M05.66 - Rheumatoid arthritis of knee with involvement of other organs and systems M05.6 - Rheumatoid arthritis with involvement of other organs and systems M05.66 - Rheumatoid arthritis of knee with involvement of other organs and systems
M05.661 - Rheumatoid arthritis of right knee with involvement of other organs and systems M05.662 - Rheumatoid arthritis of left knee with involvement of other organs and systems M05.669 - Rheumatoid arthritis of unspecified knee with involvement of other organs and systems