Drilldown: ICD10 Dx

C

• Congestive heart failure, NOS
• Conjunctivitis, any type or cause
• Connective or soft tissue NOS (external or internal), primary malignancy
• Constipation
• Contact dermatitis
• COPD, acute exacerbation
• COPD, without exacerbation
• Cor pulmonale (right heart failure due to lung disease without left heart failure)
• Coronary artery disease, chronic (atherosclerosis, chronic ischemic heart disease)
• Coronavirus
• Creutzfeldt-Jakob disease
• Critical illness polyneuropathy (peripheral)
• Crohn's disease (regional enteritis)
• Cryoglobulinemia
• Cryptococcus
• Crystal arthritis/artropathy, NOS
• Cushing's syndrome, drug-induced
• Cushing's syndrome, NOS
• Cystic fibrosis
• Cytomegalovirus (CMV)

D

• Decubitus (pressure) ulcer, Stage I (surface reddening)
• Decubitus (pressure) ulcer, Stage II (to fascia, just under skin)
• Decubitus (pressure) ulcer, Stage III (deep, to but not including muscle)
• Decubitus (pressure) ulcer, Stage IV (involves muscle, tendon, or bone)
• Decubitus (pressure) ulcer, stage not indicated
• Deep venous thrombosis/thrombophlebitis, leg (DVT)
• Degenerative nervous system disorder, NOS
• Dehydration (volume depletion, hypovolemia)
• Delirium, not due to drugs or alcohol
• Delivery by caesarean section
• Delusional disorder
• Dementia, NOS
• Demyelinating disease of central nervous system, NOS
• Dengue fever (due to Dengue virus)
• Depression (major depressive disorder, recurrent depression)
• Depressive episode without major depressive disorder
• Dermatitis, NOS
• Dermatomyositis/polymyositis
• Dermatophytosis (tineas, cutaneous fungal infection)
• Diabetes insipidus (DI), nephrogenic
• Diabetes insipidus, neurogenic/central (DI)
• Diabetes mellitus chronic complication NOS
• Diabetes mellitus chronic complication: Cardiovascular
• Diabetes mellitus chronic complication: Foot ulcer
• Diabetes mellitus chronic complication: Musculoskeletal
• Diabetes mellitus chronic complication: Nephropathy
• Diabetes mellitus chronic complication: Neuropathy
• Diabetes mellitus chronic complication: Retinopathy
• Diabetes mellitus type 1, with chronic complication (code complications separately)
• Diabetes mellitus type 1, without chronic complications
• Diabetes mellitus type 2 without chronic complications
• Diabetes mellitus type 2, with chronic complication (code complications separately)
• Diabetes mellitus, gestational
• Diabetes mellitus, in poor control
• Diabetes mellitus, type not specified, with chronic complication (code complications separately)
• Diabetes mellitus, type not specified, without chronic complications
• Diabetic coma
• Diabetic ketoacidosis (DKA)
• Diarrhea, noninfectious NOS
• Dieulafoy's lesion of stomach or duodenum, with hemorrhage
• Digestive system NOS, benign neoplasm
• Diptheria (due to Corynebacterium diphtheriae toxin)
• Disease of blood or blood-forming organ, NOS
• Disorder of amino-acid metabolism, NOS
• Disorder of amniotic fluid and/or membranes, NOS
• Disorder of anus or rectum, NOS
• Disorder of appendix, NOS
• Disorder of artery/arteries, NOS
• Disorder of autonomic nervous system (autonomic neuropathy, dysautonomia), any type except diabetic
• Disorder of bilirubin metabolism
• Disorder of capillaries, NOS
• Disorder of carbohydrate metabolism
• Disorder of conjunctiva, NOS
• Disorder of copper metabolism
• Disorder of cranial nerves, NOS
• Disorder of diaphragm
• Disorder of digestive system, NOS
• Disorder of esophagus, NOS
• Disorder of external ear, NOS
• Disorder of eye(s), NOS
• Disorder of eyelid
• Disorder of glycoprotein metabolism
• Disorder of glycosaminoglycan metabolism
• Disorder of hair or hair follicles, NOS

• Disorder of intestines (small or large intestine), NOS
• Disorder of iris or ciliary body of eye
• Disorder of iron metabolism, NOS
• Disorder of jaws, NOS
• Disorder of lacrimal system
• Disorder of ligaments
• Disorder of lipoprotein metabolism NOS
• Disorder of liver, NOS
• Disorder of lung, NOS
• Disorder of lymph nodes and/or lymph vessels, noninfective NOS
• Disorder of mediastinum, NOS
• Disorder of middle ear, NOS
• Disorder of mineral metabolism, NOS
• Disorder of nervous system (any part), NOS
• Disorder of nose and/or sinuses, infectious or noninfectious NOS
• Disorder of ocular muscles
• Disorder of oral mucosa (mouth, lips, tongue), NOS
• Disorder of pericardium, NOS
• Disorder of peritoneum, NOS
• Disorder of puberty
• Disorder of pulmonary vessels, NOS
• Disorder of purine and pyrimidine metabolism
• Disorder of respiratory system, any part, NOS
• Disorder of salivary glands
• Disorder of skin due to radiation (radiation dermatitis)
• Disorder of skin or subcutaneous tissues, NOS
• Disorder of skin pigmentation
• Disorder of sphingolipid metabolism, and other lipid storage disorders
• Disorder of spleen, NOS
• Disorder of stomach or duodenum, NOS
• Disorder of teeth and supporting tissues, NOS
• Disorder of the cardiovascular/circulatory system, NOS
• Disorder of the cornea
• Disorder of the ear, NOS
• Disorder of the immune system, NOS
• Disorder of the inner ear, NOS
• Disorder of the lens of the eye, NOS
• Disorder of the nails
• Disorder of the newborn originating in perinatal period (applies to baby, not mom)
• Disorder of the optic nerve or neural visual pathways, NOS
• Disorder of thymus, NOS
• Disorder of upper respiratory tract, infectious or noninfectious NOS
• Disorder of vein, NOS
• Disorder of vestibular function, NOS
• Disorder of white blood cells, NOS
• Disseminated intravascular coagulation (DIC)
• Dissociative disorder (conversion disorder)
• Diverticulitis, small or large intestine (diverticular disease with perforation or abscess)
• Diverticulosis, small or large intestine (diverticular disease without perforation or abscess)
• Drug-induced dystonic reaction/dystonia
• Duodenal ulcer with perforation
• Duodenal ulcer, NOS
• Duodenal ulcer, with hemorrhage
• Duodenitis
• Duodenum, obstruction

