O64.9Obstructed labour due to malposition and malpresentation, 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
- Group O60-O75
- Complications of labour and delivery
- Official Vietnamese name
- Chuyển dạ đình trệ do ngôi và thế bất thường, không xác định
Related O64 codes
O64
Obstructed labour due to malposition and malpresentation of fetus
O64.0
Primary diagnosis candidate
Obstructed labour due to incomplete rotation of fetal head
O64.1
Primary diagnosis candidate
Obstructed labour due to breech presentation
O64.2
Primary diagnosis candidate
Obstructed labour due to face presentation
O64.3
Primary diagnosis candidate
Obstructed labour due to brow presentation
O64.4
Primary diagnosis candidate
Obstructed labour due to shoulder presentation
O64.5
Primary diagnosis candidate
Obstructed labour due to compound presentation
O64.8
Primary diagnosis candidate
Obstructed labour due to other malposition and malpresentation
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.
