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How Urine Drug Testing Works
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What is Urine Drug Testing and How Urine Drug Testing Works
Contents |
What is Urine Drug Testing?
Urine drug testing generally involves the donor giving a sample of urine to a drug testing entity to test for drug use. After collection of the urine sample from the donor, the urine test is either performed on-site or sent out to a lab for a more exhaustive urine drug test. On-site urine drug testing provide qualitative results, and when supplemented with laboratory-based confirmation urine tests, can be defended in a court of law.
For more information on what urine drug testing is see Urine Drug Test
How Urine Drug Testing Works
 | Also known as urinalysis, this procedure requires that one provide a sample of urine. Either a test card is used on site for immediate results or the sample is sent away to a lab to undergo gas chromatography/mass spectrometry (also known as GCMS), high performance liquid chromatography or immunoassay analysis. The majority of tests administered in pre-hire and even most probate scenarios are of the immediate, and less accurate "at home" variety. Most "dip stick" type tests have higher thresholds for a postive than do the GCMS tests. If a positive result (drug presence indicated) is found, the sample is usually sent to a lab for GCMS confirmation. This is largely due to the costliness of GCMS labaratory testing and time it takes to process and receive results. |
External Links: How Urine Drug Testing Works
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