Essential (primary) hypertension

**Includes:** - high blood pressure - hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)

**Excludes1:** - hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)

**Excludes2:** - essential (primary) hypertension involving vessels of brain (I60-I69) - essential (primary) hypertension involving vessels of eye (H35.0-)