O43Placental disorders
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 O43 directly
Use the most specific code supported by the record.
- Chapter XV
- Pregnancy, childbirth and the puerperium
- Official Vietnamese name
- Rối loạn của rau thai
- Additional WHO coding guidance
- Excl.: maternal care for poor fetal growth due to placental insufficiency (O36.5) placenta praevia (O44.-) premature separation of placenta
Related O43 codes
O43.0
Primary diagnosis candidate
Placental transfusion syndromes
O43.1
Primary diagnosis candidate
Malformation of placenta
O43.2
Primary diagnosis candidate
Morbidly adherent placenta
O43.8
Primary diagnosis candidate
Other placental disorders
O43.9
Primary diagnosis candidate
Placental disorder, 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.