic fracture Thoracic trauma	S22.8
Thorax, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Spine Thoracic trauma Joint/ligament trauma	S23
Thorax, nerves NOS, injury/trauma	Trauma Neuro Spine Thoracic trauma	S24.68
Thorax, open wound, injury/trauma	Trauma Skin Reproductive Thoracic trauma	S21
Thorax, superficial injury/trauma (minor, contusion)	Trauma Skin Thoracic trauma	S20
Threatened abortion	Reproductive Peripartum Hemorrhage Abortion	O20.0
Thrombocytopenia, NOS	Heme/immunology Thrombocytopenia	D69.6
Thromboembolism/embolism, renal vein	Renal/urinary Venous thromboembolism Cardiovascular	I82.3
Thromboembolism/embolism, vena cava	Venous thromboembolism Cardiovascular	I82.2
Thrombolytic drug, adverse effect	Respiratory Neuro Iatrogenic Allergy Adverse effect Cardiovascular	Y44.5
Thrombolytic drug, overdose/toxicity	Respiratory Iatrogenic Overdose Cardiovascular	T45.6
Thrombosis or embolism of artery, NOS	Arterial thromboembolism Cardiovascular	I74
Thrombotic thrombocytopenic purpura (TTP)	Heme/immunology Hereditary/congenital Anemia Vasculitis Thrombocytopenia Cardiovascular	M31.1
Thrush (Candida infection of mouth)	Infectious disease Skin Infection with implied pathogen	B37.9
Thymus, primary malignancy	Heme/immunology Neoplastic Primary malignancy	C37
Thyroid disorder, NOS	Endocrine disorder	E07.9
Thyroid gland, benign neoplasm	Neoplastic Endocrine disorder Endocrine neoplasm Benign neoplasm	D34
Thyroid gland, primary malignancy	Neuro Neoplastic Endocrine neoplasm Primary malignancy	C73
Thyroid storm or crisis (severe thyrotoxicosis)	Endocrine disorder	E05.5
Thyroiditis, NOS	Heme/immunology Endocrine disorder	E06.9
Thyroiditis, acute	Infectious disease Potential infection Endocrine disorder	E06.0
Thyroiditis, autoimmune	Heme/immunology Endocrine disorder	E06.3
Thyroiditis, chronic	Heme/immunology Endocrine disorder	E06.2
Thyroiditis, subacute	Heme/immunology Endocrine disorder	E06.1
Tick-borne viruses (causes of encephalitis)	Infectious disease Pathogens Virus	A84
Tinnitus (ringing of the ears)	ENT Symptom/Sign Cardiovascular	H93.1
Tongue, mouth or pharynx NOS, congenital malformation	Musculoskeletal/soft tissue Hereditary/congenital	Q38
Tonsillitis, acute	Infectious disease ENT Potential infection Upper respiratory tract infection	J03
Tonsillitis, chronic	Respiratory Infectious disease Potential infection Upper respiratory tract infection	J35.0
Tooth, fracture (broken tooth), injury/trauma	Trauma ENT Fracture Musculoskeletal/soft tissue Traumatic fracture Head trauma	S02.5
Toxic alcohols, poisoning	Poisoning Alcohol related Poisoning by non-pharmaceuticals	T51.8
Toxic epidermal necrolysis (TEN)	Heme/immunology Skin	L51.2
Toxic megacolon	Gastrointestinal	K59.3
Toxic shock syndrome	Infectious disease Infection requiring pathogen	A48.3
Toxicology, blood, addictive drugs NOS, positive	Testing	R78.4
Toxicology, blood, alcohol, positive	Testing Alcohol related	R78.0
Toxicology, blood, cocaine, positive	Testing Cocaine related	R78.2
Toxicology, blood, opiates, positive	Testing Opioid related	R78.1
Toxicology, urine, illicit drugs, positive	Misc Testing Addiction	R82.6
Toxoplasmosis OR for buglist Toxoplama gondii	Infectious disease Pathogens Infection with implied pathogen Double duty pathogen	B58
Trachea or bronchus (airways) NOS, wound/injury/trauma	Respiratory Trauma Thoracic trauma Neck trauma	S27.5
Trachea or larynx, stenosis or tracheomalacia	Respiratory	J38.6
Trachea, benign neoplasm	Respiratory Neoplastic Respiratory neoplasm Benign neoplasm	D14.2
Trachea, primary malignancy	Respiratory Neoplastic Respiratory neoplasm Primary malignancy	C33
Tracheostomy complication, NOS	Respiratory Tracheostomy	J95.08
Tracheostomy complication, hemorrhage from site	Respiratory Tracheostomy	J95.00
