Welcome to STERLING

UPDATE: Broadway, Seattle Click link for new location!

A local company in the pursuit of excellence.

STERLING Reference Laboratories is a full-service, nationally renowned toxicology laboratory that has been serving its clients with superior service and unsurpassed quality since 1985.

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 customizable testing to answer your needs
• we provide ordering and collection supplies, include a forensic chain of custody order form when necessary, and arrange transport of specimens
• we deliver results in 24 to 48 hours

Our toxicology laboratory thrives on being one of the most responsive and best consultative resources in the nation for Departments of Correction, treatment agencies, employment agencies and employers.