ICD-10-CM > M00-M99 > M05-M14 > M06 > M06.8 > M06.84 M06.84 Other specified rheumatoid arthritis, hand Non-Billable/Non-Specific Codes M06.841Other specified rheumatoid arthritis, right handM06.842Other specified rheumatoid arthritis, left handM06.849Other specified rheumatoid arthritis, unspecified hand