MCMCB Pro
I82.409

I82.409Acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity

Billable / specific codeICD-10-CM

I82.409 is a billable, specific ICD-10-CM code for acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity. It is valid for submission on a claim.

Risk adjustment

I82.409 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

I82.409 is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A60255Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia
  • A60271Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia
  • A60293Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia
  • A60307Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia

Related codes at this level

Codes that share I82.40. If I82.409 is not quite right, the correct code is usually one of these.

Questions about I82.409

Is I82.409 a billable ICD-10-CM code?
Yes. I82.409 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I82.409 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.