BA81

ICD-11 MMS 2026-01

Coronary artery aneurysm

Description

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

Index terms

  • Coronary artery aneurysm

Excludes

  • 4A44.5 – Mucocutaneous lymph node syndrome
  • LA8C.Y – Congenital coronary arterial aneurysm

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Child codes

  • BA81.0 – Coronary artery aneurysm with perforation
  • BA81.1 – Coronary artery aneurysm with rupture
  • BA81.2 – Coronary artery aneurysm without mention of perforation or rupture

Sibling codes

  • BA82 – Coronary artery dissection
  • BA83 – Coronary artery fistula, acquired
  • BA84 – Chronic total occlusion of coronary artery
  • BA85 – Coronary vasospastic disease
  • BA86 – Coronary microvascular disease
  • BA8Y – Other specified diseases of coronary artery
  • BA8Z – Diseases of coronary artery, unspecified

Foundation entity

Coronary artery aneurysm – http://id.who.int/icd/entity/777924269

Allowed postcoordination axes

Part of: 11: Diseases of the circulatory system