Rheumatoid myopathy with rheumatoid arthritis of right elbow

This code signifies a muscular disorder, specifically rheumatoid myopathy, occurring in a patient diagnosed with rheumatoid arthritis. The myopathy is directly associated with the rheumatoid arthritis and affects the right elbow joint. This indicates muscle weakness, pain, or dysfunction in the right elbow region due to the systemic inflammatory process of rheumatoid arthritis.

This code is appropriate when documentation clearly states a diagnosis of rheumatoid myopathy in the context of rheumatoid arthritis, with the specific anatomical site being the right elbow. Supporting documentation should include physician notes detailing the myopathy, the established diagnosis of rheumatoid arthritis, and the involvement of the right elbow.

• Ensure the documentation explicitly links the myopathy to the rheumatoid arthritis.
• Verify the laterality (right elbow) is clearly stated in the medical record.
• This code requires a primary diagnosis of rheumatoid arthritis (M05.- or M06.-) to be sequenced first.