Knowledge center

Quest Diagnostics

Knowledge center for drug testing

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Regardless of your tenure or experience with workplace drug testing, it can sometimes be a challenge to maintain your proficiency. We strive to provide industry-leading tools that answer questions, improve your programs, and leverage best practices.

The resources in our Knowledge Center give you access to dynamic program-enhancing tools and information. Since we know that staying well-informed is important to you, we provide most of these resources free of charge. This is yet another way we show We're There When You Need Us™.

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Drug Testing Savings Calculator

You can measure the value of drug testing with more accuracy than ever before. The step-by-step process gets you to a report in minutes based on your company and industry data.

Tabulate your ROI

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Drug testing blog

Our blog offers news and resources to keep you informed about science, technology, regulations, state and Federal legislation, and trends in workplace drug and alcohol testing.
Stay informed

Drug test lab employees

Drug testing guide

Our most popular resource can help you to create an ´╗┐effective program that deters drug use. Determine what is appropriate for your business, workforce type, and location using a range of testing reasons and test types.

Get the guide


Online drug testing training

Training your workforce about alcohol and drug testing is critical to maintaining a drug-free workplace. We offer a variety of online training programs to choose from for additional education.

Take our training