Q21
Congenital malformations of cardiac septa
Non-billableCategory
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with Q21
- I51.0 - acquired cardiac septal defect (I51.0)
Specific Codes (7)
Q21.0Billable
Ventricular septal defect
Q21.1Category
Atrial septal defect
Q21.2Category
Atrioventricular septal defect
Q21.3Billable
Tetralogy of Fallot
Q21.4Billable
Aortopulmonary septal defect
Q21.8Billable
Other congenital malformations of cardiac septa
Q21.9Billable
Congenital malformation of cardiac septum, unspecified


