T33Superficial frostbite
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use T33 directly
Use the most specific code supported by the record.
- Group T33-T35
- Frostbite
- Official Vietnamese name
- Bỏng lạnh nông
- Additional WHO coding guidance
- Incl.: frostbite with partial-thickness skin loss Excl.: superficial frostbite involving multiple body regions (T35.0)
Related T33 codes
T33.0
Primary diagnosis candidate
Superficial frostbite of head
T33.1
Primary diagnosis candidate
Superficial frostbite of neck
T33.2
Primary diagnosis candidate
Superficial frostbite of thorax
T33.3
Primary diagnosis candidate
Superficial frostbite of abdominal wall, lower back and pelvis
T33.4
Primary diagnosis candidate
Superficial frostbite of arm
T33.5
Primary diagnosis candidate
Superficial frostbite of wrist and hand
T33.6
Primary diagnosis candidate
Superficial frostbite of hip and thigh
T33.7
Primary diagnosis candidate
Superficial frostbite of knee and lower leg
T33.8
Primary diagnosis candidate
Superficial frostbite of ankle and foot
T33.9
Primary diagnosis candidate
Superficial frostbite of other and unspecified sites
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
