T25.73 - Corrosion of third degree of toe(s) (nail) T25.7 - Corrosion of third degree of ankle and foot T25.73 - Corrosion of third degree of toe(s) (nail) T25.731 - Corrosion of third degree of right toe(s) (nail) T25.732 - Corrosion of third degree of left toe(s) (nail) T25.739 - Corrosion of third degree of unspecified toe(s) (nail)