ICD-11 classes
11 Diseases of the circulatory system
Diseases of coronary artery
BA81 — Coronary artery aneurysm

ICD-11 BA81 — Coronary artery aneurysm

Coronary dilatation which exceeds the diameter of normal adjacent segments or the diameter of the patient's largest coronary vessel by 1.5 times.

The diagnosis includes nothing.

It excludes 2 items.

  • Congenital coronary arterial aneurysm (LA8C)
  • Mucocutaneous lymph node syndrome (4A44.5)

Diagnosis with code BA81 contains 3 clarifying diagnoses:

  1. BA81.0 — Coronary artery aneurysm with perforation
  2. BA81.1 — Coronary artery aneurysm with rupture
  3. BA81.2 — Coronary artery aneurysm without mention of perforation or rupture

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