I71.012
I71.012: Dissection of descending thoracic aorta
Billable / specific codeICD-10-CM
I71.012 is a billable, specific ICD-10-CM code for dissection of descending thoracic aorta. It is valid for submission on a claim.
Check I71.012 with the rest of the claim: free scrubberOther codes that can never be billed with I71.012
Their own Excludes1 notes name this code, so the conflict is not listed above.
- I77.81Aortic ectasia
Risk adjustment
I71.012 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 264 Vascular Disease with Complications0.455 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
I71.012 is named in 32 Medicare coverage policies: 32 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)
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
Alphabetic index entries that lead here
- Dissection›aorta›thoracic›descending thoracic aorta
Code history
Unchanged in every release from FY2024 to FY2027.