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The Best in Price, Quality and Service

San Diego Reference Laboratory (SDRL) is a full-service, client-focused analytical biomedical testing laboratory. We have been a leader in the toxicology and clinical laboratory testing field for over twenty years and a pioneer in methadone drug testing since 1993.

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(800) 677-7995

Here's what our clients are saying about SDRL:

Our mission is to provide the highest quality of testing, superior customer service and competitive pricing to a broad range of clients throughout the United States. We are dedicated to meeting the needs of our customers by delivering comprehensive clinical and drug testing toxicology services with a commitment to accuracy, expediency and accessibility that is unsurpassed.

Among the services offered by SDRL are:

Some of the common drugs we test for include:

"Our experiences with SDRL have been professional and friendly. It is a pleasure to have a resource that is open and responsive to our needs."
Rick Bingham LCDC
Clinic Director
Anti-Aging and Longevity Center of Texas
Dallas, TX

"We have been very satisfied by the services available at San Diego Reference Laboratory. They provide fast, friendly support and efficient screen collections and reporting."
Russ Titsworth
C.A.T.A.R. Clinic
Little Rock, AR

"I have worked closely with SDRL for 13 years. They excel at customer service and reliability of lab results."
Esther Billingsly
Clinic Manager
Bi-Valley Medical Clinic
Sacramento, CA

"We are so pleased with our decision to change labs. Every aspect of SDRL’s service is superior to what we were receiving…SDRL continues to surpass our expectations. Real people answer the phone and everyone is helpful and knowledgeable."
Joe Festersen
Owner/Executive Director
Common Goals, Inc.
Nevada City, CA

"We switched to SDRL because we needed to partner with a lab we could trust to provide accurate results…they are more responsive than any other lab I have ever worked with."
Chattanooga, TN

"Partnering with SDRL has been an extremely positive experience. Their staff is friendly, professional and they take the time to educate us and make sure we understand everything completely."
Marie Hanna
Clinic Manager
Community Medical Services
Prescott Valley, AZ

"Personal care makes SDRL different from other labs I have worked with. I don’t think I could ever work with another lab and get the same level of service!"
Houston, TX

"The level of service I receive from SDRL is unmatched – they make me feel like I'm the only customer they have. I would highly recommend SDRL to anyone searching for a supportive, trustworthy and responsive laboratory!"
Darlene Maloney – Owner
JEM Treatment, Inc.
Waukegan, IL


Methadone Metabolite
Buprenorphine (Suboxone)

Cannabinoids (THC)
MDMA/MDA  (Ecstasy)
Ethyl Glucuronide (EtG)

San Diego Reference Laboratory offers the best in price, quality and service! For drug test pricing, additional information or to make SDRL your toxicology and clinical drug testing partner, please contact us.

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