Glucose 6 Phosphate Dehydrogenase G6PD Deficiency Glucose 6 phosphate dehydrogenase deficiency X linked recessive disorder Leads to low NADPH, impairing glutathione regeneration RBCs are vulnerable to oxidative damage Pathophysiology: In G6PD deficiency: No G6PD Deficiency and G6PD Activity Testing Mindray Glucose 6 phosphate dehydrogenase (G6PD): Response of the human erythrocyte and another cells to the decrease in their activity