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IPCCC ICD-11 Congenital Heart Atlas

You are here: Aortic annular hypoplasia Congenital anomaly of aortic valve Congenital anomaly of a ventriculo-arterial valve or adjacent regions Structural developmental anomaly of heart or great vessels

IPCCC Term Aortic annular hypoplasia
IPCCC Code 09.15.17
ICD-11 Code 801311773


A congenital cardiovascular malformation of the aortic valve in which its 'annulus' is hypoplastic (incomplete development or underdevelopment so that it is abnormally small [below the lower limit of normal adjusted for body size]).


Hypoplasia of the aortic annulus

STS-EACTS-derived IPCCC term

Aortic valve pathology, Aortic valvar 'annulus' hypoplasia

EPCC-derived IPCCC term

Aortic 'annular' hypoplasia

ICD-11 MMS code or crossmap

LA8A.2Y*: This Foundation term is not in ICD-11 MMS. If using MMS to code, crossmap to "Other specified congenital anomaly of aortic valve" with code LA8A.2Y

ICD-10 MMS code or crossmap

Q23.0**: This Foundation term is not in ICD-10. If using ICD-10 to code, crossmap to "Congenital stenosis of aortic valve (includes "Aortic atresia")" with code Q23.0


Congenital anomaly of aortic valve


Coding Notes


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