ICD-10-CM > S00-T88 > T33-T34 > T34 > T34.0 > T34.01 T34.01 Frostbite with tissue necrosis of ear Non-Billable/Non-Specific Codes T34.011Frostbite with tissue necrosis of right earT34.011A..., initial encounterT34.011D..., subsequent encounterT34.011S..., sequelaT34.012Frostbite with tissue necrosis of left earT34.012A..., initial encounterT34.012D..., subsequent encounterT34.012S..., sequelaT34.019Frostbite with tissue necrosis of unspecified earT34.019A..., initial encounterT34.019D..., subsequent encounterT34.019S..., sequela