T25.63 - Corrosion of second degree of toe(s) (nail) T25.6 - Corrosion of second degree of ankle and foot T25.63 - Corrosion of second degree of toe(s) (nail) T25.631 - Corrosion of second degree of right toe(s) (nail) T25.632 - Corrosion of second degree of left toe(s) (nail) T25.639 - Corrosion of second degree of unspecified toe(s) (nail)