VITiếng Việt
ICD-10 Vietnam

A84Tick-borne viral encephalitis

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 A84 directly

Use the most specific code supported by the record.

Chapter I
Certain infectious and parasitic diseases
Group A80-A89
Viral infections of the central nervous system
Official Vietnamese name
Bệnh viêm não virus do bọ ve truyền
Additional WHO coding guidance
Incl.: tick-borne viral meningoencephalitis

Related A84 codes

A84.0 Primary diagnosis candidate Far Eastern tick- borne encephalitis [Russian spring- summer encephalitis] A84.1 Primary diagnosis candidate Central European tick-borne encephalitis A84.8 Primary diagnosis candidate Other tick-borne viral encephalitis A84.9 Primary diagnosis candidate Tick-borne viral encephalitis, 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.