Weight loss and increased physical activity or the drug metformin can delay or prevent type 2 diabetes, but fewer than 10 percent of people with prediabetes have been diagnosed. An estimated 79 million adults have prediabetes, blood glucose levels that are higher than normal but not high enough to be called diabetes, which places people at increased risk for developing type 2 diabetes. Left untreated, diabetes can lead to heart disease, stroke, kidney disease, blindness, amputation, and other serious complications. The A1C test also helps providers adjust medication for people with diabetes to reduce the risk of long-term complications.Ībout 26 million Americans are living with diabetes, and more than 7 million of them do not know it. Early identification and prompt treatment can delay or prevent type 2 diabetes and complications of the disease. The test is convenient because it does not require fasting.Įxperts hope the ease of A1C testing will encourage more people to be checked for prediabetes and type 2 diabetes. But in 2009, an international committee of experts convened by the American Diabetes Association, International Diabetes Federation and European Association for the Study of Diabetes recommended expanding the use of the test to include diagnosing type 2 diabetes and prediabetes. Originally, the A1C test had been recommended only for monitoring diabetes. where to learn more about A1C tests in people with hemoglobin variants.other blood tests for type 2 diabetes and prediabetes.The A1C Test and Diabetes covers a wide range of information, including
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We hope this fact sheet will help people better understand why the test is important, how to interpret results, and why results may differ from expected." "Lab tests and results, particularly the A1C, can be confusing. "The fact sheet, called The A1C Test and Diabetes, offers in-depth information for people being tested," said Judith Fradkin, M.D., a diabetes specialist at the NIH’s National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). The higher the percentage, the higher a person's average blood glucose levels, which can cause complications in people with diabetes.
The test result is reported as a percentage. The test is sometimes referred to as the hemoglobin A1c, HbA1c, or glycohemoglobin test. The A1C blood test provides information about average blood glucose levels, also called blood sugar, over the past three months. Thursday, JanuNew NIH fact sheet explains test for diabetes, prediabetesĪ new fact sheet from the National Institutes of Health explains the A1C test, a widely used and important test to diagnose type 2 diabetes and prediabetes, and to monitor blood glucose levels of people with type 1 and type 2 diabetes.
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