ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.8 > T33.83 T33.83 Superficial frostbite of toe(s) Non-Billable/Non-Specific Codes T33.831Superficial frostbite of right toe(s)T33.831A..., initial encounterT33.831D..., subsequent encounterT33.831S..., sequelaT33.832Superficial frostbite of left toe(s)T33.832A..., initial encounterT33.832D..., subsequent encounterT33.832S..., sequelaT33.839Superficial frostbite of unspecified toe(s)T33.839A..., initial encounterT33.839D..., subsequent encounterT33.839S..., sequela