B57Chagas disease
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 B57 directly
Use the most specific code supported by the record.
- Group B50-B64
- Protozoal diseases
- Official Vietnamese name
- Bệnh Chagas
- Additional WHO coding guidance
- Incl.: American trypanosomiasis infection due to Trypanosoma cruzi
Related B57 codes
B57.0
Primary diagnosis candidate
Acute Chagas disease with heart involvement (I41.2*, I98.1*)
B57.1
Primary diagnosis candidate
Acute Chagas disease without heart involvement
B57.2
Primary diagnosis candidate
Chagas disease (chronic) with heart involvement
B57.3
Primary diagnosis candidate
Chagas disease (chronic) with digestive system involvement
B57.4
Primary diagnosis candidate
Chagas disease (chronic) with nervous system involvement
B57.5
Primary diagnosis candidate
Chagas disease (chronic) with other organ involvement
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.