The test for prediabetes is really a straightforward blood test. The test will figure out what your blood glucose level, which is just the amount of sugar inside your blood. Prediabetes is diagnosed when your blood glucose level is higher than normal, but not so high that it meets the standard for normal diabetes. If it is found that a random capillary blood glucose level is hither than 100md/dl, a second test is conducted, referred to as a fasting glucose (or oral) tolerance test.
