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

Don’t Withhold Medication-assisted Therapy from Benzodiazepine Users, FDA says

The US Food and Drug Administration has updated its recommendationson co-prescribing benzodiazepines with medication-assisted therapy treatment, stating that buprenorphine and methadone “should not be withheld from patients taking benzodiazepines or other drugs that depress the central nervous system.” While the combination of benzodiazepines or other CNS depressants with…

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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