Fasting Blood Glucose (FBG) Test
Blood
Diabetes
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How to Prepare for Fasting Blood Glucose (FBG) Test
- Fast for 8–12 hours before the test, avoiding all food and drinks except plain water.
- Schedule the test for the morning, since a long overnight fast is the easiest way to meet the fasting requirement.
- Avoid strenuous exercise immediately before the test, as it can temporarily lower blood glucose readings.
- Take your usual medications as prescribed unless your doctor specifically advises otherwise before a fasting test.
More About Fasting Blood Glucose
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Quick Facts
CategoryDiabetes
Specimen TypeBlood
Organ System—
Available At0 labs
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