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I82.603

I82.603Acute embolism and thrombosis of unspecified veins of upper extremity, bilateral

Billable / specific codeICD-10-CMbilateral

I82.603 is a billable, specific ICD-10-CM code for acute embolism and thrombosis of unspecified veins of upper extremity, bilateral. It is valid for submission on a claim.

Risk adjustment

I82.603 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

I82.603 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56541Billing and Coding: Biomarkers Overview
  • A56775Billing and Coding: Magnetic Resonance Angiography

Related codes at this level

Codes that share I82.60. If I82.603 is not quite right, the correct code is usually one of these.

Questions about I82.603

Is I82.603 a billable ICD-10-CM code?
Yes. I82.603 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I82.603 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).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.