ICD-10-CM > S00-T88 > T33-T34 > T34 > T34.9 > T34.99 > T34.99XD T34.99XD Frostbite with tissue necrosis of other sites, subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Frostbite with tissue necrosis of leg NOSFrostbite with tissue necrosis of trunk NOS