International drug testing case study

Helping to simplify the challenges of international drug testing

Marijuana detection using oral fluid drug testing white paper

New technology has proven effective in detecting recent drug use, especially in marijuana

Brazil hair drug testing case study

Read why Brazil enacted a mandatory hair test for professional drivers

Latest Quest Diagnostics Drug Testing Index™ insights

Increases in illicit drugs drive workforce drug positivity to highest rate in 12 years

The benefits of blue Oral-Eze® white paper

The sample adequacy window of Oral-Eze ensures a sufficient volume of oral fluid is collected for testing

On-site collections white paper

On-site collections offer convenience and keep employees productive and working

Hair drug testing case study

Hair testing detects a long-term pattern of drug use

Workplace drug testing guide

How to accurately and reliably screen job applicants and employees with the right drug testing program in place

Comparative analysis of device performance in oral fluid marijuana screening

Peer-reviewed research evaluates the recovery and stability of THC using Oral-Eze®

Challenging the poppy seed defense white paper

Peer-reviewed research examines if eating poppy seeds can produce a positive drug test

Express Results™ Online case study

Streamline your program with instant drug testing designed to deliver fast, dependable results

Lab-based vs. instant oral fluid drug testing white paper

Explore the advantages and differences of lab-based vs. instant oral fluid drug testing

Drug testing collections case study

Collection site availability and rapid responsiveness is essential for successful drug testing programs

Hair drug testing case study for resellers

How to integrate hair testing into your program with a trusted lab provider

Hair testing drug recovery study

Data shows our hair testing process has excellent drug recovery across all 5 drug classes