Oth rheumatoid arthritis w rheumatoid factor of unsp wrist

This code signifies a form of rheumatoid arthritis affecting an unspecified wrist, where the presence of rheumatoid factor (RF) is known but the specific type of other rheumatoid arthritis is not further specified. It indicates a systemic autoimmune inflammatory condition primarily impacting the synovial joints, with serological evidence of RF.

Apply this code when documentation confirms a diagnosis of rheumatoid arthritis with positive rheumatoid factor, and the affected joint is an unspecified wrist, but the specific subtype of "other" rheumatoid arthritis is not detailed. This code is appropriate when the provider has not specified laterality (right or left) for the wrist involvement.

• Ensure documentation explicitly states "unspecified wrist" and "rheumatoid factor positive" for accurate code assignment.
• Avoid using this code if laterality (right or left wrist) is documented; instead, choose a more specific code.
• Do not use if the specific type of rheumatoid arthritis (e.g., Felty's syndrome, rheumatoid vasculitis) is identified, as more specific codes exist.