JA20.0

ICD-11 MMS 2026-01

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

Description

A condition affecting pregnant females, caused by previously diagnosed, or diagnosed within the first 20 weeks, hypertension. This condition is characterised by blood pressure of 140/90 mmHg or greater, 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 essential hypertension complicating pregnancy, childbirth or the puerperium
  • Essential hypertension specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
  • primary 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

  • JA20.1 – 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
  • JA20.4 – Pre-existing secondary hypertension 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 essential hypertension complicating pregnancy, childbirth or the puerperium – http://id.who.int/icd/entity/1126579721

Allowed postcoordination axes

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