ICD-10-CM > S00-T88 > T33-T34 > T34 > T34.5 > T34.53 T34.53 Frostbite with tissue necrosis of finger(s) Non-Billable/Non-Specific Codes T34.531Frostbite with tissue necrosis of right finger(s)T34.531A..., initial encounterT34.531D..., subsequent encounterT34.531S..., sequelaT34.532Frostbite with tissue necrosis of left finger(s)T34.532A..., initial encounterT34.532D..., subsequent encounterT34.532S..., sequelaT34.539Frostbite with tissue necrosis of unspecified finger(s)T34.539A..., initial encounterT34.539D..., subsequent encounterT34.539S..., sequela