label: Elevated red cell pyruvate kinase activity
label_lc: elevated red cell pyruvate kinase activity
description: "Activity or concentration of pyruvate kinase (EC 2.7.1.40) in erythrocytes above the upper limit of normal. Pyruvate kinase (EC 2.7.1.40) is a glycolytic enzyme that catalyzes the transphosphorylation from phosphoenolpyruvate (PEP) to ADP, yielding pyruvate and ATP."