ICD-11 classes
22 Injury, poisoning or certain other consequences of...
Other or unspecified effects of external causes
4A84 — Anaphylaxis

ICD-11 4A84 — Anaphylaxis

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.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 4A84 contains 9 clarifying diagnoses:

1. 4A84.0 — Anaphylaxis due to allergic reaction to food
2. 4A84.1 — Drug-induced anaphylaxis
3. 4A84.2 — Anaphylaxis due to insect venom
4. 4A84.3 — Anaphylaxis provoked by physical factors
   It contains 4 clarifying diagnoses.
5. 4A84.4 — Anaphylaxis due to inhaled allergens
6. 4A84.5 — Anaphylaxis due to contact with allergens
7. 4A84.6 — Anaphylaxis secondary to mast cell disorder
8. 4A84.Y — Other specified anaphylaxis
9. 4A84.Z — Anaphylaxis, unspecified

The diagnosis is coded elsewhere:

• Allergic or hypersensitivity conditions #3725
• Anaphylaxis #3879