ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.3 > T25.33 > T25.331 T25.331 Burn of third degree of right toe(s) (nail) Non-Billable/Non-Specific Codes T25.331A..., initial encounterT25.331D..., subsequent encounterT25.331S..., sequela