Why I screen for hyperglycemia using hemoglobin A1c (HbA1c)

As you know, the hemoglobin A1c (HbA1c) reflects the average blood sugar over the previous two or three months. In another article on this website, we noted that to screen for type 2 diabetes mellitus or prediabetes, any of the following three laboratory tests is considered adequate by the American Diabetic Association (2024): 1. Fasting plasma…