ICD-10-CM > M00-M99 > M86-M90 > M89 > M89.5 > M89.52 M89.52 Osteolysis, upper arm Non-Billable/Non-Specific Codes M89.521Osteolysis, right upper armM89.522Osteolysis, left upper armM89.529Osteolysis, unspecified upper arm