Table Classification of Blood Pressure (BP) in Children Classification Age 1 to < 13 Years, BP Age ≥ 13 Years, BP Normal < 90th percentile * < 120/< 80 Elevated ≥ 90th percentile (or ≥ 120/80, whichever is lower) to < 95th percentile 120 - 129/< 80 Stage 1 hypertension ≥ 95th percentile to < 95th percentile + 12 mm Hg OR 130/80 to 139/89, whichever is lower 130/80 to 139/89 Stage 2 hypertension ≥ 95th percentile + 12 mm Hg OR ≥ 140/90, whichever is lower ≥ 140/90 * Percentiles refer to systolic BP.