COMPARING METER AND LABORATORY RESULTS
The blood glucose test result you obtain from your meter may be different from your laboratory result due to normal variation; however, the two results should be within 20% of each other.5 To make an accurate comparison between meter and laboratory results, follow these guidelines.
Before you go to the lab:
■Make sure your meter is clean.
■Perform check strip and control solution tests to make sure the meter is working properly.
■Comparisons will be more accurate if you have not eaten for at least four hours (and preferably eight hours) prior to doing the comparative tests.
■Take your meter with you to the lab.
While at the lab:
■Make sure that both tests are done within 15 minutes of each other.
■Wash your hands before obtaining a blood sample.
■Never use your meter with blood that has been placed in a
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