M06.0 - Rheumatoid arthritis without rheumatoid factor
M06.05 - Rheumatoid arthritis without rheumatoid factor, hip
M06.051 - Rheumatoid arthritis without rheumatoid factor, right hip
M06.052 - Rheumatoid arthritis without rheumatoid factor, left hip
M06.059 - Rheumatoid arthritis without rheumatoid factor, unspecified hip