M05.1 - Rheumatoid lung disease with rheumatoid arthritis
M05.16 - Rheumatoid lung disease with rheumatoid arthritis of knee
M05.161 - Rheumatoid lung disease with rheumatoid arthritis of right knee
M05.162 - Rheumatoid lung disease with rheumatoid arthritis of left knee
M05.169 - Rheumatoid lung disease with rheumatoid arthritis of unspecified knee