B23.0Acute HIV infection syndrome
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 B20-B24
- Human immunodeficiency virus [HIV] disease
- Official Vietnamese name
- Hội chứng nhiễm HIV cấp tính
Related B23 codes
B23
Human immunodeficiency virus [HIV] disease resulting in other conditions
B23.1
Primary diagnosis candidate
HIV disease resulting in (persistent) generalized lymphadenopathy
B23.2
Primary diagnosis candidate
HIV disease resulting in haematological and immunological abnormalities, not elsewhere classified
B23.8
Primary diagnosis candidate
HIV disease resulting in other specified conditions
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.