Search Careers OASIS Login Clinical Reference Laboratory Services Test Catalog About Contact Us COVID-19 TESTING SERVICES Home > Services SERVICES Employer Services State-of-the-art workplace substance abuse testing programs and electronic workflow solutions. Insurer Services Toolsets for insurance carriers to rapidly match applicants to the most appropriate policies. Health & Wellness Wellness strategies that engage employees and provide insights to well-being and overall health. Government Services Best-in-class laboratory and point-of-care drug testing, specifically configured to support the needs of federal, state, and local government agencies. COVID-19 Testing CRL has developed multiple testing solutions for determining COVID-19 status. About Us 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.