VITiếng Việt
ICD-10 Vietnam

T49Poisoning by topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinolaryngologi cal and dental drugs

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 T49 directly

Use the most specific code supported by the record.

Chapter XIX
Injury, poisoning and certain other consequences of external causes
Group T36-T50
Poisoning by drugs, medicaments and biological substances
Official Vietnamese name
Ngộ độc tác nhân dùng tại chỗ tác động chủ yếu trên da và/hoặc niêm mạc và/hoặc do thuốc mắt, tai - mũi - họng và/hoặc nha khoa
Additional WHO coding guidance
Incl.: glucocorticoids, topically used

Related T49 codes

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.