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BA81 Coronary artery aneurysm

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

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

exclusions

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

sections/codes in this section ()

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

postcoordination

synonyms

• Coronary artery aneurysm

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