ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.0 > T33.01 T33.01 Superficial frostbite of ear Non-Billable/Non-Specific Codes T33.011Superficial frostbite of right earT33.011A..., initial encounterT33.011D..., subsequent encounterT33.011S..., sequelaT33.012Superficial frostbite of left earT33.012A..., initial encounterT33.012D..., subsequent encounterT33.012S..., sequelaT33.019Superficial frostbite of unspecified earT33.019A..., initial encounterT33.019D..., subsequent encounterT33.019S..., sequela