B33.4Hantavirus (cardio- )pulmonary syndrome [HPS] [HCPS] (J17.1*)
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 B25-B34
- Other viral diseases
- Official Vietnamese name
- Hội chứng phổi (tim-) do virus Hanta [HPS] [HCPS] (J17.1*)
- Additional WHO coding guidance
- Hantavirus disease with pulmonary manifestations Sin Nombre virus disease Use additional code (N17.9), if desired, to identify any renal failure associated with HPS caused by the Andes, Bayou and Black Creek Canal hantavirus aetiologies. Excl.: haemorrhagic fever with renal manifestations (A98.5)
Related B33 codes
B33
Other viral diseases, not elsewhere classified
B33.0
Primary diagnosis candidate
Epidemic myalgia
B33.1
Primary diagnosis candidate
Ross River disease
B33.2
Primary diagnosis candidate
Viral carditis
B33.3
Primary diagnosis candidate
Retrovirus infections, not elsewhere classified
B33.8
Primary diagnosis candidate
Other specified viral diseases
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.
