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 three months. Providers use it to diagnose diabetes and monitor diabetes management.
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 …
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.
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, …
Hemoglobin: A1C Test, Range, and Normal Levels - WebMD
Jun 17, 2024 · The hemoglobin A1c test tells you your average level of blood sugar over the past 2-3 months. It's also called HbA1c, the glycated hemoglobin test, or glycohemoglobin.
A1C levels: Dangerous vs normal and how to lower It? - Drugs.com
Apr 29, 2025 · This guide explains what A1C is, what counts as a normal or dangerous A1C level, and how you can lower your A1C through healthy lifestyle changes and, if needed, with …
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 …
A1C Conversion Chart and Calculator - Accu-Chek
Your A1C test result (also known as HbA1c or glycated hemoglobin) can be a good gauge of your diabetes control because it provides an estimated average blood glucose level over the past …
A1C: What It Is and What Normal Levels Are - Health
Oct 1, 2025 · The A1C test measures blood sugar levels over the past two to three months. Normal A1C levels are lower than 5.7%, while 6.5% or above indicates type 2 diabetes.
The A1C Test & Diabetes - NIDDK
Learn what the A1C test is, how it works and is used to diagnose and monitor type 2 diabetes and prediabetes, when it doesn’t work, and how A1C relates to eAG.