Frequency of US emergency department visits for food-related acute allergic reactions

ICD-9-CM code Description 477.1 Allergic rhinitis due to food 558.3 Allergic gastroenteritis and colitis 692.5 Contact dermatitis due to food in contact with skin 693.1 Dermatitis due to food taken internally 708.x Urticaria 988.0 Toxic effect of fish and shellfish 989.0 Toxic effect of hydrocyanic acid and cyanides 989.9 Toxic effect of unspecified substance 995.0 Other anaphylactic shock 995.1 Angioneurotic edema 995.2 Unspecified adverse effect of drug, etc 995.3 Allergy unspecified 995.4 Shock due to anesthesia 995.60-995.69 Anaphylactic shock due to adverse food reaction with specific codes for unspecified food, peanuts, crustaceans, fruits and vegetables, tree nuts and seeds, fish, food additives, milk products, eggs, other specified food 995.7 Other adverse food reactions not elsewhere classified 999.4 Anaphylactic shock to serum Table I ICD-9-CM codes used to identify food-related acute allergic reactions, including anaphylaxis