Q213-char group

Congenital malformations of cardiac septa

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

●Avoid — more specific 4-5 char codes exist (see below)

Coding guidance (WHO 2019)

Excl.: acquired cardiac septal defect (I51.0)

Codes within Q21

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 Q21.9Congenital malformation of cardiac septum, unspecified