If you have feedback, let us know.

IPCCC ICD-11 Congenital Heart Atlas

You are here: Outlet muscular ventricular septal defect with posteriorly malaligned outlet septum ⇗ Outlet ventricular septal defect with posteriorly malaligned outlet septum ⇗ Outlet ventricular septal defect ⇗ Ventricular septal defect ⇗ Congenital anomaly of ventricular septum ⇗ Congenital anomaly of a ventricle or the ventricular septum ⇗ Structural developmental anomaly of heart or great vessels

IPCCC Term Outlet muscular ventricular septal defect with posteriorly malaligned outlet septum
IPCCC Code 07.11.16
ICD-11 MMS LA88.4Y
ICD-11 Code 903557561

Definition

A congenital cardiac malformation in which there is an outlet ventricular septal defect with exclusively muscular borders, and the muscular outlet septum is malaligned in a postero-caudal fashion with respect to the trabecular muscular septum such that there is usually obstruction to the left ventricular outflow tract.

Synonyms/Abbreviations

Muscular ventricular septal defect opening into right ventricular outlet with posterior malalignment of outlet septum, Muscular outlet ventricular septal defect "coarctation type"; Muscular outlet ventricular septal defect with posteriorly malaligned outlet septum

STS-EACTS-derived IPCCC term

VSD, Type 1 (Subarterial) (Supracristal) (Conal septal defect) (Infundibular), Outlet muscular ventricular septal defect with posteriorly malaligned outlet septum

EPCC-derived IPCCC term

Outlet muscular ventricular septal defect (VSD) with posteriorly malaligned outlet septum

ICD-11 MMS code or crossmap

LA88.4Y*: This ICD-11 Foundation term is not in ICD-11MMS. If using ICD-11MMS to code for this term, crossmap to the higher order term “Other specified ventricular septal defect” with code LA88.4Y

ICD-10 MMS code or crossmap

Q21.0**: This term is not in ICD-10. If coding using ICD-10, use the higher order term “Ventricular septal defect” with code Q21.0

Parent

Outlet ventricular septal defect with posteriorly malaligned outlet septum

Siblings

Coding Notes

None