STERLING Reference Labs

STERLING Reference Laboratories is an industry leading, SAMHSA-Certified, full-service toxicology laboratory. STERLING provides testing services for drugs-of-abuse detection, delivering quality service and competitive prices since 1987. STERLING serves Treatment Providers, Employers, Criminal Justice Programs, Health Care Institutions, and many other types of organizations and individuals nationwide.

STERLING Means Service and we thrive on offering customized drug testing protocols tailored specifically to meet individual customer needs. STERLING also offers live access to toxicology scientists for questions regarding drugs-of-abuse testing.

STERLING would welcome the opportunity to serve you - call today for more information: (800) 442-0438.


We fulfill a broad range of drug testing requirements:

  • Basic drug screening
  • Forensic drug testing (court or employment ordered)
  • State-of-the-art protocols that protect all involved parties
  • Highly customized testing to answer your needs
  • We provide ordering and collection supplies, including a forensic chain of custody order form, when necessary
  • We arrange transport of specimens
  • We deliver results in 24 to 48 hours