Q21.2
Q21.2: Atrioventricular septal defect
Non-billable headerICD-10-CM
Q21.2 is a non-billable header ICD-10-CM code for atrioventricular septal defect. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Atrioventricular canal defect
- Endocardial cushion defect
- Ostium primum atrial septal defect (type I)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead Q21.2
4 child codes. Green means billable.