VITiếng Việt
ICD-10 Vietnam

P20Intrauterine hypoxia

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 P20 directly

Use the most specific code supported by the record.

Chapter XVI
Certain conditions originating in the perinatal period
Group P20-P29
Respiratory and cardiovascular disorders specific to the perinatal period
Official Vietnamese name
Hạ oxy huyết trong tử cung
Additional WHO coding guidance
Incl.: abnormal fetal heart rate fetal or intrauterine: acidosis anoxia asphyxia distress hypoxia meconium in liquor passage of meconium Excl.: intracranial haemorrhage due to anoxia or hypoxia (P52.- )

Related P20 codes

P20.0 Primary diagnosis candidate Intrauterine hypoxia first noted before onset of labour P20.1 Primary diagnosis candidate Intrauterine hypoxia first noted during labour and delivery P20.9 Primary diagnosis candidate Intrauterine hypoxia, 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.