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