The block T33–T35 of ICD-10 is titled “Frostbite”. It is part of Chapter XIX, Injury, poisoning and certain other consequences of external causes, and holds 3 groups.
What T33–T35 excludes
Conditions that look similar but belong under another code.
- hypothermia and other effects of reduced temperature T68-T69
Codes in T33–T35
- T33.0Superficial frostbite of head
- T33.1Superficial frostbite of neck
- T33.2Superficial frostbite of thorax
- T33.3Superficial frostbite of abdominal wall, lower back and pelvis
- T33.4Superficial frostbite of arm
- T33.5Superficial frostbite of wrist and hand
- T33.6Superficial frostbite of hip and thigh
- T33.7Superficial frostbite of knee and lower leg
- T33.8Superficial frostbite of ankle and foot
- T33.9Superficial frostbite of other and unspecified sites
- T34.0Frostbite with tissue necrosis of head
- T34.1Frostbite with tissue necrosis of neck
- T34.2Frostbite with tissue necrosis of thorax
- T34.3Frostbite with tissue necrosis of abdominal wall, lower back and pelvis
- T34.4Frostbite with tissue necrosis of arm
- T34.5Frostbite with tissue necrosis of wrist and hand
- T34.6Frostbite with tissue necrosis of hip and thigh
- T34.7Frostbite with tissue necrosis of knee and lower leg
- T34.8Frostbite with tissue necrosis of ankle and foot
- T34.9Frostbite with tissue necrosis of other and unspecified sites
- T35.0Superficial frostbite involving multiple body regions
- T35.1Frostbite with tissue necrosis involving multiple body regions
- T35.2Unspecified frostbite of head and neck
- T35.3Unspecified frostbite of thorax, abdomen, lower back and pelvis
- T35.4Unspecified frostbite of upper limb
- T35.5Unspecified frostbite of lower limb
- T35.6Unspecified frostbite involving multiple body regions
- T35.7Unspecified frostbite of unspecified site
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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