| M87.371 | Other secondary osteonecrosis, right ankle | BILLABLE CODE |
| M87.372 | Other secondary osteonecrosis, left ankle | BILLABLE CODE |
| M87.373 | Other secondary osteonecrosis, unspecified ankle | BILLABLE CODE |
| M87.374 | Other secondary osteonecrosis, right foot | BILLABLE CODE |
| M87.375 | Other secondary osteonecrosis, left foot | BILLABLE CODE |
| M87.376 | Other secondary osteonecrosis, unspecified foot | BILLABLE CODE |
| M87.377 | Other secondary osteonecrosis, right toe(s) | BILLABLE CODE |
| M87.378 | Other secondary osteonecrosis, left toe(s) | BILLABLE CODE |
| M87.379 | Other secondary osteonecrosis, unspecified toe(s) | BILLABLE CODE |
