ICD-10-CM > M00-M99 > M05-M14 > M06 > M06.0 > M06.02 M06.02 Rheumatoid arthritis without rheumatoid factor, elbow Non-Billable/Non-Specific Codes M06.021Rheumatoid arthritis without rheumatoid factor, right elbowM06.022Rheumatoid arthritis without rheumatoid factor, left elbowM06.029Rheumatoid arthritis without rheumatoid factor, unspecified elbow