ICD-10-CM > M00-M99 > M15-M19 > M19 > M19.1 > M19.11 M19.11 Post-traumatic osteoarthritis, shoulder Non-Billable/Non-Specific Codes M19.111Post-traumatic osteoarthritis, right shoulderM19.112Post-traumatic osteoarthritis, left shoulderM19.119Post-traumatic osteoarthritis, unspecified shoulder