ICD-11 classes
04 Diseases of the immune system
Allergic or hypersensitivity conditions
4A83 — Allergic or hypersensitivity disorders involving the...
DA42.4 — Allergic gastritis
ICD-11 DA42.4 — Allergic gastritis
Gastritis due to allergic disorders, principally meaning acute gastritis that occurs secondary to food allergy. But this also includes allergic gastritis due to non-food substances and allergic gastritis due to non-IgE-mediated hypersensitivity. This includes gastroduodenitis and gastroenteritis.
The diagnosis includes nothing.
It excludes 2 items.
- Allergic eosinophilic gastritis (DA42.2)
- Food-induced eosinophilic gastroenteritis (4A83.0)
Diagnosis with code DA42.4 contains 4 clarifying diagnoses:
- DA42.40 — Allergic gastritis due to IgE-mediated hypersensitivity
- DA42.41 — Allergic gastritis due to non-IgE-mediated hypersensitivity
- DA42.4Y — Other specified allergic gastritis
- DA42.4Z — Allergic gastritis, unspecified
The diagnosis is coded elsewhere:
- Gastritis #13621
- Allergic gastritis #13627