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  1. A1C: What It Is, Test, Levels & Chart - Cleveland Clinic

    Healthcare providers do A1C tests in one of two ways: A phlebotomist takes a blood sample from your vein and sends it to a lab for analysis (the most common form of the test). A provider gets …

  2. Hemoglobin A1C (HbA1c) Test: MedlinePlus Medical Test

    What is a hemoglobin A1C (HbA1C) test? A hemoglobin A1C (HbA1C) test is a blood test that shows your average level of blood glucose, also called blood sugar, over the past two to three …

  3. 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 …

  4. 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.

  5. 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.

  6. Understanding A1C Test | ADA

    Learn about the A1C test, a simple blood sugar test to diagnose prediabetes or diabetes, hemoglobin A1C and what do numbers mean, and how A1C relates to eAG.

  7. 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, …

  8. Hemoglobin A1c Test: Levels, Normal, High, Low, Chart, Schedule

    Jul 18, 2025 · Hemoglobin A1c levels correlate with average levels of glucose in the blood over an approximately three-month time. Normal ranges for hemoglobin A1c in people without …

  9. What is HbA1c? | Blood Test | Target Levels | Diabetes UK

    HbA1c is your average blood glucose (sugar) levels for the last two to three months. If you have diabetes, an ideal HbA1c level is 48mmol/mol (6.5%) or below. If you're at risk of developing …

  10. A1C levels: Dangerous vs normal and how to lower It? - Drugs.com

    Apr 29, 2025 · What is A1C and what does it measure? The A1C test (also known as the hemoglobin A1c, HbA1c, or glycated hemoglobin test) is a common blood test used to …