T20Burn and corrosion of head and neck
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 T20 directly
Use the most specific code supported by the record.
- Group T20-T32
- Burns and corrosions
- Official Vietnamese name
- Bỏng và/hoặc ăn mòn vùng đầu và/hoặc cổ
- Additional WHO coding guidance
- Incl.: ear [any part] eye with other parts of face, head and neck lip nose (septum) scalp [any part] temple (region) Excl.: burn and corrosion (of): confined to eye and adnexa (T26.-) mouth and pharynx (T28.-)
Related T20 codes
T20.0
Primary diagnosis candidate
Burn of unspecified degree of head and neck
T20.1
Primary diagnosis candidate
Burn of first degree of head and neck
T20.2
Primary diagnosis candidate
Burn of second degree [partial thickness] of head and neck
T20.3
Primary diagnosis candidate
Burn of third degree [full thickness] of head and neck
T20.4
Primary diagnosis candidate
Corrosion of unspecified degree of head and neck
T20.5
Primary diagnosis candidate
Corrosion of first degree of head and neck
T20.6
Primary diagnosis candidate
Corrosion of second degree of head and neck
T20.7
Primary diagnosis candidate
Corrosion of third degree of head and neck
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.
