Is M87.27 a billable ICD-10-CM code?

No. M87.27 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M87.27 sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other osteopathies (M86-M90).

What cannot be coded together with M87.27?

M87.27 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 M87.27 (M87) and apply to it just the same.

M87.27

M87.27 — Osteonecrosis due to previous trauma, ankle, foot and toes

Non-billable headerICD-10-CM

M87.27 is a non-billable header ICD-10-CM code for osteonecrosis due to previous trauma, ankle, foot and toes. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above M87.27

These are not written on M87.27, but they bind it: a note on a category applies to every code beneath it. Billing M87.27 with anything listed here is a denial.

Written on M87 — Osteonecrosis

juvenile osteonecrosis (M91-M92)
osteochondropathies (M90-M93)

Risk adjustment

M87.27 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.

Code history

M87.27 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead M87.27

9 child codes. Green means billable.

Related codes at this level

Codes that share M87.2. If M87.27 is not quite right, the correct code is usually one of these.

Questions about M87.27

Is M87.27 a billable ICD-10-CM code?: No. M87.27 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M87.27 sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other osteopathies (M86-M90).
What cannot be coded together with M87.27?: M87.27 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 M87.27 (M87) and apply to it just the same.