M23.20

M23.20: Derangement of unspecified meniscus due to old tear or injury

Non-billable headerICD-10-CM

M23.20 is a non-billable header ICD-10-CM code for derangement of unspecified meniscus due to old tear or injury. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Derangement of unspecified lateral meniscus due to old tear or injury
Derangement of unspecified medial meniscus due to old tear or injury

Excludes1 inherited from the categories above M23.20

A category’s note binds every code beneath it.

Written on M23: Internal derangement of knee

ankylosis (M24.66)
deformity of knee (M21.-)
osteochondritis dissecans (M93.2)

Excludes2 inherited from the categories above M23.20

Not part of this code, but both may be coded when both are present.

Written on M23: Internal derangement of knee

current injury - see injury of knee and lower leg (S80-S89)
recurrent dislocation or subluxation of joints (M24.4)
recurrent dislocation or subluxation of patella (M22.0-M22.1)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M23.20

9 child codes. Green means billable.