ICD-10-CM > M00-M99 > M60-M63 > M61 > M61.1 > M61.11 M61.11 Myositis ossificans progressiva, shoulder Non-Billable/Non-Specific Codes M61.111Myositis ossificans progressiva, right shoulderM61.112Myositis ossificans progressiva, left shoulderM61.119Myositis ossificans progressiva, unspecified shoulder