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Pre-existing hypertension complicating pregnancy, childbirth or the puerperium

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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)

sections/codes in this section (JA20-JA20)

• Pre-existing essential hypertension complicating pregnancy, childbirth or the puerperium  (JA20.0)
• Pre-existing hypertensive heart disease complicating pregnancy, childbirth or the puerperium  (JA20.1)
• Pre-existing hypertensive renal disease complicating pregnancy, childbirth or the puerperium  (JA20.2)
• Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth or the puerperium  (JA20.3)
• Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium  (JA20.4)
• Other specified pre-existing hypertension complicating pregnancy, childbirth or the puerperium  (JA20.Y)
• Pre-existing hypertension complicating pregnancy, childbirth or the puerperium, unspecified  (JA20.Z)

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