M87.1 - Osteonecrosis due to drugs
M87.17 - Osteonecrosis due to drugs, ankle, foot and toes
M87.171 - Osteonecrosis due to drugs, right ankle
M87.172 - Osteonecrosis due to drugs, left ankle
M87.173 - Osteonecrosis due to drugs, unspecified ankle
M87.174 - Osteonecrosis due to drugs, right foot
M87.175 - Osteonecrosis due to drugs, left foot
M87.176 - Osteonecrosis due to drugs, unspecified foot
M87.177 - Osteonecrosis due to drugs, right toe(s)
M87.178 - Osteonecrosis due to drugs, left toe(s)
M87.179 - Osteonecrosis due to drugs, unspecified toe(s)