T50.9Other and unspecified drugs, medicaments and biological substances
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Official Vietnamese name
- Ngộ độc dược chất, thuốc điều trị và/hoặc sinh phẩm khác và/hoặc không xác định
- Additional WHO coding guidance
- Acidifying agents Alkalizing agents Immunoglobulin Immunologicals Lipotropic drugs Parathyroid hormones and derivatives
Related T50 codes
T50
Poisoning by diuretics and other and unspecified drugs, medicaments and biological substances
T50.0
Primary diagnosis candidate
Mineralocorticoids and their antagonists
T50.1
Primary diagnosis candidate
Loop [high-ceiling] diuretics
T50.2
Primary diagnosis candidate
Carbonic- anhydrase inhibitors, benzothiadiazides and other diuretics
T50.3
Primary diagnosis candidate
Electrolytic, caloric and water-balance agents
T50.4
Primary diagnosis candidate
Drugs affecting uric acid metabolism
T50.5
Primary diagnosis candidate
Appetite depressants
T50.6
Primary diagnosis candidate
Antidotes and chelating agents, not elsewhere classified
T50.7
Primary diagnosis candidate
Analeptics and opioid receptor antagonists
T50.8
Primary diagnosis candidate
Diagnostic agents
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.
