Anaphylactic reaction (anaphylaxis)

ICD10 Diagnosis
Dx:	Anaphylactic reaction (anaphylaxis)
ICD10 code:	T78.2
Pre-ICD10 counterpart:	Anaphylactic Shock, Respiratory failure 2nd anaphylaxis, Upper airway obstruction 2nd angioneurotic edema, Upper airway obstruction 2nd anaphylaxis
Charlson/ALERT Scale:	none
APACHE Como Component:	none
APACHE Acute Component:	none
Start Date:
Stop Date:
Data Dependencies(Reports/Indicators/Data Elements):	No results
External ICD10 Documentation	ICD-10 CM Wikipedia ICD-10 Wikipedia WHO ICD10 documentation ICD10data.com

This diagnosis is a part of ICD10 collection.

Additional Info

Includes:

anaphylaxis of any severity
anaphylactic shock

Also, code the substance, if known:

Allergy codes:
Acetaminophen (tylenol, paracematol), adverse effect Allergic bronchopulmonary aspergillosis (ABPA) Allergic reaction (allergy), NOS Anesthetic gas, adverse effect Angioedema (angioneurotic edema) Anti-arrhythmic, adverse effect Anti-arrhythmic, overdose/toxicity Antibiotic/antimicrobial, adverse effect Anticoagulant, adverse effect Antidepressant drug NOS, adverse effect Antineoplastic/chemotherapy or immunosuppressive drugs, adverse effect Antiseizure drug NOS, adverse effect Aspirin or other salicylate or NSAID, adverse effect Benzodiazepine, adverse effect Beta-blocker, adverse effect Calcium channel blocker drug, adverse effect Cardiac/cardiovascular drug NOS, adverse effect Churg-Strauss syndrome (eosinophilic granulomatosis with polyangiitis (EGPA), allergic granulomatous angiitis) Drug or biological substance/agent NOS, adverse effect Food, poisoning Hallucinogen, adverse effect Hormone or hormone agonist drug, adverse effect Hypersensitivity pneumonitis (extrinsic allergic alveoliltis), NOS Insulin or antidiabetic drug, adverse effect Neuromuscular blocker/paralytic, adverse effect Opioid/narcotic, adverse effect Psychiatric drug NOS, adverse effect Rhinitis, allergic or vasomotor Sedative or hypnotic, adverse effect Skin rash, drug-induced (drug eruption) Skin, rash NOS Thrombolytic drug, adverse effect Tricyclic antidepressant, adverse effect Urticaria (hives), any cause Xray contrast agent, adverse effect

Alternate ICD10s to consider coding instead or in addition

Allergy codes:
Acetaminophen (tylenol, paracematol), adverse effect Allergic bronchopulmonary aspergillosis (ABPA) Allergic reaction (allergy), NOS Anesthetic gas, adverse effect Angioedema (angioneurotic edema) Anti-arrhythmic, adverse effect Anti-arrhythmic, overdose/toxicity Antibiotic/antimicrobial, adverse effect Anticoagulant, adverse effect Antidepressant drug NOS, adverse effect Antineoplastic/chemotherapy or immunosuppressive drugs, adverse effect Antiseizure drug NOS, adverse effect Aspirin or other salicylate or NSAID, adverse effect Benzodiazepine, adverse effect Beta-blocker, adverse effect Calcium channel blocker drug, adverse effect Cardiac/cardiovascular drug NOS, adverse effect Churg-Strauss syndrome (eosinophilic granulomatosis with polyangiitis (EGPA), allergic granulomatous angiitis) Drug or biological substance/agent NOS, adverse effect Food, poisoning Hallucinogen, adverse effect Hormone or hormone agonist drug, adverse effect Hypersensitivity pneumonitis (extrinsic allergic alveoliltis), NOS Insulin or antidiabetic drug, adverse effect Neuromuscular blocker/paralytic, adverse effect Opioid/narcotic, adverse effect Psychiatric drug NOS, adverse effect Rhinitis, allergic or vasomotor Sedative or hypnotic, adverse effect Skin rash, drug-induced (drug eruption) Skin, rash NOS Thrombolytic drug, adverse effect Tricyclic antidepressant, adverse effect Urticaria (hives), any cause Xray contrast agent, adverse effect

shock codes:
Iatrogenic, hypotension/shock, postoperative/post-procedural Shock, NOS Shock, cardiogenic Shock, hypovolemic shock or hemorrhagic shock Shock, septic

Candidate Combined ICD10 codes

Also, code the substance, if known:

