ICD-10-CM > M00-M99 > M86-M90 > M87 > M87.3 > M87.31 M87.31 Other secondary osteonecrosis, shoulder Non-Billable/Non-Specific Codes M87.311Other secondary osteonecrosis, right shoulderM87.312Other secondary osteonecrosis, left shoulderM87.319Other secondary osteonecrosis, unspecified shoulder