Pre-existing hypertension complicating pregnancy, childbirth or the puerperium

Definition

A condition affecting pregnant females, caused by previously diagnosed maternal hypertension. This condition is characterised by any complication during pregnancy, childbirth, and the puerperium as a result of a blood pressure reading above 140/90 mmHg prior to the 20th week of pregnancy, or persisting longer than 12 weeks postpartum. Confirmation is by sphygmomanometer.

Exclusions

• Pre-eclampsia superimposed on chronic hypertension (JA21)

7 subordinate codes

• JA20.0Pre-existing essential hypertension complicating pregnancy, childbirth or the puerperium
• JA20.1Pre-existing hypertensive heart disease complicating pregnancy, childbirth or the puerperium
• JA20.2Pre-existing hypertensive renal disease complicating pregnancy, childbirth or the puerperium
• JA20.3Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth or the puerperium
• JA20.4Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Oedema, proteinuria, or hypertensive disorders in pregnancy, childbirth, or the puerperium

• JA21Pre-eclampsia superimposed on chronic hypertension
• JA22Gestational oedema or proteinuria without hypertension
• JA23Gestational hypertension
• JA24Pre-eclampsia
• JA25Eclampsia
• 4B4ZDiseases of the immune system, unspecified