What Is the Difference Between DOT And Non-DOT Drug Tests?

DOT and Non-DOT drug tests refer to two types employers use in different settings.

DOT drug tests are mandated by the U.S. Department of Transportation (DOT) for employees in safety-sensitive positions, such as commercial drivers, pilots, and railroad workers. Non-DOT drug tests are used by employers in other industries and for non-safety-sensitive positions.

One of the main differences between DOT and Non-DOT drug tests is the substances that are tested for. DOT drug tests are required to test for five specific drugs (marijuana, cocaine, amphetamines, opiates, and phencyclidine or PCP), while Non-DOT drug tests can test for a broader range of drugs.

Another difference is the process for the collection and testing of samples. DOT drug tests require strict procedures and chain-of-custody protocols to be followed, and specimens are tested at laboratories certified by the DOT. Non-DOT drug tests may have different collection procedures and may be tested at Non-DOT-certified laboratories.

Additionally, the consequences of a positive drug test can be different for DOT and Non-DOT employees. DOT regulations require specific steps for a positive drug test result, including removal from safety-sensitive duties and completing a substance abuse program. At the same time, Non-DOT employers may have policies and procedures for addressing positive drug test results.

Overall, the main differences between DOT and Non-DOT drug tests are the substances tested for, the collection and testing procedures, and the consequences of a positive result.

  • Answered by:
  • Published: 02/26/2023
  • Updated: 02/26/2023
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