A03.1Shigellosis due to Shigella flexneri
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.
- Group A00-A09
- Intestinal infectious diseases
- Official Vietnamese name
- Bệnh lỵ trực khuẩn do Shigella flexneri
- Additional WHO coding guidance
- Group B shigellosis
Related A03 codes
A03
Shigellosis
A03.0
Primary diagnosis candidate
Shigellosis due to Shigella dysenteriae
A03.2
Primary diagnosis candidate
Shigellosis due to Shigella boydii
A03.3
Primary diagnosis candidate
Shigellosis due to Shigella sonnei
A03.8
Primary diagnosis candidate
Other shigellosis
A03.9
Primary diagnosis candidate
Shigellosis, 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.
