ICD-10-CM > S00-T88 > T33-T34 > T34 > T34.8 > T34.83 > T34.832 T34.832 Frostbite with tissue necrosis of left toe(s) Non-Billable/Non-Specific Codes T34.832A..., initial encounterT34.832D..., subsequent encounterT34.832S..., sequela