ICD-11 classes
22 Injury, poisoning or certain other consequences of...
Other or unspecified effects of external causes
4A84 — Anaphylaxis
4A84.6 — Anaphylaxis secondary to mast cell disorder
ICD-11 4A84.6 — Anaphylaxis secondary to mast cell disorder
Symptoms of anaphylaxis secondary to mast cell disorders result from excessive mast cell mediator release, especially histamine, and may include pruritus and flushing, abdominal pain, diarrhea, dyspnoea, tachycardia, or profound hypotension. It happens in both children and adults, but in adults it can occur even without urticaria pigmentosa lesions. Levels of basal tryptase are constantly high. Fatal anaphylaxis has been described following hymenoptera stings and in the preoperative period.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere:
- Anaphylaxis #3879