20Developmental anomalies
Structural developmental anomalies primarily affecting one body system
Structural developmental anomalies of the circulatory system
Structural developmental anomaly of heart or great vessels
LA8ACongenital anomaly of a ventriculo-arterial valve or adjacent regions
LA8A.2Congenital anomaly of aortic valve
LA8A.22
category
Bicuspid aortic valve
Definition A congenital abnormality of the heart where the aortic valve has two commissures and two separate leaflets because of fusion or absence of one of the commissures
Also indexed as
Bicuspid aortic valve bicommissural aortic valve
Nearby in Congenital anomaly of aortic valve
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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