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

Attitudes, and the Language that Reflects Them, Take Their Toll on Patients

In-depth interviews with patients with substance use disorder reveal the toll taken by stigma on patients’ experience in the healthcare system, according to a new study. The study included 48 individuals across Ontario, Canada, who were taking opioids for chronic pain (n=28) or other reasons (n=31). The authors identified 3…

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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