O35Maternal care for known or suspected fetal abnormality and damage
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 O35 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 bất thường và/hoặc tổn thương 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.: maternal care for known or suspected disproportion (O33.-)
Related O35 codes
O35.0
Primary diagnosis candidate
Maternal care for (suspected) central nervous system malformation in fetus
O35.1
Primary diagnosis candidate
Maternal care for (suspected) chromosomal abnormality in fetus
O35.2
Primary diagnosis candidate
Maternal care for (suspected) hereditary disease in fetus
O35.3
Primary diagnosis candidate
Maternal care for (suspected) damage to fetus from viral disease in mother
O35.4
Primary diagnosis candidate
Maternal care for (suspected) damage to fetus from alcohol
O35.5
Primary diagnosis candidate
Maternal care for (suspected) damage to fetus by drugs
O35.6
Primary diagnosis candidate
Maternal care for (suspected) damage to fetus by radiation
O35.7
Primary diagnosis candidate
Maternal care for (suspected) damage to fetus by other medical procedures
O35.8
Primary diagnosis candidate
Maternal care for other (suspected) fetal abnormality and damage
O35.9
Primary diagnosis candidate
Maternal care for (suspected) fetal abnormality and damage, 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.
