I71.11 — Aneurysm of the ascending aorta, ruptured
I71.11 is a billable, specific ICD-10-CM code for aneurysm of the ascending aorta, ruptured. It is valid for submission on a claim.
Risk adjustment
I71.11 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.
Medicare coverage
I71.11 is named in 29 Medicare coverage policies — 29 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A52868Billing and Coding: Transesophageal Echocardiography (TEE)
- A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
How I71.11 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I71.11.
- Rupture, ruptured›aorta, aortic›ascending
- Aneurysm›aorta, aortic›ascending›ruptured
- Aneurysm›aorta, aortic›thorax, thoracic›ascending›ruptured
- Aneurysm›aorta, aortic›thorax, thoracic›ruptured›ascending
Related codes at this level
Codes that share I71.1. If I71.11 is not quite right, the correct code is usually one of these.
Questions about I71.11
- Is I71.11 a billable ICD-10-CM code?
- Yes. I71.11 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I71.11 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).