2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Complications Mainly Related To Pregnancy 640-649 > Hypertension Complicating Pregnancy Childbirth And The Puerperium 642.* > 2008 ICD-9-CM Diagnosis 642.3 Transient hypertension of pregnancy  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 642.3 can be accessed here. A condition in pregnant women with elevated systolic (>140 mm Hg) and diastolic (>90 mm Hg) blood pressure on at least two occasions 6 h apart. HYPERTENSION complicates 8-10% of all pregnancies, generally after 20 weeks of gestation. Gestational hypertension can be divided into several broad categories according to the complexity and associated symptoms, such as EDEMA; PROTEINURIA; SEIZURES; abnormalities in BLOOD COAGULATION and liver functions. HYPERTENSION that develops as a result of PREGNANCY and regresses post partum. It is hypertension without PROTEINURIA or pathological EDEMA. 642.3 is a non-specific code that cannot be used to specify a diagnosis 642.3 contains 4 index entries View the ICD-9-CM Volume 1 642.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 642.3: Hypertension, hypertensive (arterial) (arteriolar) (crisis) (degeneration) (disease) (essential) (fluctuating) (idiopathic) (intermittent) (labile) (low renin) (orthostatic) (paroxysmal) (primary) (systemic) (uncontrolled) (vascular) 401.0 401.1 401.9 complicating pregnancy, childbirth, or the puerperium 642.2 642.0 642.9 gestational - - 642.3 transient - - 642.3 gestational (transient) NEC - - 642.3 transient - - 796.2 of pregnancy - - 642.3