ICD-10-CM > M00-M99 > M00-M02 > M00 > M00.8 > M00.81 M00.81 Arthritis due to other bacteria, shoulder Non-Billable/Non-Specific Codes M00.811Arthritis due to other bacteria, right shoulderM00.812Arthritis due to other bacteria, left shoulderM00.819Arthritis due to other bacteria, unspecified shoulder