JB02.0

ICD-11 MMS 2026-01

Primary uterine inertia

Description

A condition affecting pregnant females characterised by insufficiently strong or inappropriately coordinated rhythmic activity of the myometrium during labour to efface and dilate the cervix.

Coding note from above levels

The codes included in this chapter are to be used for conditions related to or aggravated by the pregnancy, childbirth or by the puerperium (maternal causes or obstetric causes)

Index terms

  • Primary uterine inertia
  • Primary hypotonic uterine dysfunction
  • Primary inadequate contractions
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  • Uterine inertia during latent phase of labour
  • hypotonic primary dysfunction of uterus complicating delivery
  • hypotonic primary functional disturbance of uterus complicating delivery
  • hypotonic uterine dysfunction
  • hypotonic uterine inertia
  • primary dysfunctional labour
  • primary hypotonic labour
  • primary hypotonic uterine inertia
  • primary inertia of uterus during labour
  • prolonged latent phase of labour
  • uterine hypotonus
  • Failure of cervical dilatation
  • failure of dilatation of cervix in labour
  • incomplete poor or slow dilatation of cervix complicating delivery
  • primary dystocia of cervix

Inclusions

  • Primary hypotonic uterine dysfunction
  • Primary inadequate contractions
  • Uterine inertia during latent phase of labour

Exclusions from above levels

  • 1C14 – Obstetrical tetanus
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 23 – External causes (for mortality)
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  • 5A61.0 – Postpartum necrosis of pituitary gland
  • http://id.who.int/icd/entity/882114523 – Mental or behavioural disorders associated with pregnancy, childbirth or the puerperium

Sibling codes

  • JB02.1 – Secondary uterine inertia
  • JB02.2 – Other uterine inertia
  • JB02.3 – Precipitate labour
  • JB02.4 – Hypertonic, incoordinate, or prolonged uterine contractions
  • JB02.Y – Other specified abnormalities of forces of labour
  • JB02.Z – Abnormalities of forces of labour, unspecified

Foundation entity

Primary uterine inertia – http://id.who.int/icd/entity/773832481

Part of: JB02: Abnormalities of forces of labour › 18: Pregnancy, childbirth or the puerperium