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Collecting Samples for Testing

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You may notice on this web site that some tests can be performed on more than one type of sample. For example, glucose testing can be performed on both blood and urine samples. However, the sample used for testing is often determined by the purpose of the particular test: a blood glucose test is used to help diagnose diabetes and monitor blood glucose levels in diabetics while urine glucose is one of the substances tested when a urinalysis is performed, such as when a urinary tract infection or kidney disorder is suspected. Sometimes there are options for the type of sample, such as with HIV antibody testing (blood, urine, and oral fluid screening tests are available), and in other situations, one particular type of sample is required.

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