ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.8 T33.8 Superficial frostbite of ankle, foot, and toe(s) Non-Billable/Non-Specific Codes T33.81Superficial frostbite of ankleT33.811Superficial frostbite of right ankleT33.811A..., initial encounterT33.811D..., subsequent encounterT33.811S..., sequelaT33.812Superficial frostbite of left ankleT33.812A..., initial encounterT33.812D..., subsequent encounterT33.812S..., sequelaT33.819Superficial frostbite of unspecified ankleT33.819A..., initial encounterT33.819D..., subsequent encounterT33.819S..., sequelaT33.82Superficial frostbite of footT33.821Superficial frostbite of right footT33.821A..., initial encounterT33.821D..., subsequent encounterT33.821S..., sequelaT33.822Superficial frostbite of left footT33.822A..., initial encounterT33.822D..., subsequent encounterT33.822S..., sequelaT33.829Superficial frostbite of unspecified footT33.829A..., initial encounterT33.829D..., subsequent encounterT33.829S..., sequelaT33.83Superficial frostbite of toe(s)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