Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. A false-negative result can occur when urine is very diluted, for example. Secondhand smoke is one example of passive exposure.Īlso, both IA and GC-MS tests can produce false-negative results. Cut-offs also reduce the likelihood of testing positive due to only passive exposure to a drug. This means that a result is only positive when the test detects an amount of a drug that is above a certain level. To minimize the risk of false positives, urine drug screens have cut-off levels. For example, consuming high enough quantities of dextromethorphan, a common ingredient in cough syrups, can cause a positive result for PCP on this type of test. It is important to note that consuming certain legal substances can lead to false-positive IA test results. A doctor may require a more specialized IA test to check for synthetic and semisynthetic opioids, such as methadone. Generic IA tests can show cocaine, amphetamines, opioids, cannabinoids, and PCP. A person should check with local authorities. Laws about employee drug testing differ geographically. For example, United States federal law mandates that people working in the transportation industry take regular drug tests. This is more common in workplaces that require high levels of safety. Or, staff may have to do this on a regular basis. Some employers request that new staff members take urine drug tests. Making sure that all athletes are performing without these drugs ensures fair competition. The World Anti-Doping Agency regulates the use of performance-enhancing substances in many global sports events. Many sporting officials require urine tests to check whether athletes have used performance-enhancing drugs, such as anabolic steroids. Learn more about the treatments for addiction here. Rehabilitation programsĭrug and alcohol rehabilitation programs may request urine drug screens at initial assessments and follow-up appointments. DoctorsĪ doctor may request a urine drug screen if they think that a person has been using illegal drugs or misusing prescription drugs.įor example, a doctor may ask for a urine screen to determine if a person is taking a prescribed opioid medication in a way other than the doctor intended.Ī member of an emergency services team may request a urine drug screen if they suspect that a person is behaving strangely or dangerously due to the influence of drugs. Available for non-regulated drug testing programsĭownload our Express Results Online brochure and case studyįor more information about drug testing, visit our website.Doctors, sports officials, and employers may request these tests.Simplify the drug test collection experience.Every collector follows a standardized protocol that helps to ensure a flawless collection experience every time.Įxpress Results Online helps you to easily manage the drug testing process electronically with remarkable speed. Our nationwide collection site network offers convenient drug testing locations staffed with trained collectors. You are able to select which drugs to include in your panel. Express Results Online screens for amphetamine, barbiturates, benzodiazepines, cocaine, marijuana, methadone, methamphetamine, opiates, oxycodone, PCP and propoxyphene. Negative results are available within minutes from the time of collection and the instant test device can screen for up to 11 different drugs. The entire drug testing process is completed online – from order to result. The Express Results Online testing process is designed to consistently deliver both speed and accuracy. Quest Diagnostics now offers Express Results Online, an instant, urine drug testing solution designed to deliver fast, dependable results – we understand time is critical. Do you need to quickly determine if a job candidate is drug-free? Do you want a test panel that screens for a variety of commonly-used drugs? Would you prefer to let a trained collector administer the drug test?
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