O35.9Maternal care for (suspected) fetal abnormality and damage, unspecified
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
- Official Vietnamese name
- Chăm sóc thai sản vì (nghi ngờ) có bất thường và/hoặc tổn thương ở thai nhi, không xác định
Related O35 codes
O35
Maternal care for known or suspected fetal abnormality and damage
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
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.