Diverse testing for diverse needs

Quest Diagnostics helps you protect your practice and your patients with state-of-the-art testing, including a broad range of drug tests to meet medical necessity needs to identify the presence of prescribed and non-prescribed or illicit drugs.

Diverse testing for diverse needs

State-of-the-art technologies and 650 toxicology and medical experts—a powerful combination

With fast turnaround, accurate results confirmation, an industry-leading testing portfolio, and an array of on-staff toxicologists and medical experts, Quest Diagnostics provides the most trusted and reliable drug monitoring services available today.

  State-of-the-art technologies and 650 toxicology and medical experts—a powerful combination

Latest in drug testing

Come see us at the Opioid Management Congress - August 13-14, 2018

​Quest Diagnostics is pleased to sponsor the August 13-14, 2018 Opioid Management Congress in Nashville, TN. Use promo code: QUEST for an early registration discount, and join us for our lunch presentation on August 13, 2018:

Clinical Drug Monitoring & Analytics as an Objective…

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Industry-leading expertise from Quest Diagnostics

Over 650 MDs, PhDs, genetic counselors, and toxicologists are available for results interpretation and consultation on all of our drug tests.

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F. Leland McClure, MSci, PhD, F-ABFT

​Dr. McClure is a Director of Medical Affairs for Quest Diagnostics, and a leading figure in the field of clinical drug monitoring.

 
Meet our experienced team