A92.1O'nyong-nyong fever
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.
- Official Vietnamese name
- Bệnh sốt do virus O’nyong nyong
Related A92 codes
A92
Other mosquito- borne viral fevers
A92.0
Primary diagnosis candidate
Chikungunya virus disease
A92.2
Primary diagnosis candidate
Venezuelan equine fever
A92.3
Primary diagnosis candidate
West Nile virus infection
A92.4
Primary diagnosis candidate
Rift Valley fever
A92.5
Primary diagnosis candidate
Zika virus disease
A92.8
Primary diagnosis candidate
Other specified mosquito-borne viral fevers
A92.9
Primary diagnosis candidate
Mosquito-borne viral fever, 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.
