M08.4 - Pauciarticular juvenile rheumatoid arthritis
M08.42 - Pauciarticular juvenile rheumatoid arthritis, elbow
M08.421 - Pauciarticular juvenile rheumatoid arthritis, right elbow
M08.422 - Pauciarticular juvenile rheumatoid arthritis, left elbow
M08.429 - Pauciarticular juvenile rheumatoid arthritis, unspecified elbow