MCMCB Pro
I87.012

I87.012Postthrombotic syndrome with ulcer of left lower extremity

Billable / specific codeICD-10-CMleft

I87.012 is a billable, specific ICD-10-CM code for postthrombotic syndrome with ulcer of left lower extremity. It is valid for submission on a claim.

Risk adjustment

I87.012 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 383 Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle0.646 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

I87.012 is named in 21 Medicare coverage policies 17 listing it as supporting medical necessity, and 4 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52870Billing and Coding: Treatment of Varicose Veins of the Lower Extremitynot covered
  • A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A57305Billing and Coding: Varicose Veins of the Lower Extremity, Treatment ofnot covered

Related codes at this level

Codes that share I87.01. If I87.012 is not quite right, the correct code is usually one of these.

Questions about I87.012

Is I87.012 a billable ICD-10-CM code?
Yes. I87.012 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I87.012 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.