Is I87.091 a billable ICD-10-CM code?

Yes. I87.091 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does I87.091 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 I87.091?

I87.091 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 I87.091 (I87.0) and apply to it just the same.

I87.091

I87.091 — Postthrombotic syndrome with other complications of right lower extremity

Billable / specific codeICD-10-CMright

I87.091 is a billable, specific ICD-10-CM code for postthrombotic syndrome with other complications of right lower extremity. It is valid for submission on a claim.

Excludes1 inherited from the categories above I87.091

These are not written on I87.091, but they bind it: a note on a category applies to every code beneath it. Billing I87.091 with anything listed here is a denial.

Written on I87.0 — Postthrombotic syndrome

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

Risk adjustment

I87.091 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

I87.091 is named in 13 Medicare coverage policies — 11 listing it as supporting medical necessity, and 2 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
A57305Billing and Coding: Varicose Veins of the Lower Extremity, Treatment ofnot covered
A52993Billing and Coding: Peripheral Venous Ultrasound
A52996Billing and Coding: Routine Foot Care

Code history

I87.091 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 I87.09. If I87.091 is not quite right, the correct code is usually one of these.

Questions about I87.091

Is I87.091 a billable ICD-10-CM code?: Yes. I87.091 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I87.091 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 I87.091?: I87.091 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 I87.091 (I87.0) and apply to it just the same.