T34 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Frostbite with tissue necrosis.
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The appropriate 7th character is to be added to each code from category T34
A: initial encounter
D: subsequent encounter
S: sequela
Frostbite with tissue necrosis of head
Frostbite with tissue necrosis of neck
Frostbite with tissue necrosis of thorax
Frostbite with tissue necrosis of abdominal wall, lower back and pelvis
Frostbite with tissue necrosis of arm
Frostbite with tissue necrosis of wrist, hand, and finger(s)
Frostbite with tissue necrosis of hip and thigh
Frostbite with tissue necrosis of knee and lower leg
Frostbite with tissue necrosis of ankle, foot, and toe(s)
Frostbite with tissue necrosis of other and unspecified sites
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