New Resources on Hair Testing from Quest Diagnostics
Karen Belanger
- 28 April 2021
Quest Diagnostics is a leader in workforce drug testing analysis and data through its Drug Testing Index (DTI). The latest data available indicates an 11.2% drug positivity rate among the U.S. workforce.
Hair drug testing provides results from a 90-day window that shows patterns of substance use. It is the largely a tamper-proof method as collections are observed.
Check out Quest Diagnostics latest Employer Solutions Blog: Ask the experts: Hair testing vs. hair follicle testing.
Watch an on-demand recording of our "Back to basics: Hair drug testing" webinar.
Ask the experts: Effects of hair treatments on drug test results