ICD-10-CM > M00-M99 > M05-M14 > M06 > M06.8 > M06.81 M06.81 Other specified rheumatoid arthritis, shoulder Non-Billable/Non-Specific Codes M06.811Other specified rheumatoid arthritis, right shoulderM06.812Other specified rheumatoid arthritis, left shoulderM06.819Other specified rheumatoid arthritis, unspecified shoulder