Regardless of your tenure or experience with workplace drug testing, it can sometimes be a challenge to maintain your proficiency. We strive to provide tools that help to answer your questions, improve your programs, and leverage best practices.
The resources in our Knowledge Center give you access to program-enhancing tools and the latest data and trends. We know that staying well-informed is important to you, therefore, we provide most of these resources free of charge. Questions? Contact us online.
Knowledge center for drug testing
Drug Testing Index
The Drug Testing Index (DTI) reveals insights into patterns of drug use among the American workforce. This analysis of millions of drug test results provides annual drug use positivity as well as industry-specific insights.
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.
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.
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.
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.
Laboratory licenses and accreditations
All Quest Diagnostics' testing locations are appropriately licensed/certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA 88) and as required by certain State laboratory licensure programs.
Visit the following links pertaining to licences and accreditations for Quest laboratories performing toxicology drug testing services.
Lenexa, KS laboratory
Norristown, PA laboratory
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Knowledge center
Knowledge center
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Drug testing collections training -
Manager Module for Training -
Specimen Collection Training: Hair, Oral & Urine -
Drug Testing Index
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Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA certified laboratories that provide HIPAA covered services. Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA covered services.
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