The classification of blood pressure (BP) for adults age 18 years and older as given in the Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC 7) is as follows:
• Normal: BP < 120 systolic; diastolic <80 mmHg
• Prehypertension: 120–139; diastolic 80–89
• Stage 1 hypertension: 140–159; diastolic 90–99
• Stage 2: > 160; >100