Allergy codes:
Acetaminophen (tylenol, paracematol), adverse effect Allergic bronchopulmonary aspergillosis (ABPA) Allergic reaction (allergy), NOS Anesthetic gas, adverse effect Angioedema (angioneurotic edema) Anti-arrhythmic, adverse effect Anti-arrhythmic, overdose/toxicity Antibiotic/antimicrobial, adverse effect Anticoagulant, adverse effect Antidepressant drug NOS, adverse effect Antineoplastic/chemotherapy or immunosuppressive drugs, adverse effect Antiseizure drug NOS, adverse effect Aspirin or other salicylate or NSAID, adverse effect Benzodiazepine, adverse effect Beta-blocker, adverse effect Calcium channel blocker drug, adverse effect Cardiac/cardiovascular drug NOS, adverse effect Churg-Strauss syndrome (eosinophilic granulomatosis with polyangiitis (EGPA), allergic granulomatous angiitis) Drug or biological substance/agent NOS, adverse effect Food, poisoning Hallucinogen, adverse effect Hormone or hormone agonist drug, adverse effect Hypersensitivity pneumonitis (extrinsic allergic alveoliltis), NOS Insulin or antidiabetic drug, adverse effect Neuromuscular blocker/paralytic, adverse effect Opioid/narcotic, adverse effect Psychiatric drug NOS, adverse effect Rhinitis, allergic or vasomotor Sedative or hypnotic, adverse effect Skin rash, drug-induced (drug eruption) Skin, rash NOS Thrombolytic drug, adverse effect Tricyclic antidepressant, adverse effect Urticaria (hives), any cause Xray contrast agent, adverse effect

if patient has upper airway obstruction with anaphylaxis, code as follows:
Anaphylactic reaction (anaphylaxis)
plus one or the other of:
- Disorder of upper respiratory tract, infectious or noninfectious NOS
- Edema, localized NOS

Related CCI Codes

Related articles:
Other respiratory problems (← links) Anaphylactic Shock (← links) Respiratory failure 2nd anaphylaxis (← links) Upper airway obstruction 2nd anaphylaxis (← links) Toxic shock syndrome (← links) Hyperkalemia (← links) Hypotension, orthostatic (← links) Hypotension, drug-induced (← links) Hypotension, NOS (← links) Allergic bronchopulmonary aspergillosis (ABPA) (← links) Hypersensitivity pneumonitis (extrinsic allergic alveoliltis), NOS (← links) Pulmonary edema that is not from heart disease (← links) Skin rash, drug-induced (drug eruption) (← links) Urticaria (hives), any cause (← links) Skin, rash NOS (← links) Shock, cardiogenic (← links) Shock, hypovolemic shock or hemorrhagic shock (← links) Shock, septic (← links) Shock, NOS (← links) Food, poisoning (← links) Angioedema (angioneurotic edema) (← links) Allergic reaction (allergy), NOS (← links) Iatrogenic, hypotension/shock, postoperative/post-procedural (← links) Drug or biological substance/agent NOS, adverse effect (← links) Antibiotic/antimicrobial, adverse effect (← links) Insulin or antidiabetic drug, adverse effect (← links) Hormone or hormone agonist drug, adverse effect (← links) Antineoplastic/chemotherapy or immunosuppressive drugs, adverse effect (← links) Thrombolytic drug, adverse effect (← links) Opioid/narcotic, adverse effect (← links) Aspirin or other salicylate or NSAID, adverse effect (← links) Acetaminophen (tylenol, paracematol), adverse effect (← links) Antiseizure drug NOS, adverse effect (← links) Benzodiazepine, adverse effect (← links) Sedative or hypnotic, adverse effect (← links) Anesthetic gas, adverse effect (← links) Tricyclic antidepressant, adverse effect (← links) Antidepressant drug NOS, adverse effect (← links) Psychiatric drug NOS, adverse effect (← links) Cardiac/cardiovascular drug NOS, adverse effect (← links) Neuromuscular blocker/paralytic, adverse effect (← links) Sepsis (SIRS due to infection, without acute organ failure) (← links) Severe sepsis (← links) ICD10 Diagnosis List (← links) Shock liver in ICD10 (← links) List of ICD10 Diagnoses we don't code (← links) ICD10 Category (← links) Neuromuscular blocker/paralytic, overdose/toxicity (← links) Template:ICD10 Guideline Sepsis (← links)

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

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ICD10 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 Deep Tissue Damage, Decubitus Stage 1, Decubitus Stage 2, Decubitus Stage 3, Decubitus Stage 4, Decubitus Stage Not Indicated, Decubitus Stage not indicated, Decubitus heel, Decubitus other area, Decubitus sacral area, Decubitus ulcer, Delirium, Dementia, Diabetes, Diagnosis implying death, Double duty pathogen, ENT, Electrolyte disturbance, 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... further results