ICD-10-CM > M00-M99 > M60-M63 > M61 > M61.0 > M61.03 M61.03 Myositis ossificans traumatica, forearm Non-Billable/Non-Specific Codes M61.031Myositis ossificans traumatica, right forearmM61.032Myositis ossificans traumatica, left forearmM61.039Myositis ossificans traumatica, unspecified forearm