Understanding Your Test Results

Use the following chart to help understand how your test results can be interpreted as ideal, pre-diabetes, or diabetes.

  Fasting Blood Glucose Oral Glucose Tolerance Test Random Blood Sugar A1C
Description Test of sugar levels at least 8 hours without food Test of sugar 2 hours after a glucose drink Taken any time of day without fasting Average level of blood sugar over past 2-3 months
Ideal Result Less than 100mg/dl Less than 140 mg/dl Less than 140 (even after eating a large meal) Less than 5.7%
Pre-diabetes 100-125mg/dl 140-199mg/dl 140-200 5.7% to 6.4%
Diabetes 126mg/dl and greater 200 mg/dl and greater 200 or greater 6.5% or more