Is I87.309 a billable ICD-10-CM code?

Yes. I87.309 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does I87.309 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 I87.309?

I87.309 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 I87.309 (I87.3) and apply to it just the same.

I87.309

I87.309 — Chronic venous hypertension (idiopathic) without complications of unspecified lower extremity

Billable / specific codeICD-10-CM

I87.309 is a billable, specific ICD-10-CM code for chronic venous hypertension (idiopathic) without complications of unspecified lower extremity. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Chronic venous hypertension NOS

Excludes1 inherited from the categories above I87.309

These are not written on I87.309, but they bind it: a note on a category applies to every code beneath it. Billing I87.309 with anything listed here is a denial.

Written on I87.3 — Chronic venous hypertension (idiopathic)

chronic venous hypertension due to deep vein thrombosis (I87.0-)
varicose veins of lower extremities (I83.-)

Risk adjustment

I87.309 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

I87.309 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52996Billing and Coding: Routine Foot Care

How I87.309 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I87.309.

Hypertension, hypertensive›venous›idiopathic

Code history

I87.309 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 I87.30. If I87.309 is not quite right, the correct code is usually one of these.

Questions about I87.309

Is I87.309 a billable ICD-10-CM code?: Yes. I87.309 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I87.309 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 I87.309?: I87.309 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 I87.309 (I87.3) and apply to it just the same.