M89.52 Osteolysis, upper armNon-billable header with 3 child codes.
M89.521 Osteolysis, right upper armM89.522 Osteolysis, left upper armM89.529 Osteolysis, unspecified upper armM89.7 Major osseous defect ("osteolysis (M89.5-)")M89.50 Osteolysis, unspecified siteM89.51 Osteolysis, shoulderM89.511 Osteolysis, right shoulderM89.512 Osteolysis, left shoulderM89.519 Osteolysis, unspecified shoulderM89.52 Osteolysis, upper arm (this code)M89.521 Osteolysis, right upper armM89.522 Osteolysis, left upper armM89.529 Osteolysis, unspecified upper armM89.53 Osteolysis, forearmM89.531 Osteolysis, right forearm