Tracheostomy complication, infection of site	Respiratory Tracheostomy Infectious disease Infection requiring pathogen	J95.01
Tracheostomy complication, malfunction	Respiratory Tracheostomy	J95.02
Tracheostomy complication, tracheo-esophageal fistula	Respiratory Fistula Tracheostomy	J95.03
Tracheostomy, has one	Respiratory Tracheostomy Misc Past medical history Ostomy Has one	Z93.0
Transfusion-related acute lung injury (TRALI, form of ARDS)	Respiratory Heme/immunology Iatrogenic	J95.81
Transient ischemic attack (TIA), all types	Neuro Cerebral Hemorrhage/Stroke Ischemia Cardiovascular	G45
Transplanted organ NOS, failure or rejection or unspecified complication	Iatrogenic Transplant	T86.88
Transposition of great vessels (corrected or not)	Hereditary/congenital Cardiovascular	Q20.3
Transverse myelitis, acute	Neuro Spine	G37.3
Tremor	Neuro Symptom/Sign	R25.1
Trench foot (immersion foot)	Skin Misc Lower limb trauma Exposure	T69.0
Treponema pallidum (Syphilis)	Infectious disease Pathogens	A53
Tricuspid valve disorder, NOS	Heart valve disease Cardiovascular	I36.9
Tricuspid valve insufficiency	Heart valve disease Cardiovascular	I36.1
Tricuspid valve stenosis	Heart valve disease Cardiovascular	I36.0
Tricyclic antidepressant, adverse effect	Iatrogenic Allergy Adverse effect Antidepressant related	Y49.0
Tricyclic antidepressant, overdose/toxicity	Poisoning Overdose Antidepressant related	T43.0
Trigeminal neuralgia	Neuro	G50.0
Tuberculin skin test (Mantoux), positive	Misc Testing Tuberculosis	R76.1
Tuberculosis of the nervous system	Infectious disease Neuro Tuberculosis Infection with implied pathogen	A17
Tuberculosis of the respiratory system, confirmed	Respiratory Infectious disease Tuberculosis Infection with implied pathogen Pleural abnormalities	A15
Tuberous sclerosis	Skin Hereditary/congenital	Q85.1
Tumor lysis syndrome	Metabolic/nutrition Neoplastic Endocrine disorder	E88.3
Turner syndrome	Misc Hereditary/congenital	Q96
Typhoid fever or Paratyphoid fever (due to Salmonella typhi or Salmonella enterica)	Gastrointestinal Bacteria Infectious disease Infection with implied pathogen	A01
Ulcer of esophagus, NOS	Gastrointestinal GI ulcer	K22.19
Ulcer of esophagus, with hemorrhage	Gastrointestinal Hemorrhage GI ulcer	K22.14
Ulcer of esophagus, with perforation	Gastrointestinal GI ulcer	K22.15
Ulcerative colitis	Gastrointestinal Inflammatory Bowel Disease	K51
Ulna or radius (forearm), fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Upper limb trauma Traumatic fracture	S52
Undescended testicle(s)	Reproductive Hereditary/congenital	Q53
Upper airway obstruction, NOS	Respiratory	J39.8
Upper limb (arm) bones, level not specified/NOS, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Upper limb trauma Traumatic fracture	T10
Upper limb (arm), level not specified/NOS, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation Upper limb trauma	T11.6
Upper limb (arm), level not specified/NOS, blood vessels, wound/injury/trauma	Trauma Neuro Upper limb trauma Vascular trauma	T11.4
Upper limb (arm), level not specified/NOS, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Joint/ligament trauma	T11.2
Upper limb (arm), level not specified/NOS, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Muscles/tendon trauma	T11.5
Upper limb (arm), level not specified/NOS, nerves, wound/injury/trauma	Trauma Neuro Musculoskeletal/soft tissue Upper limb trauma	T11.3
Upper limb (arm), level not specified/NOS, open wound, injury trauma	Trauma Skin Upper limb trauma	T11.1
Upper limb (arm), level not specified/NOS, superficial injury/trauma (minor, contusion)	Trauma Musculoskeletal/soft tissue Upper limb trauma	T11.0
Upper limb (arm), level not specified/NOS, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Upper limb trauma	T11.9
Upper respiratory infection, acute NOS	Infectious disease ENT Infection requiring pathogen Upper respiratory tract infection	J06
