The most common reason for drug screening is for pre-employment purposes. The federal government requires companies that employ people with commercial class driver’s licenses to be given a drug test, known as the SAMHSA5, which tests for five specific drugs:
Opiates (heroin, morphine)
Because of this requirement, most employers, although not mandated to, use the SAMHSA5 for prospective employees. The three main ways to detect drugs in the body are through blood, hair, and most often, urine. Let’s discuss each of the five drugs individually.
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