Pre-diabetes is diagnosed by a blood test. If your blood sugar level is between 100 and 125 mg/dL, you have prediabetes. A blood glucose level in this range is considered to be a risk factor for type 2 diabetes.
I recently received an e-mail from a friend who was concerned about interpreting kidney function tests (KFTs), which led me to think it's time for a review of these tests to help you interpret your lab results. There are lots of discussions of these tests on-line, ranging from detailed and frankly verbose (e.g., look up the name of the test at…