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Nicotine and Cotinine Test

  • Test
Nicotine and cotinine tests detect evidence of nicotine in the body. Learn more about when these tests may be used and how to understand your test results.
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Urine Drug Test

  • Test
Urine drug tests are the most common method of testing for the use of illegal drugs and the misuse of prescription and over-the-counter medicines.
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Hair Follicle Drug Test

  • Test
Considering a hair follicle drug test? Learn about how long drugs can be detected in the hair, which drugs can be identified, and how hair testing works.
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First Trimester Screening

  • Test
The first trimester prenatal screening includes tests that assesses the risk that a fetus has a chromosome disorder such as Down syndrome.
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Collecting Samples for Laboratory Testing

  • Article
Today's technologies allow testing on an impressively wide variety of samples collected from the human body. Learn about these samples and how they are collected to ensure accurate and reliable testing.
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Drug Testing

  • Page
Drug testing detects evidence of drug use. Learn about types of drug tests, when drug testing is used, and interpreting drug test results.
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