About Us


Lab24, LLC is a fully licensed and accredited reference laboratory headquartered in beautiful Redding, CA. Lab24 is a premiere provider of Urine and Oral Fluid Toxicology Testing. Throughout our time in the industry, we’ve gone to great lengths to offer more accurate and more efficient toxicology testing for our patients and clients. We’ve adopted the most cutting-edge and advanced toxicology testing technology currently available in the industry to ensure our clients that the results they receive are accurate, personalized and professional.

Lab24 is licensed both with the State of California and Federally, having our CLIA registration, CLIA# 05D2159324. The Clinical Laboratory Improvement Amendments (CLIA) of 1988 are United States federal regulatory standards that apply to all clinical laboratory testing performed on humans in the United States. The Centers for Medicare & Medicaid Services (CMS) regulates all laboratory testing (except research) performed on humans in the U.S. through the Clinical Laboratory Improvement Amendments (CLIA).

Lab24 is also Accredited with COLA, COLA ID#: 29315. COLA Inc. is the premier clinical laboratory accreditation, education and consultation organization. In 2013, COLA Inc. became the first private laboratory accreditor to earn deemed authority in California, proving that its standards of promoting excellence in laboratory medicine and patient care are equal or more stringent than the state’s unique regulations for licensure and registration. COLA’s services enable clinical laboratories and staff to meet CLIA and other regulatory requirements, provide the best possible patient care, and act in accordance with Quality Systems.


475 Knollcrest Drive
Redding, CA 96002


Customer Service: (877) 319-7222
General Inquiries: (877) 319-7233
Fax: (530) 319-7225


If you are a provider that has questions about lab results please call our LabDirect hotline at (877) 319-7227

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