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What is a Urine Drug Test and How a Urine Drug Test Works

Contents 1 What is a Urine Drug Test? 2 How a Urine Drug Test Works 3 External Links: How a Urine Drug Test Works 4 Related Articles: How a Urine Drug Test Works

What is a Urine Drug Test?

A urine drug test generally involves the donor giving a sample of urine to the drug test entity to test for drug use. After urine collection from the donor, the urine drug test sample is either tested on-site or sent out to a lab for more exhaustive urine drug test. On-site urine drug testing provide qualitative results, and when supplemented with laboratory-based confirmation urine drug tests, can be defended in a court of law.

How a Urine Drug Test Works

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Also known as urinalysis, the urine drug test 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.

For more information on How a Urine Drug Test Works see Urine Drug Test

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Related Articles: How a Urine Drug Test Works

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