ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.5 > T33.53 T33.53 Superficial frostbite of finger(s) Non-Billable/Non-Specific Codes T33.531Superficial frostbite of right finger(s)T33.531A..., initial encounterT33.531D..., subsequent encounterT33.531S..., sequelaT33.532Superficial frostbite of left finger(s)T33.532A..., initial encounterT33.532D..., subsequent encounterT33.532S..., sequelaT33.539Superficial frostbite of unspecified finger(s)T33.539A..., initial encounterT33.539D..., subsequent encounterT33.539S..., sequela