Q21.9

Congenital malformation of cardiac septum, unspecified

Coding guidance (WHO 2019)

Septal (heart) defect NOS

Sibling codes

Q21Congenital malformations of cardiac septa Q21.0Ventricular septal defect Q21.1Atrial septal defect Q21.2Atrioventricular septal defect Q21.3Tetralogy of Fallot Q21.4Aortopulmonary septal defect Q21.8Other congenital malformations of cardiac septa