M05.86
M05.86: Other rheumatoid arthritis with rheumatoid factor of knee
Non-billable headerICD-10-CM
M05.86 is a non-billable header ICD-10-CM code for other rheumatoid arthritis with rheumatoid factor of knee. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with M05.86
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R76.81Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
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 M05.86
3 child codes. Green means billable.
Other codes under M05.8
- M05.80Other rheumatoid arthritis with rheumatoid factor of unspecified site
- M05.81Other rheumatoid arthritis with rheumatoid factor of shoulder
- M05.82Other rheumatoid arthritis with rheumatoid factor of elbow
- M05.83Other rheumatoid arthritis with rheumatoid factor of wrist
- M05.84Other rheumatoid arthritis with rheumatoid factor of hand
- M05.85Other rheumatoid arthritis with rheumatoid factor of hip
- M05.87Other rheumatoid arthritis with rheumatoid factor of ankle and foot
- M05.89Other rheumatoid arthritis with rheumatoid factor of multiple sites
- M05.8AOther rheumatoid arthritis with rheumatoid factor of other specified site