Our Staff

As part of Alere's global family of trusted experts, our scientific and technical staff includes some of the most experienced and comprehensive toxicology teams in the world. Together, we deliver the certainty of science to our customers.

What customers say

“Redwood Toxicology Laboratory's chief toxicologist is easily accessible and has provided our legal and clinical team with expertise when needed. Thank you again for the excellent products and service you provide for us.”—Drug Court Coordinator

About Redwood Toxicology Section

Our Laboratory

We currently provide drug test services to more than 15,000 agencies across the United States, processing over 85,000 laboratory specimens each week. As one of the nation's largest drug and alcohol testing laboratories, we have the experience and resources to keep pace with new trends in abuse.

Urine Testing Services

We utilize the most sophisticated, sensitive and specific equipment and technology available to screen, confirm and quantitate drugs of abuse in urine.

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Oral Fluid Testing Services

Organizations that require convenient, gender–neutral collections and lab–accurate results frequently prefer RTL oral fluid test options.

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ToxAccess™ Reporting

RTL's web-based reporting application is your agency's solution to managing drug screen results. Internet reporting is available at no charge to our clients.

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ToxAccess™ Collection Management

An intelligent solution that accelerates data entry and the test ordering process, saving you time and money.

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Additional information is available in our Corporate Brochure. To download a PDF of our brochure, click here.

To learn more about Laboratory Services call:


Contact Us

Laboratory: 800-255-2159

Products: 877-444-0049


The ToxAccess® website provides advanced reporting features and collection management options that allow you to quickly and efficiently complete lab test request forms—speed up and improve your drug testing process.

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Lab Certifications

Demonstrating our commitment to delivering test procedures of the highest quality and following industry best practices, we maintain licensure and certifications from several state and federal agencies.

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