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

Despite More Prescriptions, Naloxone is Still Dramatically Underprescribed

When given promptly, naloxone can reverse an opioid overdose and save a life. But despite an increase in prescriptions since 2012, and despite being recommended as a risk mitigation strategy in the CDC Guideline for Prescribing Opioids for Chronic Pain, naloxone is still highly underprescribed, according to a…

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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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J. Gudin, MD

Dr. Gudin is board-certified in pain medicine, anesthesiology, addiction medicine, and hospice/palliative medicine, and is a medical acupuncturist.

 
Meet our experienced team