The accuracy of hair testing

Hair testing drug recovery study proves process accuracy and dependability

Quest Diagnostics stands by the accuracy of our test results. We've demonstrated through scientific analysis that our hair testing process yields accurate, dependable results with excellent drug recovery across five drug classes.

Review the results of the study »

Download Now

Share on LinkedIn Share on Twitter Share on Facebook Share via email

connect with linkedin

Other recent content from Quest Diagnostics Employer Solutions:

  • Hair testing 101: Combing through the science

    Hair drug testing

    Quest Diagnostics lab experts present the science of this increasingly popular test while dispelling some of the myths around drug screening with hair.
    Watch webinar »

  • Drug testing with hair is the most effective method to look back at patterns of abuse

    Hair testing case study

    A Fortune 50 customer that moved their hair testing programs to Quest Diagnostics talks about the value of a comprehensive program with great customer service.
    Download the case study »

  • Watch as employees and customers discuss our commitment to service

    Quest Diagnostics on YouTube

    We are dedicated to delivering exceptional service. We’re also pleased to offer a comprehensive range of drug testing solutions backed by a culture that’s committed to showing we’re there when you need us.
    Watch our YouTube video »