T56Toxic effect of metals
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 T56 directly
Use the most specific code supported by the record.
- Official Vietnamese name
- Tác động độc hại của kim loại
- Additional WHO coding guidance
- Incl.: fumes and vapours of metals metals from all sources, except medicinal substances Excl.: arsenic and its compounds (T57.0) manganese and its compounds (T57.2)
Related T56 codes
T56.0
Primary diagnosis candidate
Lead and its compounds
T56.1
Primary diagnosis candidate
Mercury and its compounds
T56.2
Primary diagnosis candidate
Chromium and its compounds
T56.3
Primary diagnosis candidate
Cadmium and its compounds
T56.4
Primary diagnosis candidate
Copper and its compounds
T56.5
Primary diagnosis candidate
Zinc and its compounds
T56.6
Primary diagnosis candidate
Tin and its compounds
T56.7
Primary diagnosis candidate
Beryllium and its compounds
T56.8
Primary diagnosis candidate
Other metals
T56.9
Primary diagnosis candidate
Metal, 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.