Ureter, hydroureter	Renal/urinary	N13.4
Ureter, primary malignancy	Renal/urinary Neoplastic Renal/Urinary neoplasm Primary malignancy	C66
Ureter, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Abdominal trauma	S37.1
Urethra, discharge	Renal/urinary Symptom/Sign	R36
Urethra, disorder NOS	Renal/urinary	N36
Urethra, infectious or noninfectious urethritis	Infectious disease Renal/urinary Potential infection	N34
Urethra, urethral stricture	Renal/urinary	N35
Urethra, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Abdominal trauma	S37.3
Urinary organ NOS, primary malignancy	Renal/urinary Neoplastic Renal/Urinary neoplasm Primary malignancy	C68
Urinary organs/tract, diagnostic imaging, abnormal	Renal/urinary Misc Testing Imaging	R93.4
Urinary retention	Renal/urinary Symptom/Sign	R33
Urinary system NOS, congenital malformation	Hereditary/congenital	Q64
Urinary system NOS, metastatic malignancy to it (also code primary site)	Renal/urinary Neoplastic Metastasis Primary malignancy	C79.0
Urinary system, disorder NOS	Infectious disease Renal/urinary Reproductive Potential infection	N39.9
Urinary tract infection, NOS	Infectious disease Renal/urinary Infection requiring pathogen Urinary tract infection	N39.0
Urinary tract stone (calculus, renal colic)	Renal/urinary	N23
Urinary, pelvic or genitourinary organs NOS, wound/injury/trauma	Trauma Renal/urinary Reproductive Abdominal trauma	S37.8
Urine tests, NOS, abnormal	Neuro Testing	R82.9
Urticaria (hives), any cause	Skin Allergy	L50
Uterine fibroid	Reproductive	D25
Uterus, disorder NOS (noninflammatory, noninfectious)	Misc Reproductive	N85
Uterus, inflammatory or infectious disorder	Reproductive Potential infection	N71
Uterus, primary malignancy	Neoplastic Reproductive Female genital neoplasm Primary malignancy	C54
Uterus, wound/injury/trauma	Trauma Reproductive Abdominal trauma	S37.6
Uterus/cervix NOS, benign neoplasm	Neoplastic Reproductive Female genital neoplasm Benign neoplasm	D26
Vagina or vulva, inflammatory or infectious disorder NOS	Infectious disease Reproductive Potential infection	N76.8
Vagina, disorder NOS (noninflammatory, noninfectious)	Reproductive	N89.9
Vagina, dysplasia	Reproductive	N89.3
Vagina, vaginitis, acute	Infectious disease Reproductive Potential infection	N76.0
Vagina, vaginitis, chronic	Infectious disease Reproductive Potential infection	N76.1
Varicella zoster virus (VZV)	Pathogens Virus	B02
Vascular syndromes of brain in cerebrovascular diseases	Neuro Cardiovascular	G46
Vasculitis limited to skin, NOS	Heme/immunology Skin Vasculitis	L95.9
Vasculopathy/vasculitis, NOS	Heme/immunology Musculoskeletal/soft tissue Vasculitis	M31.8
Venomous animals, poisoning	Poisoning Misc Poisoning by non-pharmaceuticals	T63
Venous thromboembolism/thrombophlebitis NOS (DVT NOS)	Venous thromboembolism Cardiovascular	I82.9
Ventricular fibrillation	Arrhythmia Cardiovascular	I49.0
Ventricular septal defect (VSD), congenital	Cardiac septum problem Hereditary/congenital Cardiovascular	Q21.0
Ventricular tachycardia	Arrhythmia Cardiovascular	I47.2
Vertebra or spinal cord, level not specified/NOS, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Spine Traumatic fracture Abdominal trauma Thoracic trauma Neck trauma	T08
Vertebra, cervical (C-spine), fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Spine Traumatic fracture	S12
Vertebra, lumbar (L-spine), fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Spine Traumatic fracture	S32.0
Vertebra, nontraumatic fracture NOS	Fracture Musculoskeletal/soft tissue Spine Non-traumatic fracture	M48.5
Vertebra, osteoporosis with new pathologic fracture	Metabolic/nutrition Fracture Musculoskeletal/soft tissue Spine Pathologic fracture due to osteoporosis Pathologic fracture Non-traumatic fracture	M80.98
