O62.1Secondary uterine inertia
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
- Cơn co tử cung yếu thứ phát
- Additional WHO coding guidance
- Arrested active phase of labour Secondary hypotonic uterine dysfunction
Related O62 codes
O62
Abnormalities of forces of labour
O62.0
Primary diagnosis candidate
Primary inadequate contractions
O62.2
Primary diagnosis candidate
Other uterine inertia
O62.3
Primary diagnosis candidate
Precipitate labour
O62.4
Primary diagnosis candidate
Hypertonic, incoordinate, and prolonged uterine contractions
O62.8
Primary diagnosis candidate
Other abnormalities of forces of labour
O62.9
Primary diagnosis candidate
Abnormality of forces of labour, 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.
