M87.3 - Other secondary osteonecrosis
M87.37 - Other secondary osteonecrosis, ankle and foot
M87.371 - Other secondary osteonecrosis, right ankle
M87.372 - Other secondary osteonecrosis, left ankle
M87.373 - Other secondary osteonecrosis, unspecified ankle
M87.374 - Other secondary osteonecrosis, right foot
M87.375 - Other secondary osteonecrosis, left foot
M87.376 - Other secondary osteonecrosis, unspecified foot
M87.377 - Other secondary osteonecrosis, right toe(s)
M87.378 - Other secondary osteonecrosis, left toe(s)
M87.379 - Other secondary osteonecrosis, unspecified toe(s)