O98Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
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 O98 directly
Use the most specific code supported by the record.
- 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 ở người mẹ phân loại mục khác có gây biến chứng cho thai kỳ, sinh đẻ và/hoặc thời kỳ sau đẻ
- Additional WHO coding guidance
- Incl.: the listed conditions when complicating the pregnant state, when aggravated by the pregnancy, or as a reason for obstetric care Use additional code (Chapter I), if desired, to identify specific condition. Excl.: asymptomatic human immunodeficiency virus [HIV] infection status (Z21) laboratory evidence of human immunodeficiency virus [HIV] (R75) obstetrical tetanus (A34) puerperal: infection (O86.-) sepsis (O85) when the reason for maternal care is that the disease is known or suspected to have affected the fetus (O35- O36)
Related O98 codes
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
O98.9
Primary diagnosis candidate
Unspecified maternal infectious or parasitic disease 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.