VITiếng Việt
ICD-10 Vietnam

U46Emergency use of U46

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 U46 directly

Use the most specific code supported by the record.

Chapter XXII
Codes for special purposes
Group U00-U49
Provisional assignment of new diseases of uncertain etiology or
Official Vietnamese name
Sử dụng mã U46 trong tình huống khẩn cấp
Additional WHO coding guidance
Note: Codes U00-U49 are to be used by WHO for the provisional assignment of new diseases of uncertain etiology. In emergency situations codes are not always accessible in electronic systems. The specification of category U46 in the way it is done here will make sure this category and the subcategories are available in every electronic system at any time and that they can be used upon instruction by WHO, immediately.

Related U46 codes

U46.9 Primary diagnosis candidate Emergency use of U46.9

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.