This test measures the blood level of glucose (sugar) after not eating for at least eight hours.
This test checks your blood sugar after not eating for at least 8 hours. It is one of the tests used to screen for diabetes or to make sure your diabetes treatment is working.
In an adult, the blood sample is taken from a vein in the arm. Sometimes it is taken by pricking a finger.
What should I ask my healthcare provider before having this test?
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