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I82.501

I82.501Chronic embolism and thrombosis of unspecified deep veins of right lower extremity

Billable / specific codeICD-10-CMright

I82.501 is a billable, specific ICD-10-CM code for chronic embolism and thrombosis of unspecified deep veins of right lower extremity. It is valid for submission on a claim.

Excludes1 inherited from the categories above I82.501

These are not written on I82.501, but they bind it: a note on a category applies to every code beneath it. Billing I82.501 with anything listed here is a denial.

Written on I82.50 Chronic embolism and thrombosis of unspecified deep veins of lower extremity

  • chronic embolism and thrombosis of unspecified deep veins of distal lower extremity (I82.5Z-)
  • chronic embolism and thrombosis of unspecified deep veins of proximal lower extremity (I82.5Y-)

Written on I82.5 Chronic embolism and thrombosis of deep veins of lower extremity

  • personal history of venous embolism and thrombosis (Z86.718)

Excludes2 inherited from the categories above I82.501

Also inherited, and the opposite of Excludes1: these conditions are not part of I82.501, but a patient can have both, so you may code both.

Written on I82 Other venous embolism and thrombosis

  • venous embolism and thrombosis (of):
  • cerebral (I63.6, I67.6)
  • coronary (I21-I25)
  • intracranial and intraspinal, septic or NOS (G08)
  • intracranial, nonpyogenic (I67.6)
  • intraspinal, nonpyogenic (G95.1)
  • mesenteric (K55.0-)
  • portal (I81)
  • pulmonary (I26.-)

Risk adjustment

I82.501 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

I82.501 is named in 11 Medicare coverage policies 11 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
  • A57594Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies
  • A57954Billing and Coding: Routine Foot Care
  • A60255Billing and Coding: MolDX: Genetic Testing for Hereditary Thrombophilia

Code history

I82.501 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share I82.50. If I82.501 is not quite right, the correct code is usually one of these.

Questions about I82.501

Is I82.501 a billable ICD-10-CM code?
Yes. I82.501 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I82.501 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).
What cannot be coded together with I82.501?
I82.501 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above I82.501 (I82.50, I82.5) and apply to it just the same.
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.