ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.1 > T25.13 > T25.131 T25.131 Burn of first degree of right toe(s) (nail) Non-Billable/Non-Specific Codes T25.131A..., initial encounterT25.131D..., subsequent encounterT25.131S..., sequela