266 Search Results for: marijuana
Fixed-site collection network
Quest Diagnostics provides unparalleled access to a combined nationwide network of more than 8,000 drug testing collection sites.
Evaluating lab-based and instant drug testing
We presented a webinar with Bill Current about instant vs. lab-based drug testing. Here are some of the most commonly asked questions.
New to drug testing: Our newsletter
During my first year of employment, I’m writing a weekly column highlighting drug testing procedures, products and processes as I discover them.
New to drug testing: Hair testing
During my first year of employment, I’m writing a weekly column highlighting drug testing procedures, products and processes as I discover them.
Synthetic cannabinoid user profile
The first study to obtain a detailed profile of users of synthetic cannabinoid was published in the May 20 issue of the CESAR report.
Oral fluid insights from DATIA
Oral fluid testing was a hot topic at the Drug and Alcohol Testing Industry Association (DATIA) conference this week.
Oral-Eze offers superior detection of recent drug use
Oral fluid drug tests offer superior detection of recent drug use and are minimally invasive, making them more convenient for donors and collectors.
Pre-employment drug test positives increase more than 5%
The Drug Testing Index, an industry standard, examines positivity rates to provide a comprehensive analysis of workplace drug-use trends.
Synthetic cannabinoids linked to acute kidney injury
Acute kidney injury following exposure to synthetic cannabinoids, in sixteen cases, has been identified in six states.
Hair drug testing resources
Quest Diagnostics offers additional resources about hair testing for illicit drug use at HairTesting.com.
