ICD-10-CM > M00-M99 > M86-M90 > M87 > M87.1 > M87.16 M87.16 Osteonecrosis due to drugs, tibia and fibula Non-Billable/Non-Specific Codes M87.161Osteonecrosis due to drugs, right tibiaM87.162Osteonecrosis due to drugs, left tibiaM87.163Osteonecrosis due to drugs, unspecified tibiaM87.164Osteonecrosis due to drugs, right fibulaM87.165Osteonecrosis due to drugs, left fibulaM87.166Osteonecrosis due to drugs, unspecified fibula