M23.8
M23.8: Other internal derangements of knee
Non-billable headerICD-10-CM
M23.8 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.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Laxity of ligament of knee
- Snapping knee
Excludes1 inherited from the categories above M23.8
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above M23.8
Not part of this code, but both may be coded when both are present.
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 M23.8
1 child code. Green means billable.