ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.2 > T25.23 > T25.239 T25.239 Burn of second degree of unspecified toe(s) (nail) Non-Billable/Non-Specific Codes T25.239A..., initial encounterT25.239D..., subsequent encounterT25.239S..., sequela