ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.2 > T25.23 > T25.231 T25.231 Burn of second degree of right toe(s) (nail) Non-Billable/Non-Specific Codes T25.231A..., initial encounterT25.231D..., subsequent encounterT25.231S..., sequela