O36Maternal care for other known or suspected fetal problems
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 O36 directly
Use the most specific code supported by the record.
- Chapter XV
- Pregnancy, childbirth and the puerperium
- Official Vietnamese name
- Chăm sóc thai sản vì biết hoặc nghi ngờ có vấn đề khác ở thai nhi
- Additional WHO coding guidance
- Incl.: the listed conditions in the fetus as a reason for observation, hospitalization or other obstetric care of the mother, or for termination of pregnancy Excl.: labour and delivery complicated by fetal stress [distress] (O68.-) placental
Related O36 codes
O36.0
Primary diagnosis candidate
Maternal care for rhesus isoimmunization
O36.1
Primary diagnosis candidate
Maternal care for other isoimmunization
O36.2
Primary diagnosis candidate
Maternal care for hydrops fetalis
O36.3
Primary diagnosis candidate
Maternal care for signs of fetal hypoxia
O36.4
Primary diagnosis candidate
Maternal care for intrauterine death
O36.5
Primary diagnosis candidate
Maternal care for poor fetal growth
O36.6
Primary diagnosis candidate
Maternal care for excessive fetal growth
O36.7
Primary diagnosis candidate
Maternal care for viable fetus in abdominal pregnancy
O36.8
Primary diagnosis candidate
Maternal care for other specified fetal problems
O36.9
Primary diagnosis candidate
Maternal care for fetal problem, 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.
