ICD-10-CM > M00-M99 > M05-M14 > M05 > M05.4 > M05.44 M05.44 Rheumatoid myopathy with rheumatoid arthritis of hand Non-Billable/Non-Specific Applicable To Rheumatoid myopathy with rheumatoid arthritis, metacarpus and phalanges Codes M05.441Rheumatoid myopathy with rheumatoid arthritis of right handM05.442Rheumatoid myopathy with rheumatoid arthritis of left handM05.449Rheumatoid myopathy with rheumatoid arthritis of unspecified hand