Is M17 a billable ICD-10-CM code?

No. M17 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M17 sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Osteoarthritis (M15-M19).

M17

M17 — Osteoarthritis of knee

Non-billable headerICD-10-CM

M17 is a non-billable header ICD-10-CM code for osteoarthritis of knee. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with M17

These codes carry an Excludes1 note pointing at M17. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading M17 alone.

M12.5Traumatic arthropathy

Risk adjustment

M17 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 M17

7 child codes. Green means billable.

Questions about M17

Is M17 a billable ICD-10-CM code?: No. M17 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M17 sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Osteoarthritis (M15-M19).