MCMedicalCodingSoftware
I87.099

I87.099: Postthrombotic syndrome with other complications of unspecified lower extremity

Billable / specific codeICD-10-CM

I87.099 is a billable, specific ICD-10-CM code for postthrombotic syndrome with other complications of unspecified lower extremity. It is valid for submission on a claim.

Check I87.099 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above I87.099

A category’s note binds every code beneath it.

Written on I87.0: Postthrombotic syndrome

  • chronic venous hypertension without deep vein thrombosis (I87.3-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I87.099 is named in 2 Medicare coverage policies: 1 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A57305Billing and Coding: Varicose Veins of the Lower Extremity, Treatment ofnot covered
  • A52996Billing and Coding: Routine Foot Care

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I87.09

ICD-10-CMFY2027· effective October 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.