A1C: What It Is, Test, Levels & Chart - Cleveland Clinic
An A1C test measures the average amount of glucose (sugar) in your blood over the past three months. The result is reported as a percentage. The higher the percentage, the higher your blood glucose levels have been, on average.
Prediabetes Screening: Testing and Next Steps - Verywell Health
2024年4月3日 · The A1C test, also called the hemoglobin A1C test, is one option for identifying prediabetes. This simple blood test measures the average amount of glucose stuck to hemoglobin A for the past three months.
Hemoglobin: A1C Test, Range, and Normal Levels - WebMD
2024年6月18日 · A1c tests calculate the percentage of blood sugar in your bloodstream. The normal range, meaning you don’t have diabetes, is below 5.7%. That normal range remains the same no matter your age.
Understanding A1C Test | ADA - American Diabetes Association
The A1C test can also be used for diagnosis, based on the following guidelines: If your A1C level is between 5.7 and less than 6.5%, your levels have been in the prediabetes range. If you have an A1C level of 6.5% or higher, your levels were in the diabetes range.
A1C test - Mayo Clinic
2022年12月1日 · Specifically, the A1C test measures what percentage of hemoglobin proteins in your blood are coated with sugar (glycated). Hemoglobin proteins in red blood cells transport oxygen. The higher your A1C level is, the poorer your blood sugar control and the higher your risk of diabetes complications.
A1c Chart: Normal and Dangerous Diabetes Ranges - Verywell …
2024年5月1日 · When your A1c falls between 5.7% and 6.5%, it is considered prediabetic. An A1c in this range indicates that you regularly maintain a higher-than-normal blood glucose level, putting you at risk of developing type 2 diabetes.
The A1C Test & Diabetes - NIDDK - National Institute of ...
The A1C test measures the amount of hemoglobin with attached glucose and reflects your average blood glucose levels over the past 3 months. The A1C test result is reported as a percentage. The higher the percentage, the higher your blood glucose levels have been. A normal A1C level is below 5.7 percent.
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