MCMCB Pro
I80.259

I80.259Phlebitis and thrombophlebitis of unspecified calf muscular vein

Billable / specific codeICD-10-CM

I80.259 is a billable, specific ICD-10-CM code for phlebitis and thrombophlebitis of unspecified calf muscular vein. It is valid for submission on a claim.

Risk adjustment

I80.259 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

I80.259 is named in 5 Medicare coverage policies 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56680Billing and Coding: Routine Foot Care
  • A56697Billing and Coding: Non-Invasive Vascular Studies
  • A56775Billing and Coding: Magnetic Resonance Angiography
  • A57193Billing and Coding: Routine Foot Care and Debridement of Nails

Related codes at this level

Codes that share I80.25. If I80.259 is not quite right, the correct code is usually one of these.

Questions about I80.259

Is I80.259 a billable ICD-10-CM code?
Yes. I80.259 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I80.259 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.