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 ...

Your A1C level can be falsely elevated due to certain medications or health conditions like anemia, among other reasons. The hemoglobin A1C test is a useful tool to help monitor glucose control or ...

The screening involves getting an A1C test, also known as a hemoglobin A1C test, to measure your average blood sugar level ...