M42
M42 — Spinal osteochondrosis
Non-billable headerICD-10-CM
M42 is a non-billable header ICD-10-CM code for spinal osteochondrosis. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with M42
These codes carry an Excludes1 note pointing at M42. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading M42 alone.
- M40.0Postural kyphosis
Risk adjustment
M42 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 to one of these instead M42
3 child codes. Green means billable.
Questions about M42
- Is M42 a billable ICD-10-CM code?
- No. M42 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does M42 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Deforming dorsopathies (M40-M43).