T25.1 - Burn of first degree of ankle and foot
T25.13 - Burn of first degree of toe(s) (nail)
T25.131 - Burn of first degree of right toe(s) (nail)
T25.132 - Burn of first degree of left toe(s) (nail)
T25.139 - Burn of first degree of unspecified toe(s) (nail)