ICD-11 classes
04 Diseases of the immune system
Allergic or hypersensitivity conditions
4A85 — Complex allergic or hypersensitivity conditions
4A85.2 — Food hypersensitivity

ICD-11 4A85.2 — Food hypersensitivity

Food hypersensitivity reactions are adverse effects of food or food additives that clinically resemble allergy. Food allergy is an adverse reaction to food mediated by an immunologic mechanism, involving specific IgE (IgE-mediated), cell-mediated mechanisms (non-IgE-mediated) or both IgE- and cell-mediated mechanisms (mixed IgE- and non-IgE-mediated).

The diagnosis includes nothing.

Diagnosis with code 4A85.2 contains 9 clarifying diagnoses:

1. 4A85.20 — Food-induced gastrointestinal hypersensitivity
   It contains 4 clarifying diagnoses.
2. 4A85.21 — Food-induced urticaria or angioedema
3. 4A85.22 — Allergic contact dermatitis due to food allergen
   It contains 1 clarifying diagnosis.
4. EK10.0 — Oral allergy syndrome
5. EK10.1 — Contact urticaria due to food allergen
6. 4A84.0 — Anaphylaxis due to allergic reaction to food
7. 4A80.1 — Bronchospasm provoked by allergy to food substance
8. 4A85.2Y — Other specified food hypersensitivity
9. 4A85.2Z — Food hypersensitivity, unspecified