M21.15
M21.15 — Varus deformity, not elsewhere classified, hip
Non-billable headerICD-10-CM
M21.15 is a non-billable header ICD-10-CM code for varus deformity, not elsewhere classified, hip. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
M21.15 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.
How M21.15 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 M21.15.
- Deformity›varus NEC›hip
Code to one of these instead M21.15
3 child codes. Green means billable.
Related codes at this level
Codes that share M21.1. If M21.15 is not quite right, the correct code is usually one of these.
Questions about M21.15
- Is M21.15 a billable ICD-10-CM code?
- No. M21.15 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does M21.15 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other joint disorders (M20-M25).