T59Toxic effect of other gases, fumes and vapours
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 T59 directly
Use the most specific code supported by the record.
- Official Vietnamese name
- Tác động độc hại của khí, khói và/hoặc hơi khác
- Additional WHO coding guidance
- Incl.: aerosol propellants Excl.: chlorofluorocarbons (T53.5)
Related T59 codes
T59.0
Primary diagnosis candidate
Nitrogen oxides
T59.1
Primary diagnosis candidate
Sulfur dioxide
T59.2
Primary diagnosis candidate
Formaldehyde
T59.3
Primary diagnosis candidate
Lacrimogenic gas
T59.4
Primary diagnosis candidate
Chlorine gas
T59.5
Primary diagnosis candidate
Fluorine gas and hydrogen fluoride
T59.6
Primary diagnosis candidate
Hydrogen sulfide
T59.7
Primary diagnosis candidate
Carbon dioxide
T59.8
Primary diagnosis candidate
Other specified gases, fumes and vapours
T59.9
Primary diagnosis candidate
Gases, fumes and vapours, unspecified
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.
