I82.221 — Chronic embolism and thrombosis of inferior vena cava
I82.221 is a billable, specific ICD-10-CM code for chronic embolism and thrombosis of inferior vena cava. It is valid for submission on a claim.
Risk adjustment
I82.221 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 267 Deep Vein Thrombosis and Pulmonary Embolism0.294 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
I82.221 is named in 18 Medicare coverage policies — 18 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52868Billing and Coding: Transesophageal Echocardiography (TEE)
- A56414Billing and Coding: Endovenous Stenting
- A56505Billing and Coding: Transesophageal Echocardiography (TEE)
- A56541Billing and Coding: Biomarkers Overview
How I82.221 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 I82.221.
- Embolism›vena cava›inferior›chronic
- Thrombosis, thrombotic›vena cava›inferior›chronic
Related codes at this level
Codes that share I82.22. If I82.221 is not quite right, the correct code is usually one of these.
Questions about I82.221
- Is I82.221 a billable ICD-10-CM code?
- Yes. I82.221 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I82.221 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89).