LA8A.21

ICD-11 MMS 2026-01

Congenital aortic regurgitation

Description

Congenital cardiovascular malformation of the aortic valve allowing backward flow into the ventricle. Additional information: congenital aortic regurgitation is rare as an isolated entity. Aortic regurgitation is more commonly seen with other associated congenital cardiac anomalies.

Index terms

  • Congenital aortic regurgitation
  • congenital AI - [aortic insufficiency]
  • congenital aortic incompetence
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  • congenital aortic insufficiency
  • congenital aortic valvular insufficiency
  • congenital insufficiency of aortic valve

Exclusions from above levels

  • LA85.4 – Common arterial trunk
  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LA8A.20 – Congenital aortic valvar stenosis
  • LA8A.22 – Bicuspid aortic valve
  • LA8A.23 – Aortic valvar atresia
  • LA8A.24 – Unicuspid aortic valve
  • LA8A.2Y – Other specified congenital anomaly of aortic valve
  • LA8A.2Z – Congenital anomaly of aortic valve, unspecified

Foundation entity

Congenital aortic regurgitation – http://id.who.int/icd/entity/167104804

Part of: LA8A.2: Congenital anomaly of aortic valve › LA8A: Congenital anomaly of a ventriculo-arterial valve or adjacent regions › 20: Developmental anomalies