Press Release Details

Quest Diagnostics Acquires California Laboratory Associates

Transaction Expands Access to Innovative, High-Value Diagnostic Information Services in Southern California

SECAUCUS, N.J. and BURBANK, Calif., Oct. 30, 2017 /PRNewswire/ -- Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic information services, today announced it has acquired certain assets of California Laboratory Associates (CLA), a clinical lab network serving patients and providers in the Greater Los Angeles Area.

Quest Diagnostics Incorporated logo. (PRNewsFoto/Quest Diagnostics Incorporated)

CLA's operations and patients were previously supported by caregivers and the laboratory at Providence Saint Joseph Medical Center in Burbank. More physicians and patients can now benefit from access to Quest's advanced and general diagnostic test services, and an expanded network of conveniently located patient service centers.

"We look forward to bringing Quest's insights and innovations to more individuals and providers in Southern California," said Steve Rusckowski, Chairman, President and CEO, Quest Diagnostics. "This acquisition will deepen our presence and ability to serve the region, while advancing our strategy to accelerate growth and drive operational excellence through strategically aligned, accretive acquisitions."

Quest will add several CLA patient service centers to its network in the San Fernando Valley and neighboring communities. Providence Saint Joseph will continue to operate its lab for hospital patients and certain outside physician services.

"Providence caregivers who have supported CLA's operations and patients have provided exemplary service across the Greater Los Angeles Area, helping to care for patients and coordinating with provider offices to ensure quality laboratory services," said Erik G. Wexler, Chief Executive, Providence St. Joseph Health, Southern California Region. "We are confident Quest Diagnostics will carry on the high standards our caregivers set in providing quality and compassionate care."

Financial terms of the agreement were not disclosed. 

About Quest Diagnostics

Quest Diagnostics empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 43,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives.

50th Anniversary: In 2017, Quest Diagnostics celebrates 50 years of life-changing results. To learn about our legacy of accomplishments and quest to improve healthcare in the future, visit

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SOURCE Quest Diagnostics

Quest Contacts: Kim Gorode (Media): 973-520-2800, or Shawn Bevec (Investors): 973-520-2900; Providence Media Contact: Patricia Aidem: 818-496-4780