This lab test measures your blood sugar. It is important as it can help diagnose diabetes mellitus as well as evaluate how you are doing on treatment for diabetes.
Fasting Glucose Overview
Reviewed: April 21, 2014
A blood glucose test measures the amount of a sugar (glucose) in a sample of your blood. A fasting glucose test is done on a person who has not had anything to eat or drink at least 8 hours prior to the test.
Fasting glucose is measured in milligrams per deciliter (mg/dL).
A normal range for fasting glucose is between 70 and100 mg/dL
Fasting 8 hours before the test is usually required.
Water intake is allowed.