Category: Hair testing
DATIA focus: Why Brazil Chose Hair Drug Testing
With high rates of on-the-job alcohol and illicit drug use by professional drivers, the Brazilian government is facing the challenge of keeping its citizens safe on its streets and highways —and to deter drug use by professional 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 testing as part of their workplace drug testing program wonder if hair products can have an impact on their test results. Continue reading
Quest Diagnostics & Labet offer hair drug testing in Brazil
Quest Diagnostics and Labet offer hair drug testing for professional drivers in Brazil after a new law was passed to improve transportation safety.
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Guide for drug testing laws
Download our Guide for Drug Testing Laws as a reference to illustrate how drug testing laws can differ from state to state.
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Quest comments for hair specimen mandatory guidelines
HHS published an RFI seeking comments for federally-mandated hair drug testing. Here are our comments in response to the questions posed by HHS. Continue reading
Request for hair drug testing information
The HHS published an RFI seeking comments on regulatory policies and standards regarding the use of hair specimen for federally-mandated drug testing. Continue reading