Glucose Blood Test

Taking a Glucose Blood Test

A glucose blood test also called a blood sugar test measures how good the processing of glucose or better known as sugar is done by your body. There are some types of glucose blood tests that are employed to identify pre-diabetes or diabetes while there is a glucose blood test that helps determine if diabetes management is going well.The glucose blood test used to measure the number of sugar in the blood after fasting at least eight hours or overnight is called fasting glucose blood test. For a normal fasting glucose blood test, the result is lower than 100mg of glucose per deciliter of blood (mg/dL).

You are considered pre-diabetic if your fasting blood sugar level is between 100 mg/dL and 125 mg/dL. This is also called impaired fasting glucose. For verification of the diagnosis, your doctor would have to repeat the glucose blood test after several days to at least a week. If your fasting blood sugar level reaches 125 mg/dL, it may already be classified as Type 1 or Type 2 diabetes. It may also be accompanied by symptoms like extreme thirst or hunger, frequent urination and blurry vision.

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Another type of glucose blood test is the random glucose blood test.This method allows you to measure your blood glucose level any time. It does not matter if you take the test before or after the meal or after fasting. Still, the normal result for a random glucose blood test should be lower than 100 mg/dL.For a random glucose blood tests, pre-diabetes is between 100 mg/dL and 199 mg/dL. Higher than 199 mg/dL is already considered either Type 1 or Type 2 diabetes. However, your doctor may still need to perform further tests to verify the type of diabetes.

The third type of glucose blood test is the oral glucose tolerance test. This test measures the response of your body to sugar. Your fasting blood sugar level is measured first and then you will drink a sugary solution. Afterwards, your glucose level is measured after an hour then another after two hours. If your glucose level is higher than the normal then you are already diabetic.It is important for you to eat normally and to be in shape for the test to be accurate because a simple cold can affect the result. Blood sugar level between 140 mg/dL and 199 mg/dL is pre-diabetic and above 199 mg/dL indicates diabetes.

The last type of glucose blood test is the A1C test that is also known as a glycated hemoglobin test. This test is not for the diagnosis of diabetes but a measurement of how well diabetes is being managed.