![]() Under federal regulations, DOT drug tests go through a two-step process. What Does a Positive Test Result Mean?Ī positive test result means that the targeted drug or drug metabolites were detected in the sample. If a test detects less than that minimum amount in a sample, it will be reported as a negative result. Under federal government guidelines, a minimum amount of drugs must be detected before a test will be reported as positive. ![]() In some cases, a test result will be reported as negative even though trace amounts of a drug were detected. What Does a Negative Test Result Mean?Ī negative drug test result means that a drug or its metabolites were not detected in the person’s sample. This stands for nanograms per milliliter and is a unit of measurement of a substance’s density. On a drug test lab report, you will see ng/ML next to the various substances that were tested for. There are also a variety of medications that can cause false positive drug test results, including cough suppressants, allergy medications, anti-hypertensive medications, sleep aids, and others.Įmployees and applicants should bring in their prescription drugs and provide a list of any over-the-counter medications they are taking to prevent false-positive results. The cut-off levels allow you to understand the chance that you might receive false positives.Ī drug test with a low cut-off level might result in more false positives because of trace amounts of substances that could be present because of innocent activities.įor example, a person who has eaten poppy seeds on a bagel or pastry might return a positive result for opiates on a drug test with a low cut-off level.Ī drug test with a fairly high cut-off level might mean that some drug traces might not be detected. What Does a Cut-off Level Refer to?ĭrug tests also have cut-off levels for different drugs used for determining whether a result will be reported as positive or negative. This makes it important for applicants and employees to bring lists of their prescription drugs with them when they undergo drug screens. Whether the person is currently under the influenceĭepending on the substances you test for, certain prescription drugs could also cause positive results.Whether the person has a substance abuse problem.How the substance got into the person’s body.What a Positive Drug Result Will Not Reveal Lab reports don’t give other information that might be relevant to hiring or disciplinary decisions. While drug screening returns positive or negative results, you should consider a few other things. How Do You Read the Results of a Drug Test?Īt iprospectcheck, all positive drug test results are confirmed by a Medical Review Officer (MRO) before being reported to the requesting company. Here’s what to know about employment drug tests and their results. Drug tests check for multiple substances, making them hard to interpret. However, you might be confused about how to read drug test results from the lab. Depending on the nature of your company, you might also conduct routine drug screens to ensure your employees remain drug-free. ![]() Many employers view pre-employment drug tests as an integral part of hiring. Drug testing helps to ensure your work environment is productive while reducing the risk of accidents. As an employer, you want to maintain a safe workplace.
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