M08.26 - Juvenile rheumatoid arthritis with systemic onset, knee M08.2 - Juvenile rheumatoid arthritis with systemic onset M08.26 - Juvenile rheumatoid arthritis with systemic onset, knee
M08.261 - Juvenile rheumatoid arthritis with systemic onset, right knee M08.262 - Juvenile rheumatoid arthritis with systemic onset, left knee M08.269 - Juvenile rheumatoid arthritis with systemic onset, unspecified knee