label: Abnormal base excess
label_lc: abnormal base excess
description: "Deviation from the normal quantity of base excess, defined as the amount of strong acid (in millimoles per liter) that needs to be added in vitro to 1 liter of fully oxygenated whole blood to return a blood sample to standard conditions (pH of 7.40, Pco2 of 40 mm Hg, and temperature of 37 degrees C)."