What is a 3 part drug test? Unpacking the Panels and Process
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4 min read
Over 70% of companies in the United States conduct some form of drug testing on their employees, which often involves testing for multiple substances at once. When people refer to a **3 part drug test**, they may mean one of two things: a basic 3-panel test that screens for three common drug classes, or a comprehensive three-stage process involving an initial screening, a confirmatory lab test, and a review of the results. This article clarifies both interpretations to provide a complete understanding of the terminology.
