For proper diagnosis of G6PD deficiency, timing of the testing is critical.When should testing occur?

Question

Quizplus · Accepted Answer

Testing for G6PD deficiency should occur several months after a hemolytic attack to ensure that older red blood cells, which are more likely to show the deficiency, are present. Testing too soon after an attack or during reticulocytosis may yield false-negative results because young red blood cells have higher G6PD activity.

For Proper Diagnosis of G6PD Deficiency, Timing of the Testing