ICD-10-CM > M00-M99 > M05-M14 > M08 > M08.9 > M08.91 M08.91 Juvenile arthritis, unspecified, shoulder Non-Billable/Non-Specific Codes M08.911Juvenile arthritis, unspecified, right shoulderM08.912Juvenile arthritis, unspecified, left shoulderM08.919Juvenile arthritis, unspecified, unspecified shoulder