When using the A1C test for diagnosis, your doctor will send your blood sample taken from a vein to a lab that uses an NGSP-certified method. The NGSP, formerly called the National Glycohemoglobin Standardization Program, certifies that makers of A1C tests provide results that are consistent and comparable with those used in the Diabetes Control and Complications Trial.
Yes. Health care professionals also use the fasting plasma glucose (FPG) test and the OGTT to diagnose type 2 diabetes and prediabetes. For these blood glucose tests used to diagnose diabetes, you must fast at least 8 hours before you have your blood drawn. If you have symptoms of diabetes, your doctor may use the random plasma glucose test, which doesn’t require fasting. In some cases, health care professionals use the A1C test to help confirm the results of another blood glucose test.
You may barely make it to office on time, but that doesn’t mean you skip breakfast. That means you wake up earlier! A healthy breakfast starts your day on the right note. It gives your metabolism the kick-start it needs so that, later in the day, you don’t overeat. Choose healthy breakfast options like oatmeal, eggs with whole-wheat toast or a breakfast smoothie made with fresh fruits and vegetables.
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Islet Cell Cytoplasmic Autoantibodies (ICA)—Islet cells are clusters of cells in the pancreas that sense blood glucose levels and dole out insulin accordingly. This test looks at the reaction between islet cell antibodies from humans and a variety of islet cell proteins (including beta cells) from an animal pancreas, says Laffel. If your antibodies react with the animal islet cells, you have a marker for type 1. This is the oldest type 1 antibody test, and is not used as frequently today.