Primary care clinician/NP/PA

Quest Diagnostics helps you protect your practice and patients with state-of-the-art testing, including an extensive menu for prescription pain medications, other controlled medications, illicit drugs, and designer drugs. With fast turnaround, accurate results, an industry-leading testing portfolio, and an array of on-staff toxicologists and medical experts, Quest provides the most trusted and reliable drug monitoring services available today.

Primary care clinician/NP/PA

NEW: Managing the patient conversation


Talking to your patients about drug misuse can be challenging. Jeff Gudin, MD, presents a video series that includes two simulated clinician-patient conversations to help primary care clinicians effectively communicate the importance of drug monitoring with their patients.

  NEW: Managing the patient conversation

Latest in drug testing

Come see us at the 3rd Opioid Management Summit

Quest Diagnostics ​is proud to be an executive partner of the 3rd Opioid Management Summit February 26-27, 2019 in Washington, DC.

Join us on February 26 at 10:30 AM as we present: Patterns of Drug Misuse in America and Reducing Risks…

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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.


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