ICD-10-CM > S00-T88 > T33-T34 > T34 > T34.5 > T34.51 T34.51 Frostbite with tissue necrosis of wrist Non-Billable/Non-Specific Codes T34.511Frostbite with tissue necrosis of right wristT34.511A..., initial encounterT34.511D..., subsequent encounterT34.511S..., sequelaT34.512Frostbite with tissue necrosis of left wristT34.512A..., initial encounterT34.512D..., subsequent encounterT34.512S..., sequelaT34.519Frostbite with tissue necrosis of unspecified wristT34.519A..., initial encounterT34.519D..., subsequent encounterT34.519S..., sequela