quest diagnostics drug test detection times

How should I collect and store a pee (urine) sample? (2019).Objective testing: Urine and other drug tests. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. 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.

Doctors, sports officials, and employers may request these tests.

Quest diagnostics drug test detection times