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The Casual Plasma Glucose Test for Diabetes

The casual plasma glucose test is another method of diagnosing diabetes. During the test, blood sugar is tested without regard to the time since the person's last meal. You are not required to abstain from eating prior to the test.

A glucose level greater than 200 mg/dL may indicate diabetes, especially if the test is repeated at a later time and shows similar results.

The Oral Glucose Tolerance Test for Diabetes

The oral glucose tolerance test is yet another method used to detect diabetes, but it is usually only done during pregnancy to diagnose gestational diabetes or for someone who is suspected of having type 2 diabetes yet has a normal fasting glucose level. It can also be performed to diagnose prediabetes.

Diabetes and the Hemoglobin A1c Test

The hemoglobin A1c test (also called the glycated hemoglobin test or HbA1c), is an important diabetes blood test used to determine how well your diabetes is being controlled. This diabetes test provides an average of your blood sugar control over a six- to 12-week period and is used in conjunction with home blood sugar monitoring to make adjustments in your diabetes medicines. The HbA1c level can also be used to diagnose diabetes if a value of equal to or greater than 6.5% is found.

Other Diabetes Tests

Along with the hemoglobin A1c test, it's important for people with diabetes to have a dilated eye exam at least once a year as part of a complete eye exam. This important test can detect early signs of retinopathy, which may have no symptoms at first. A foot exam once or twice a year -- or at every doctor's visit -- is also imperative to detect decreased circulation and sores that may not be healing. Early detection of eye and foot problems in diabetes allows your doctor to prescribe proper treatment when it is most effective.

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