VITiếng Việt
ICD-10 Vietnam

A09Other gastroenteritis and colitis of infectious and unspecified origin

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 A09 directly

Use the most specific code supported by the record.

Chapter I
Certain infectious and parasitic diseases
Group A00-A09
Intestinal infectious diseases
Official Vietnamese name
Viêm dạ dày - ruột và/hoặc đại tràng do nhiễm trùng và/hoặc không xác định căn nguyên
Additional WHO coding guidance
Excl.: due to bacterial, protozoal, viral and other specified infectious agents (A00- A08) noninfective (see noninfectious) diarrhoea (K52.9) noninfective (see noninfectious) diarrhoea neonatal (P78.3)

Related A09 codes

A09.0 Primary diagnosis candidate Other and unspecified gastroenteritis and colitis of infectious origin A09.9 Primary diagnosis candidate Gastroenteritis and colitis of unspecified origin

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.