Products and services

Quest Diagnostics


Drug testing products and services

Man in hair drug testing lab

As your drug testing provider, Quest Diagnostics offers a full line of lab-based and instant drug testing products and services with the critical information you need to make confident and informed decisions about prospective and current employees.

We have established a reputation as a leader in workplace drug testing, with full accreditation by leading U.S. healthcare institutions and government agencies. We offer a full range of drug testing solutions, from standard to customized panels.

Man filling out paperwork for a urine drug test

Urine drug testing

Lab-based urine testing is the industry standard drug testing method for workplace drug testing. It is also the only method approved for federally mandated drug tests.

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Oral-Eze oral fluid collection

Oral fluid drug testing

Oral fluid testing with Oral-Eze® and its blue indicator window help to ensure that a sufficient volume of oral fluid is collected for initial. Oral-Eze offers an improved donor experience.

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Hair drug testing collection

Hair drug testing

Hair testing expands the detection window of drug use for up to 90 days. Due to its observed collection, a donor's efforts to prepare for or cheat a hair drug test are largely ineffective.

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Woman with an Express Results instant drug test card

Instant drug testing

We understand that sometimes you need drug and alcohol test results fast. For those circumstances, we offer instant screening solutions that provide nearly immediate results.

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Three people wearing lab coats; laboratory professionals

Medical professional drug testing

Medical professionals, by the nature of their jobs, have access to a number of prescription drugs. Because of the potential for abuse, we offer a comprehensive and customizable panel to screen for both illicit and drugs that are readily available in the healthcare industry.

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Quest Diagnostics toxicology laboratory employees

Specimen validity testing

With specimen validity testing, we can help ensure the integrity of a drug test by measuring pH, creatinine and specific gravity (when indicated) and testing for adulterants that may be added to the urine specimen.

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