09:52 AM EDT, 08/26/2025 (MT Newswires) -- Quest Diagnostics ( DGX ) and Corewell Health have agreed to form a joint venture providing laboratory services in Michigan, according to a joint statement Tuesday.

The companies said their Diagnostic Lab of Michigan joint venture will be based at the Corewell Health Southfield Center and provide automated microbiology and high-throughput molecular testing.

Additionally, Quest Diagnostics ( DGX ) will provide its collaborative lab solutions, including laboratory and supply chain management services, for all of Corewell Health's 21 inpatient and outpatient hospital labs, according to the statement.

Quest Diagnostics ( DGX ) will have a 51% stake in the joint venture while Corewell will hold 49%, the companies said, adding the transaction is likely to be completed in Q1 of 2026.

Financial terms of the deal were not disclosed.

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