Q23.0
Q23.0: Congenital stenosis of aortic valve
Billable / specific codeICD-10-CMPOA exempt
Q23.0 is a billable, specific ICD-10-CM code for congenital stenosis of aortic valve. It is valid for submission on a claim.
Check Q23.0 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Congenital aortic atresia
- Congenital aortic stenosis NOS
Other codes that can never be billed with Q23.0
Their own Excludes1 notes name this code, so the conflict is not listed above.
- Q25.3Supravalvular aortic stenosis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Q23.0 is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A52868Billing and Coding: Transesophageal Echocardiography (TEE)
- A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
- A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
Alphabetic index entries that lead here
- Atresia, atretic›aortic(orifice) (valve)
- Stenosis, stenotic›aortic›congenital
- Stenosis, stenotic›valve›congenital›aortic
- Stricture›heart›valve›aortic
- Stricture›valve›congenital›aortic
- Anomaly, anomalous›heart›valve NEC›aortic›stenosis
Code history
Unchanged in every release from FY2024 to FY2027.