ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.1 > T25.12 T25.12 Burn of first degree of foot Non-Billable/Non-Specific Type 2 Excludes burn of first degree of toe(s) (nail) (T25.13-) Codes T25.121Burn of first degree of right footT25.121A..., initial encounterT25.121D..., subsequent encounterT25.121S..., sequelaT25.122Burn of first degree of left footT25.122A..., initial encounterT25.122D..., subsequent encounterT25.122S..., sequelaT25.129Burn of first degree of unspecified footT25.129A..., initial encounterT25.129D..., subsequent encounterT25.129S..., sequela