M05.8
M05.8 — Other rheumatoid arthritis with rheumatoid factor
Non-billable headerICD-10-CM
M05.8 is a non-billable header ICD-10-CM code for other rheumatoid arthritis with rheumatoid factor. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
M05.8 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead M05.8
10 child codes. Green means billable.
- 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
- M05.86Other rheumatoid arthritis with rheumatoid factor of knee
- 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
Related codes at this level
Codes that share M05. If M05.8 is not quite right, the correct code is usually one of these.
- M05.0Felty's syndrome
- M05.1Rheumatoid lung disease with rheumatoid arthritis
- M05.2Rheumatoid vasculitis with rheumatoid arthritis
- M05.3Rheumatoid heart disease with rheumatoid arthritis
- M05.4Rheumatoid myopathy with rheumatoid arthritis
- M05.5Rheumatoid polyneuropathy with rheumatoid arthritis
- M05.6Rheumatoid arthritis with involvement of other organs and systems
- M05.7Rheumatoid arthritis with rheumatoid factor without organ or systems involvement
- M05.9Rheumatoid arthritis with rheumatoid factor, unspecified
- M05.AAbnormal rheumatoid factor and anti-citrullinated protein antibody with rheumatoid arthritis
Questions about M05.8
- Is M05.8 a billable ICD-10-CM code?
- No. M05.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does M05.8 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Inflammatory polyarthropathies (M05-M14).