M87.1 - Osteonecrosis due to drugs
M87.15 - Osteonecrosis due to drugs, pelvis and femur
M87.150 - Osteonecrosis due to drugs, pelvis
M87.151 - Osteonecrosis due to drugs, right femur
M87.152 - Osteonecrosis due to drugs, left femur
M87.159 - Osteonecrosis due to drugs, unspecified femur