ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.3 > T25.33 > T25.339 T25.339 Burn of third degree of unspecified toe(s) (nail) Non-Billable/Non-Specific Codes T25.339A..., initial encounterT25.339D..., subsequent encounterT25.339S..., sequela