A22Anthrax
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 A22 directly
Use the most specific code supported by the record.
- Group A20-A28
- Certain zoonotic bacterial diseases
- Official Vietnamese name
- Bệnh than
- Additional WHO coding guidance
- Incl.: infection due to Bacillus anthracis
Related A22 codes
A22.0
Primary diagnosis candidate
Cutaneous anthrax Malignant:
A22.1
Primary diagnosis candidate
Pulmonary anthrax
A22.2
Primary diagnosis candidate
Gastrointestinal anthrax
A22.7
Primary diagnosis candidate
Anthrax sepsis
A22.8
Primary diagnosis candidate
Other forms of anthrax
A22.9
Primary diagnosis candidate
Anthrax, 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.
