Is I80.221 a billable ICD-10-CM code?

Yes. I80.221 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does I80.221 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 I80.221?

I80.221 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 I80.221 (I80) and apply to it just the same.

I80.221

I80.221 — Phlebitis and thrombophlebitis of right popliteal vein

Billable / specific codeICD-10-CMright

I80.221 is a billable, specific ICD-10-CM code for phlebitis and thrombophlebitis of right popliteal vein. It is valid for submission on a claim.

Excludes1 inherited from the categories above I80.221

These are not written on I80.221, but they bind it: a note on a category applies to every code beneath it. Billing I80.221 with anything listed here is a denial.

Written on I80 — Phlebitis and thrombophlebitis

venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)

Risk adjustment

I80.221 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

I80.221 is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52993Billing and Coding: Peripheral Venous Ultrasound
A52996Billing and Coding: Routine Foot Care
A56232Billing and Coding: Foot Care
A56680Billing and Coding: Routine Foot Care

Code history

I80.221 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 I80.22. If I80.221 is not quite right, the correct code is usually one of these.

Questions about I80.221

Is I80.221 a billable ICD-10-CM code?: Yes. I80.221 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I80.221 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 I80.221?: I80.221 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 I80.221 (I80) and apply to it just the same.