A1C: What It Is, Test, Levels & Chart - Cleveland Clinic
Nov 22, 2022 · An A1C test measures the average amount of sugar in your blood over the past few months. Healthcare providers use it to help diagnose prediabetes and Type 2 diabetes …
Hemoglobin A1C (HbA1c) Test: MedlinePlus Medical Test
An A1C test gives you an average level of your blood glucose level over the past two to three months. An A1C test may be used to screen for or diagnose: Type 2 diabetes. With type 2 …
A1C Test for Diabetes and Prediabetes | Diabetes | CDC
May 15, 2024 · The A1C test—also known as the hemoglobin A1C or HbA1c test—is a simple blood test. Your A1C is used to diagnose prediabetes and diabetes, and monitor your progress.
Hemoglobin: A1C Test, Range, and Normal Levels - WebMD
Jun 17, 2024 · To find out your hemoglobin levels, your doctor can give you a hemoglobin test.
HbA1C Test - Procedure, Normal Range, and Benefits
Find out how the HbA1C test helps monitor blood sugar over time. Explore its uses, procedure, and how it aids in diagnosing diabetes and prediabetes.
A1C test - Mayo Clinic
Feb 22, 2025 · For people living with diabetes, the test checks how well they manage blood sugar levels. The A1C test also is called the glycated hemoglobin, glycosylated hemoglobin, …
Understanding A1C Test | ADA - American Diabetes Association
What Is the A1C Test? The A1C test can be used to diagnose diabetes or help you know how your treatment plan is working by giving you a picture of your average blood glucose (blood …
Hemoglobin A1c (HbA1c): What to know if you have diabetes or ...
Jun 30, 2025 · Hemoglobin A1c (HbA1c) is a measure of average blood sugar. Learn how it’s measured, what’s considered normal HbA1c, what HbA1c level you’ll want to target if you …
Hemoglobin A1c Test: Levels, Normal, High, Low, Chart, Schedule
Jul 18, 2025 · Hemoglobin A1c (HbA1c) test is used as a standard tool to determine the average blood sugar control levels over a period of three months in a person with diabetes. Learn …
Hemoglobin A1c - The Johns Hopkins Patient Guide to Diabetes
Blood glucose levels fluctuate from hour to hour, day to day; but the A1C level reflects the overall average and is the best test to monitor blood glucose control in the past 3 months. The A1C …