ICD-10-CM › M00-M99 › M05-M14 › M05.8 Other rheumatoid arthritis with... › M05.8A
M05.8A
Other rheumatoid arthritis with rheumatoid factor of other specified site
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2021 to now.
- FY2021 Added to the code set Other rheumatoid arthritis with rheumatoid factor of other specified site
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M05 Rheumatoid arthritis with rheumatoid factor
Excludes1 - never coded here
- rheumatic fever (I00)
- juvenile rheumatoid arthritis (M08.-)
- rheumatoid arthritis of spine (M45.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Arthropyosis
- Pyoarthrosis
- Septic > joint
- Abscess > joint
- Rheumatism > gout
- Pyemia, pyemic > joint
- Rheumatoid > arthritis
- Pyarthritis, pyarthrosis
- Rheumatoid > polyarthritis
- Arthritis, arthritic > septic
- Disease, diseased > rheumatoid
- Arthritis, arthritic > purulent
- Arthritis, arthritic > rheumatic
- Suppuration, suppurative > joint
- Arthritis, arthritic > suppurative
- Arthritis, arthritic > in > infection
- Rheumatoid > arthritis > seropositive
- Disease, diseased > joint > suppurative
- Polyarthritis, polyarthropathy > infective
- Arthritis, arthritic > in > coliform bacilli
- Arthritis, arthritic > infectious or infective
- Arthritis, arthritic > rheumatoid > with > rheumatoid factor
- Arthritis, arthritic > rheumatoid > seropositive > specified NEC > specified site NEC
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M05.80 | Other rheumatoid arthritis with rheumatoid factor of unspecified site | Valid |
| M05.81 | Other rheumatoid arthritis with rheumatoid factor of shoulder | Not billable |
| M05.82 | Other rheumatoid arthritis with rheumatoid factor of elbow | Not billable |
| M05.83 | Other rheumatoid arthritis with rheumatoid factor of wrist | Not billable |
| M05.84 | Other rheumatoid arthritis with rheumatoid factor of hand | Not billable |
| M05.85 | Other rheumatoid arthritis with rheumatoid factor of hip | Not billable |
| M05.86 | Other rheumatoid arthritis with rheumatoid factor of knee | Not billable |
| M05.87 | Other rheumatoid arthritis with rheumatoid factor of ankle and foot | Not billable |
| M05.89 | Other rheumatoid arthritis with rheumatoid factor of multiple sites | Valid |