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 A1C level test can give false or inaccurate results in some people. Your A1C level can be falsely elevated due to certain medications or health conditions like anemia, among other reasons.

Before addressing glucose and A1C, it is important to consider the factors that impact the results of any blood test. While laboratory medicine journals have devoted some discussion to the sources ...

The screening involves getting an A1C test, also known as a hemoglobin A1C test, to measure your average blood sugar level over the past 90 days. Dr. Peterson says this blood test is used to diagnose ...

What are the Practical Issues Related to A1C Testing? A1C tests to diagnose diabetes should be performed using clinical laboratory equipment. Point-of-care instruments have not yet been shown to ...

How often should you test your glucose and A1C? How do food, sleep and exercise affect blood sugar? Here’s what to know. Credit...Illustration by Andrei Cojocaru; Photos by Getty Supported by By ...