ICD-10-CM > M00-M99 > M15-M19 > M19 > M19.1 > M19.12 M19.12 Post-traumatic osteoarthritis, elbow Non-Billable/Non-Specific Codes M19.121Post-traumatic osteoarthritis, right elbowM19.122Post-traumatic osteoarthritis, left elbowM19.129Post-traumatic osteoarthritis, unspecified elbow