M13.1
M13.1: Monoarthritis, not elsewhere classified
Non-billable headerICD-10-CM
M13.1 is a non-billable header ICD-10-CM code for monoarthritis, not elsewhere classified. It cannot be billed on its own: choose one of the more specific child codes below.
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 M13.1
8 child codes. Green means billable.
- M13.10Monoarthritis, not elsewhere classified, unspecified site
- M13.11Monoarthritis, not elsewhere classified, shoulder
- M13.12Monoarthritis, not elsewhere classified, elbow
- M13.13Monoarthritis, not elsewhere classified, wrist
- M13.14Monoarthritis, not elsewhere classified, hand
- M13.15Monoarthritis, not elsewhere classified, hip
- M13.16Monoarthritis, not elsewhere classified, knee
- M13.17Monoarthritis, not elsewhere classified, ankle and foot