Is M23.8X a billable ICD-10-CM code?

No. M23.8X is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does M23.8X sit in the tabular list?

Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other joint disorders (M20-M25).

M23.8X

M23.8X — Other internal derangements of knee

Non-billable headerICD-10-CM

M23.8X is a non-billable header ICD-10-CM code for other internal derangements of knee. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

M23.8X 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 M23.8X 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 M23.8X.

Adhesions, adhesive›joint›knee

Code to one of these instead M23.8X

3 child codes. Green means billable.

Questions about M23.8X

Is M23.8X a billable ICD-10-CM code?: No. M23.8X is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does M23.8X sit in the tabular list?: Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other joint disorders (M20-M25).