Quest Diagnostics, Corewell Health complete lab joint venture transaction

Corewell Health and Quest Diagnostics (DGX) announced the completion of the previously announced transaction to establish a laboratory services joint venture to expand access to innovative, quality and affordable laboratory services in Michigan. Equity ownership of the joint venture, named Diagnostic Lab of Michigan, LLC, will be shared 51% by Quest and 49% by Corewell Health. Quest and Corewell Health’s existing laboratories will continue to provide lab services to the joint venture until a future 100,000-square-foot state-of-the-art laboratory facility at the Corewell Health Southfield Center in Southfield, Michigan opens in the first quarter of 2027.