Also known as: Blood Sugar ; Fasting Blood Sugar ; FBS ; Fasting Plasma Glucose, FPG. This test is used to evaluate diabetes mellitus; evaluate disorders of carbohydrate metabolism including alcoholism; evaluate acidosis and ketoacidosis; evaluate dehydration, coma, hypoglycemia of insulinoma, neuroglycopenia.Blood should be drawn in the morning after an overnight fast (no caloric intake for at least eight hours), during which time the individual may consume water.
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