Q20
Q20: Congenital malformations of cardiac chambers and connections
Non-billable headerICD-10-CM
Q20 is a non-billable header ICD-10-CM code for congenital malformations of cardiac chambers and connections. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with Q20
Their own Excludes1 notes name this code, so the conflict is not listed above.
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 Q20
9 child codes. Green means billable.
- Q20.0Common arterial trunk
- Q20.1Double outlet right ventricle
- Q20.2Double outlet left ventricle
- Q20.3Discordant ventriculoarterial connection
- Q20.4Double inlet ventricle
- Q20.5Discordant atrioventricular connection
- Q20.6Isomerism of atrial appendages
- Q20.8Other congenital malformations of cardiac chambers and connections
- Q20.9Congenital malformation of cardiac chambers and connections, unspecified