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

Quest Diagnostic’s Health Trends Map Provides state-level Information on Drug Use and Misuse in America

Where are the hotspots for drug misuse in America? And what are the trends in your state? Quest Diagnostics has produced an interactive map that provides state-by-state information that can guide your thinking on problems in your area.

The map details state-level data on test results that are…

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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