JA20.4

ICD-11 MMS 2026-01

Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium

Description

A condition affecting pregnant females, caused by renal disease, endocrine disorders, or tumours. This condition is characterised by blood pressure greater than 140/90 mmHg prior to the 20th week of pregnancy, or persisting longer than 12 weeks postpartum, leading to a complication during pregnancy, childbirth, and the puerperium. Confirmation is by sphygmomanometer.

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

  • Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium
  • Secondary hypertension specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
  • Pre-existing nephritis with secondary hypertension complicating pregnancy, childbirth or puerperium
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  • Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium due to renal disease
  • Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium due to tumours
  • Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium due to endocrine disease

Inclusions

  • Secondary hypertension specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

Exclusions from above levels

  • JA21 – Pre-eclampsia superimposed on chronic hypertension
  • 1C14 – Obstetrical tetanus
  • 22 – Injury, poisoning or certain other consequences of external causes
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  • 23 – External causes (for mortality)
  • 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

  • JA20.0 – Pre-existing essential hypertension complicating pregnancy, childbirth or the puerperium
  • JA20.1 – Pre-existing hypertensive heart disease complicating pregnancy, childbirth or the puerperium
  • JA20.2 – Pre-existing hypertensive renal disease complicating pregnancy, childbirth or the puerperium
  • JA20.3 – Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth or the puerperium
  • JA20.Y – Other specified pre-existing hypertension complicating pregnancy, childbirth or the puerperium
  • JA20.Z – Pre-existing hypertension complicating pregnancy, childbirth or the puerperium, unspecified

Foundation entity

Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium – http://id.who.int/icd/entity/1147534692

Allowed postcoordination axes

Part of: JA20: Pre-existing hypertension complicating pregnancy, childbirth or the puerperium › 18: Pregnancy, childbirth or the puerperium