Joint Venture: Corewell Health and Quest Diagnostics Transform Michigan's Laboratory Services
- Corewell Health and Quest Diagnostics form a joint venture to enhance laboratory services in Michigan with innovative technologies.
- Quest Diagnostics will manage Corewell Health's hospital laboratories through this joint venture, ensuring operational continuity and efficiency.
- The partnership aims to improve healthcare access and affordability while setting a foundation for future advancements in diagnostics.

Revolutionizing Laboratory Services in Michigan: The Joint Venture of Corewell Health and Quest Diagnostics
Corewell Health and Quest Diagnostics announce a transformative partnership through the establishment of Diagnostic Lab of Michigan, LLC, aimed at redefining laboratory services across Michigan. This strategic collaboration, unveiled on August 26, 2025, will culminate in the construction of a state-of-the-art laboratory facility spanning 100,000 square feet at the Corewell Health Southfield Center in Southfield, Michigan. By integrating advanced technologies such as automated microbiology and high-throughput molecular testing, the new facility strives to enhance the quality and affordability of diagnostic services available to physicians and patients alike.
In this joint venture, Quest Diagnostics takes the helm in managing Corewell Health's 21 hospital laboratories, ensuring continuity of operations even after the new facility becomes operational. The collaborative effort will also see the implementation of Quest's Collaborative Lab Solutions (Co-Lab), which encompasses a wide range of laboratory management services, workforce support, and supply chain management. Chad Tuttle, Chief Operating Officer at Corewell Health, expresses optimism about the partnership, noting Quest's commitment to patient-centered, high-quality diagnostic care. This collaboration not only promises to enhance operational efficiency but also reflects an alignment of values focused on improving healthcare delivery.
Jim Davis, the Chairman and CEO of Quest Diagnostics, underlines the importance of this joint venture, emphasizing how it leverages Corewell's academic expertise alongside Quest's capabilities in scaling diagnostic innovation. The combined effort aims to expand access to healthcare services while ensuring affordability for Michigan residents. As the joint venture takes shape, it stands as a testament to both organizations' dedication to advancing patient care and operational excellence within the laboratory sector. With Quest holding a 51% stake and Corewell Health a 49% stake in the venture, this collaboration represents a significant step in Quest's strategy to forge partnerships with leading health systems, thereby reinforcing its presence in key growth areas.
In addition to the innovative laboratory facility, this joint venture marks a pivotal moment for healthcare in Michigan, signaling a commitment to utilizing cutting-edge technology in diagnostics. Both Corewell Health and Quest Diagnostics are poised to elevate the standard of laboratory services, which is crucial for timely and accurate patient care. The venture not only caters to immediate healthcare needs but also sets a foundation for future advancements in the industry, reflecting a broader trend towards collaboration and innovation in healthcare systems.
The establishment of this joint venture emerges at a time when the demand for efficient and reliable diagnostic services is more critical than ever. As healthcare providers seek ways to integrate technology and improve patient outcomes, the efforts of Corewell Health and Quest Diagnostics serve as a model for future collaborations in the healthcare landscape, promising a new era of diagnostic excellence in Michigan.