| M87.171 | Osteonecrosis due to drugs, right ankle | BILLABLE CODE |
| M87.172 | Osteonecrosis due to drugs, left ankle | BILLABLE CODE |
| M87.173 | Osteonecrosis due to drugs, unspecified ankle | BILLABLE CODE |
| M87.174 | Osteonecrosis due to drugs, right foot | BILLABLE CODE |
| M87.175 | Osteonecrosis due to drugs, left foot | BILLABLE CODE |
| M87.176 | Osteonecrosis due to drugs, unspecified foot | BILLABLE CODE |
| M87.177 | Osteonecrosis due to drugs, right toe(s) | BILLABLE CODE |
| M87.178 | Osteonecrosis due to drugs, left toe(s) | BILLABLE CODE |
| M87.179 | Osteonecrosis due to drugs, unspecified toe(s) | BILLABLE CODE |
