4A84
Anaphylaxis
Anafilaxia
CategoryDefinition
Anaphylaxis is a severe, life-threatening systemic hypersensitivity reaction characterised by being rapid in onset with potentially life-threatening airway, breathing, or circulatory problems and is usually, although not always, associated with skin and mucosal changes.
Subcategories (7)
4A84.0Anaphylaxis due to allergic reaction to food4A84.1Drug-induced anaphylaxis4A84.2Anaphylaxis due to insect venom4A84.3Anaphylaxis provoked by physical factors4A84.4Anaphylaxis due to inhaled allergens4A84.5Anaphylaxis due to contact with allergens4A84.6Anaphylaxis secondary to mast cell disorder