Patient Preparation: No special preparation is required

More: The Glucose-6-Phosphate Dehydrogenase (G6PD) Quantitative test measures the activity level of the G6PD enzyme in red blood cells. G6PD is crucial for protecting red blood cells from damage. This test is used to diagnose G6PD deficiency, a genetic disorder that can lead to hemolytic anemia, especially after exposure to certain triggers like certain medications, infections, or foods (e.g., fava beans).