Vertebra, pathologic fracture due to neoplastic disease	Neoplastic Fracture Musculoskeletal/soft tissue Spine Pathologic fracture Pathologic fracture due to neoplasm Non-traumatic fracture Musculoskeletal/soft tissue neoplasm	M49.5
Vertebra, thoracic (T-spine), fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Spine Traumatic fracture	S22.0
Vertebrae (spinal bones, joints), osteoarthritis or degenerative disease	Musculoskeletal/soft tissue Spine	M47.9
Vertebrae, osteomyelitis (bone infection)	Infectious disease Neuro Musculoskeletal/soft tissue Spine Infection requiring pathogen Osteomyelitis	M46.2
Violent behavior	Neuro Symptom/Sign Psych	R45.6
Viral hemorrhagic fever, NOS	Infectious disease Skin Virus Infection requiring pathogen	A99
Viral hepatitis, acute, NOS	Gastrointestinal Infectious disease Hepatitis Virus Infection requiring pathogen	B17.9
Viral hepatitis, chronic, NOS	Infectious disease Hepatitis Virus Infection requiring pathogen	B18.9
Viral infection, NOS	Infectious disease Infection requiring pathogen	B34.9
Virus, NOS	Infectious disease Pathogens Virus Non-specific pathogens	B97.88
Visual disturbance/impairment, NOS	Eye Neuro Symptom/Sign Psych	H54.9
Vitamin D deficiency	Metabolic/nutrition	E55
Vitamin K deficiency	Metabolic/nutrition	E56.1
Vitamin deficiency, NOS	Metabolic/nutrition	E56.9
Vocal cord paralysis	Respiratory	J38.09
Volvulus	Gastrointestinal	K56.2
Von Willebrand's disease (hereditary deficiency of F8 von Willebrand factor)	Heme/immunology Hereditary/congenital	D68.0
Vulva or perineum, disorder NOS (noninflammatory, noninfectious)	Reproductive	N90
Wegener's granulomatosis	Heme/immunology Vasculitis ANCA-associated Vasculitis (AAV)	M31.3
Weight gain, abnormal	Metabolic/nutrition Symptom/Sign Endocrine disorder	R63.5
Weight loss, abnormal	Metabolic/nutrition Symptom/Sign	R63.4
Wernicke's encephalopathy (Wernicke-Korsakoff syndrome)	Metabolic/nutrition Neuro Encephalopathy	E51.2
West Nile virus	Infectious disease Pathogens Virus	A92.3
Wheezing	Respiratory Symptom/Sign	R06.2
Whooping cough (Pertussis) (due to Bordetella pertussis)	Respiratory Infectious disease Infection with implied pathogen	A37
Wolff-Parkinson-White Syndrome (WPW, pre-excitation syndrome)	Cardiovascular	I45.6
Wound/injury/trauma, body region NOS	Trauma	T14.9
Wrist or hand or finger bones, fracture, injury/trauma	Trauma Fracture Musculoskeletal/soft tissue Upper limb trauma Traumatic fracture	S62
Wrist or hand or fingers, amputation, injury/trauma	Trauma Musculoskeletal/soft tissue Traumatic Amputation Upper limb trauma	S68
Wrist or hand or fingers, blood vessels, wound/injury/trauma	Trauma Neuro Musculoskeletal/soft tissue Upper limb trauma Vascular trauma	S65
Wrist or hand or fingers, joints or ligaments, dislocation/sprain/strain, injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Joint/ligament trauma	S63
Wrist or hand or fingers, muscles/tendons, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma Muscles/tendon trauma	S66
Wrist or hand or fingers, nerves, wound/injury/trauma	Trauma Musculoskeletal/soft tissue Upper limb trauma	S64
Wrist or hand or fingers, open wound, injury/trauma	Trauma Skin Musculoskeletal/soft tissue Upper limb trauma	S61
Wrist or hand or fingers, superficial injury/trauma (minor, contusion)	Trauma Upper limb trauma	S60
Wrist or hand or fingers, wound/injury/trauma, NOS	Trauma Musculoskeletal/soft tissue Upper limb trauma	S69
Xray contrast agent, adverse effect	Iatrogenic Allergy Adverse effect	Y57.5
Yellow fever (caused by yellow fever virus)	Infectious disease Virus Infection with implied pathogen	A95
Zoonotic bacterial disease (directly transmitted from animal)	Infectious disease Infection with implied pathogen	A28.9

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