O90.9Complication of the puerperium, 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
- Biến chứng trong thời kỳ sau đẻ, không xác định
Related O90 codes
O90
Complications of the puerperium, not elsewhere classified
O90.0
Primary diagnosis candidate
Disruption of caesarean section wound
O90.1
Primary diagnosis candidate
Disruption of perineal obstetric wound
O90.2
Primary diagnosis candidate
Haematoma of obstetric wound
O90.3
Primary diagnosis candidate
Cardiomyopathy in the puerperium
O90.4
Primary diagnosis candidate
Postpartum acute renal failure
O90.5
Primary diagnosis candidate
Postpartum thyroiditis
O90.8
Primary diagnosis candidate
Other complications of the puerperium, not elsewhere classified
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.
