M13
M13: Other arthritis
Non-billable headerICD-10-CM
M13 is a non-billable header ICD-10-CM code for other arthritis. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with M13
Their own Excludes1 notes name this code, so the conflict is not listed above.
- M06.4Inflammatory polyarthropathy
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 M13
3 child codes. Green means billable.