O98.9Unspecified maternal infectious or parasitic disease complicating pregnancy, childbirth and the puerperium
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.
- Chapter XV
- Pregnancy, childbirth and the puerperium
- Group O94-O99
- Other obstetric conditions, not elsewhere classified
- Official Vietnamese name
- Bệnh nhiễm trùng và/hoặc ký sinh trùng không xác định ở người mẹ có gây biến chứng cho thai kỳ, sinh đẻ và/hoặc thời kỳ sau đẻ
Related O98 codes
O98
Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
O98.0
Primary diagnosis candidate
Tuberculosis complicating pregnancy, childbirth and the puerperium
O98.1
Primary diagnosis candidate
Syphilis complicating pregnancy, childbirth and the puerperium
O98.2
Primary diagnosis candidate
Gonorrhoea complicating pregnancy, childbirth and the puerperium
O98.3
Primary diagnosis candidate
Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium
O98.4
Primary diagnosis candidate
Viral hepatitis complicating pregnancy, childbirth and the puerperium
O98.5
Primary diagnosis candidate
Other viral diseases complicating pregnancy, childbirth and the puerperium
O98.6
Primary diagnosis candidate
Protozoal diseases complicating pregnancy, childbirth and the puerperium
O98.7
Primary diagnosis candidate
Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium
O98.8
Primary diagnosis candidate
Other maternal infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium
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.
