O33.2Maternal care for disproportion due to inlet contraction of pelvis
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 bất tương xứng do hẹp eo trên
- Additional WHO coding guidance
- Inlet contraction (pelvis) causing disproportion
Related O33 codes
O33
Maternal care for known or suspected disproportion
O33.0
Primary diagnosis candidate
Maternal care for disproportion due to deformity of maternal pelvic bones
O33.1
Primary diagnosis candidate
Maternal care for disproportion due to generally contracted pelvis
O33.3
Primary diagnosis candidate
Maternal care for disproportion due to outlet contraction of pelvis
O33.4
Primary diagnosis candidate
Maternal care for disproportion of mixed maternal and fetal origin
O33.5
Primary diagnosis candidate
Maternal care for disproportion due to unusually large fetus
O33.6
Primary diagnosis candidate
Maternal care for disproportion due to hydrocephalic fetus
O33.7
Primary diagnosis candidate
Maternal care for disproportion due to other fetal deformities
O33.8
Primary diagnosis candidate
Maternal care for disproportion of other origin
O33.9
Primary diagnosis candidate
Maternal care for disproportion, 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.
