C. Ronald Kahn, M.D. President and Director, Joslin Diabetes Center What is the A1c blood test? The hemoglobin A1C test is a measure of what we call long term glucose control. The way this works ...
The hemoglobin A1C test is a useful tool to help monitor glucose control or diagnose diabetes, but it’s not foolproof. Certain health conditions or medications may interfere with the test ...
Your A1C measures the amount of sugar in your red blood cells and gives an average of your blood sugar over a three-month period. Why is that important? After all, when you have diabetes ...