M06.0 - Rheumatoid arthritis without rheumatoid factor
M06.04 - Rheumatoid arthritis without rheumatoid factor, hand
M06.041 - Rheumatoid arthritis without rheumatoid factor, right hand
M06.042 - Rheumatoid arthritis without rheumatoid factor, left hand
M06.049 - Rheumatoid arthritis without rheumatoid factor, unspecified hand