An A1C test is a blood draw used to diagnose and manage prediabetes and diabetes. Learn more about who needs this test and ...

The tests used to check for prediabetes or diabetes can help determine a diagnosis. The A1C test is a blood test that measures the percentage of sugar attached to hemoglobin, a protein in red ...

This will help you and your doctor make decisions about your diabetes treatment. To test your blood sugar, you’ll use a blood sugar meter. This measures the amount of sugar in a small sample of ...

This simple blood test, commonly used to screen for diabetes and prediabetes, provides donors with valuable health insights at no cost. Addressing Health Gaps with Free A1C Screenings According to ...

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 ...