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, however, offers a more complete picture of your diabetes management over the past few months. They may better reflect how your glucose levels fluctuate, whether it’s a 3 ...