Urine Drug Test: Screening Test and Confirmatory Test

Urine drug tests are commonly performed to detect a drug user through his urine. It is done routinely to checks for drugs or their byproducts in the urine. There are many purposes of these tests including drug detoxification programs, school and employment screening, athletic screening and emergency room settings. This test detects the commonly used drugs such as: cocaine, marijuana, barbiturates, amphetamines, phencyclidine, metamphetamines, benzodiazepines and opiates. Urine drug test has been suggested and in many cases implemented for prospective and current employees in industry, for personnel of the armed forces, for parolees and bail seekers in civilian court systems, for workers in the transportation industry and for individuals who serve as role models, such as nationally known athletes.

reading_test_resultsSociety is becoming increasingly aware of the impact of drug use on public safety. Drug abuse in the workplace is amenable to carefully planned prevention programs; however, urine drug detection provides a powerful tool for use in such programs. Many employers require their employees to get urine test before hiring them so that the test can be used to keep people with the drug problems out of jobs that require the ability to be alert and focused.

TYPES OR URINE DRUG TEST

There are two types of urine drug test: a SCREENING TEST and a CONFIRMATORY TEST. The screening test uses an immunoassay to look for the parent drug and/or metabolite. This is cost-effective and gives the results quickly. Most urine drug tests screen for marijuana, cocaine, opiates, amphetamines, while some also test for benzodiazepines and methadone. However it does not pick up on all opioids (narcotics). Also, it sometimes gives false results or positives.

A false positive occurs when the test results come back positive for drugs, but no drugs have been taken. If your first test does come back positive, but you are not into drug abuse, you will be given a second type of tests which is the confirmatory test. Confirmatory urine drug test is usually done through the use of gas Chromatography and mass spectrometry which are simply dubbed as GC/MS. This may also be through HPLC or (high-performance liquid chromatography). The test results are known to be highly specific and are typically used to single out a specific drug during the test. Due to these, GC/MS are usually more expensive than the other and may take longer, but the results are definitely accurate.

For inquiries about urine drug test click here and feel free to fill this form. 
you can also email us @ info@drugabusecontrol.com or simply call (800) 366-5029

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Posted on June 5, 2015, in drugs, employment, health, medical equipment and tagged , . Bookmark the permalink. Leave a comment.

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