ICD-10-CM > M00-M99 > M05-M14 > M06 > M06.2 > M06.21 M06.21 Rheumatoid bursitis, shoulder Non-Billable/Non-Specific Codes M06.211Rheumatoid bursitis, right shoulderM06.212Rheumatoid bursitis, left shoulderM06.219Rheumatoid bursitis, unspecified shoulder