I74.19 — Embolism and thrombosis of other parts of aorta
I74.19 is a billable, specific ICD-10-CM code for embolism and thrombosis of other parts of aorta. It is valid for submission on a claim.
Risk adjustment
I74.19 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
I74.19 is named in 16 Medicare coverage policies — 16 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
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56476Billing and Coding: Cardiac Radionuclide Imaging
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
How I74.19 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 I74.19.
- Thrombosis, thrombotic›aorta, aortic›specified site NEC
Related codes at this level
Codes that share I74.1. If I74.19 is not quite right, the correct code is usually one of these.
Questions about I74.19
- Is I74.19 a billable ICD-10-CM code?
- Yes. I74.19 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I74.19 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).