E

• Ear or hearing, congenital malformation
• Eating disorder
• Eaton-Lambert syndrome (Lambert-Eaton myasthenic syndrome)
• Eclampsia (seizures must occur)
• Ectopic pregnancy, with or without rupture
• Effusion of the ear
• Electrolyte disorder, NOS
• Emphysema, mediastinal or interstitial
• Empyema (pyothorax)
• Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, bacterial
• Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, infectious NOS
• Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, noninfectious
• Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, viral
• Encephalopathy, hypertensive
• Encephalopathy, NOS
• Encephalopathy, septic or metabolic
• Encephalopathy, toxic
• Endocarditis, infective, acute or subacute
• Endocarditis, infective, chronic
• Endocarditis, noninfectious, acute or subacute
• Endocrine disorder, NOS
• Endocrine gland NOS, benign neoplasm
• Endocrine gland NOS, primary malignancy
• Endometriosis (any site)
• Endophthalmitis, infectious
• Entamoeba histolytica (amoebic infection of non-intestinal sites)
• Enterococcus species
• Enterovirus - incl coxsackievirus, echovirus
• Eosinophilia

• Eosinophilic pulmonary disease (pulmonary eosinophilia), NOS
• Epididymis, infection (epididymitis)
• Epididymitis or orchitis, NOS (unclear which)
• Epiglotittis, acute
• Epilepsy, or seizure in patient with known epilepsy, any type incl myoclonic
• Erythema multiforme
• Erythema nodosum
• Escherichia coli (E. coli)
• Esophageal varices, NOS
• Esophageal varices, with hemorrhage
• Esophageal varices, without hemorrhage
• Esophagitis, NOS
• Esophagus, benign neoplasm
• Esophagus, obstruction or compression or stricture or stenosis
• Esophagus, primary malignancy
• Essential (primary) tremor
• Essential thrombocythemia/thrombocytosis
• Eustachian tube disorders
• Eye or related structures, benign neoplasm
• Eye, congenital malformation
• Eye, primary malignancy

F

• Face and/or neck, congenital malformation
• Failed abortion
• False labor
• Fat, benign neoplasm
• Fatty liver (hepatosteatosis)
• Fecal impaction
• Female genital prolapse
• Female genital tract, fistula (to anywhere)
• Female genitalia NOS (internal or external), primary malignancy
• Female genitals, benign neoplasm
• Female infertility
• Femur or pelvis, osteoporosis with new pathologic fracture
• Fibromyalgia
• Fibrothorax
• Fistula involving stomach or duodenum
• Food poisoning (due to foodborne bacterial toxin), NOS
• Fournier's gangrene
• Fungemia, NOS
• Fungus or yeast, NOS

G

• Gallbladder or bile duct disorder, NOS
• Gallbladder or bile duct obstruction
• Gallbladder or bile duct perforation or rupture
• Gallbladder, primary malignancy
• Gas gangrene (usually due to Clostridium perfringens)
• Gastric ulcer with perforation
• Gastric ulcer, NOS
• Gastric ulcer, with hemorrhage
• Gastric varices (with or without hemorrhage)
• Gastritis, alcoholic
• Gastritis, hemorrhagic
• Gastritis, NOS
• Gastro-esophageal reflux disease (GERD), with or without esophagitis
• Gastrointestinal hemorrhage (GI bleed), not specified if lower or upper
• Gastrointestinal infection (gastroenteritis, colitis), bacterial, NOS
• Gastrointestinal infection (gastroenteritis, colitis), bug NOS
• Gastrointestinal infection (gastroenteritis, colitis), protozoal, NOS
• Gastrointestinal infection (gastroenteritis, colitis), viral
• Gastrointestinal system NOS, metastatic malignancy to it (also code primary site)
• Gastroparesis
• Gender identity disorder
• German measles, limited to skin
• Gestational hypertension, without proteinuria
• Gestational proteinuria, without hypertension
• GI organ NOS, primary malignancy
• Giant cell arteritis/temporal arteritis
• Gingivitis and periodontal diseases, acute or chronic
• Glaucoma, any type
• Goiter without hyperthyroidism (nontoxic goiter)
• Goodpasture syndrome (hypersensitivity angiitis)
• Gout
• Guillain-Barre syndrome (Acute inflammatory demyelinating polyneuropathy (AIDP))

H

• Haemophilus influenzae (H. flu)
• Hairy cell leukemia
• Hallucinogen, acute intoxication
• Hallucinogen, chronic abuse/dependence/addiction
• Hallucinogen, withdrawal
• Hantavirus infection
• Head and neck and face, primary malignancy
• Headache syndrome, NOS
• Headache, cluster
• Headache, migraine