Search Careers OASIS Login Clinical Reference Laboratory Services Test Catalog About Contact Us COVID-19 TESTING EMPLOYER SERVICES BLOG Home > About > Blog > Employer Services Blog Search Designer Benzodiazepines Panel October 18, 2021 Introduction Benzodiazepines are among the pharmaceutical industry’s top-selling prescription drugs. Below is a brief history and timeline: 1930s: A barbiturate… Read More Tags: Benzodiazepines, Designer Benzodiazepines, Drug Testing Phosphatidylethanol (PEth) Overview August 30, 2021 Traditional alcohol detection has been conducted by either blood or breath analysis and used primarily for assessing impairment while driving. … Read More Tags: Alcohol Detection, Drug Testing, PEth, Phosphatidylethanol Impact of CBD and THC Variants on Workplace Drug Testing August 23, 2021 The laboratory confirmation methods for marijuana have been a straightforward analytical procedure for decades. Following a presumptive immunochemical positive for… Read More Tags: CBD, Drug Testing, Marijuana Testing, THC, Δ10-THC, Δ8-THCA, Δ9-THCA The Synthetic Cannabinoids Evolution April 29, 2021 Synthetic Cannabinoids, often known as K2, made their way into the United States by 2010 and quickly became an alternative… Read More Tags: Drug Testing, K2, Marijuana Testing, Oil and Gas Panel, Synthetic Cannabinoids START A CONVERSATION We are one of the largest privately held clinical testing laboratories in the U.S., performing hundreds of thousands of tests every day for clients large and small. Our staff of more than 700 associates works around-the-clock to process and report results seven days a week for many of the largest retail, transportation, pharmaceutical, healthcare, and financial service organizations in the world. From high-complexity molecular diagnostic COVID-19 testing, to our toxicology and general lab testing, our partners are as diverse as the testing we perform. Clinical Reference Laboratory 8405 Quivira Road Lenexa, Kansas 66215 800-445-6917 Facebook LinkedIn Twitter Instagram Upcoming Events Certification Notice of Privacy Practices Reporting a Concern Terms of Use Copyright 2021 Clinical Reference Laboratory, Inc.