Q:

How do you read a blood glucose chart?

A:

Quick Answer

A blood glucose chart shows values that indicate a prediabetic or diabetic condition, explains the National Diabetes Information Clearinghouse. The chart is read by comparing the patient blood glucose values with the normal reference values on the chart.

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Full Answer

A blood glucose chart shows the results of three tests: hemoglobin A1c, fasting plasma glucose and oral glucose tolerance. The normal values for an average adult who does not suffer from diabetes are 5 percent for hemoglobin A1c, 70 to 100 milligrams per deciliter for fasting plasma glucose and less than 140 milligrams per deciliter one hour after the oral glucose tolerance test, states both the National Diabetes Information Clearinghouse and WebMD. The acceptable values for these tests may vary across testing facilities, and a patient's results need to be evaluated by a physician, according to MedlinePlus.

The chart also shows reference values for prediabetes and diabetes with specific reference values listed for each condition, the National Diabetes Information Clearinghouse reports. High blood glucose values may also indicate the presence of other conditions such as pancreatitis, trauma or the presence of tumors of the adrenal gland or the pancreas. A blood glucose test is administered to confirmed diabetics or as part of a general physical examination, according to MedlinePlus

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