I82.A21
I82.A21 — Chronic embolism and thrombosis of right axillary vein
Billable / specific codeICD-10-CMright
I82.A21 is a billable, specific ICD-10-CM code for chronic embolism and thrombosis of right axillary vein. It is valid for submission on a claim.
Risk adjustment
I82.A21 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.A21 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52993Billing and Coding: Peripheral Venous Ultrasound
- A56414Billing and Coding: Endovenous Stenting
- A56541Billing and Coding: Biomarkers Overview
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
Related codes at this level
Codes that share I82.A2. If I82.A21 is not quite right, the correct code is usually one of these.
Questions about I82.A21
- Is I82.A21 a billable ICD-10-CM code?
- Yes. I82.A21 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I82.A21 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).