ICD-11 classes
04 Diseases of the immune system
Allergic or hypersensitivity conditions
4A84 — Anaphylaxis
4A84.1 — Drug-induced anaphylaxis

ICD-11 4A84.1 — Drug-induced anaphylaxis

Anaphylaxis attributable to a drug. When severe it may be fatal. This systemic reaction usually develops within minutes to hours of administration of the drug, is often severe and may be fatal. The most frequent drugs causing anaphylaxis are antibiotics, particularly penicillins. Clinically there may be premonitory dizziness or faintness, skin tingling and erythema, followed by urticaria, angio-oedema, bronchospasm, abdominal pain and vasomotor collapse.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Drug-induced urticaria, angioedema and anaphylaxis #3846
• Drug-induced urticaria, angioedema and anaphylaxis #3902
• Drug-induced urticaria, angioedema and anaphylaxis #15745
• Drug-induced urticaria, angioedema and anaphylaxis #17053
• Anaphylaxis #27580