Is M41.5 a billable ICD-10-CM code?

No. M41.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M41.5 sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Deforming dorsopathies (M40-M43).

What cannot be coded together with M41.5?

M41.5 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 M41.5 (M41) and apply to it just the same.

M41.5

M41.5 — Other secondary scoliosis

Non-billable headerICD-10-CM

M41.5 is a non-billable header ICD-10-CM code for other secondary scoliosis. It cannot be billed on its own: choose one of the more specific child codes below.

Code first

The underlying condition must be sequenced before this code.

underlying disease

Excludes1 inherited from the categories above M41.5

These are not written on M41.5, but they bind it: a note on a category applies to every code beneath it. Billing M41.5 with anything listed here is a denial.

Written on M41 — Scoliosis

congenital scoliosis NOS (Q67.5)
congenital scoliosis due to bony malformation (Q76.3)
postural congenital scoliosis (Q67.5)
kyphoscoliotic heart disease (I27.1)

Excludes2 inherited from the categories above M41.5

Also inherited, and the opposite of Excludes1: these conditions are not part of M41.5, but a patient can have both, so you may code both.

Written on M41 — Scoliosis

postprocedural scoliosis (M96.89)
postradiation scoliosis (M96.5)

Other codes that can never be billed with M41.5

These codes carry an Excludes1 note pointing at M41.5. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading M41.5 alone.

M40Kyphosis and lordosis

Risk adjustment

M41.5 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

M41.5 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 M41.5

7 child codes. Green means billable.

Related codes at this level

Codes that share M41. If M41.5 is not quite right, the correct code is usually one of these.

Questions about M41.5

Is M41.5 a billable ICD-10-CM code?: No. M41.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M41.5 sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Deforming dorsopathies (M40-M43).
What cannot be coded together with M41.5?: M41.5 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 M41.5 (M41) and apply to it just the same.