what does glucose serum mean in a blood test
Save. A glucose serum test determines the amount of sugar in your blood. A low glucose serum level can be a sign of a condition called hypoglycemia.1  What Causes Low Creatinine Levels? 2  Blood Sugar Levels & What They Mean. glucose serum test determines the amount of sugar in your blood. A low glucose serum level can be a sign of a condition called hypoglycemia. 1  What Causes Low Creatinine Levels?