T33 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Superficial frostbite.
Includes
Frostbite with partial thickness skin loss
Seventh character note
The appropriate 7th character is to be added to each code from category T33
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
T33.0
Superficial frostbite of head
T33.1
Superficial frostbite of neck
T33.2
Superficial frostbite of thorax
T33.3
Superficial frostbite of abdominal wall, lower back and pelvis
T33.4
Superficial frostbite of arm
T33.5
Superficial frostbite of wrist, hand, and fingers
T33.6
Superficial frostbite of hip and thigh
T33.7
Superficial frostbite of knee and lower leg
T33.8
Superficial frostbite of ankle, foot, and toe(s)
T33.9
Superficial frostbite of other and unspecified sites
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code