ICD-10-CM > M00-M99 > M86-M90 > M87 > M87.2 > M87.22 M87.22 Osteonecrosis due to previous trauma, humerus Non-Billable/Non-Specific Codes M87.221Osteonecrosis due to previous trauma, right humerusM87.222Osteonecrosis due to previous trauma, left humerusM87.229Osteonecrosis due to previous trauma, unspecified humerus