ICD-10-CM > S00-T88 > T33-T34 > T34 > T34.6 > T34.61 T34.61 Frostbite with tissue necrosis of right hip and thigh Non-Billable/Non-Specific Codes T34.61XA..., initial encounterT34.61XD..., subsequent encounterT34.61XS..., sequela