Q21.4

Aortopulmonary septal defect

Coding guidance (WHO 2019)

Aortic septal defect Aortopulmonary window

Sibling codes

Q21Congenital malformations of cardiac septa Q21.0Ventricular septal defect Q21.1Atrial septal defect Q21.2Atrioventricular septal defect Q21.3Tetralogy of Fallot Q21.8Other congenital malformations of cardiac septa Q21.9Congenital malformation of cardiac septum, unspecified