Category: Hair testing
Hair testing now includes more specific testing for oxycodones 
Recent enhancements to our hair testing panels now allow for more specific testing for opiate-like or opioid drug such as oxycodone and its metabolites. Continue reading
Hair testing webinar in review
In the third and final installment of our webinar series, Back to basics, we focused on hair drug testing and combed through the key features. Continue reading
Ask the experts: Can hair testing detect one-time drug use?
Employers who look for solutions to detect one-time drug use often ask if hair testing may be a viable option. We help to provide insight. Continue reading
Back to basics webinar series: hair drug testing
Untangling the benefits of this drug testing type, Quest experts provide insightful information in our upcoming webinar, Back to basics: hair drug testing. Continue reading
DATIA focus: Why Brazil Chose Hair Drug Testing
The Brazilian government faced challenges to reduce traffic fatalities and decrease drug use by drivers. Read more in DATIA focus. Continue reading
Hair drug test procedures
We’ve created a hair drug testing guide to help add clarity to each step of the collections process. Continue reading
Ask the Experts: Hair drug test specimens
Our experts explain how a hair drug test specimen can be taken from other parts of the body if someone is lacking hair or is bald. Continue reading
Hair testing helps to protect safety
In the interest of safety and public health, Brazilian lawmakers enacted a mandatory hair drug test for professional drivers. Read our new case study. Continue reading
Ask the Experts: Hair drug test collections
How much hair is cut for a drug test? Our scientific experts explain the specific amount of hair needed by the laboratory for testing. Continue reading
Ask the experts: Effects of hair treatments on drug test results
Some employers who use hair drug testing as part of their workplace drug testing program ask if hair products can have an impact on their drug test results. Continue reading