MACL is now part of the Quest Diagnostics family; you now have access to resources, services, and solutions that you may not have enjoyed previously. Learn more HERE.









Mid America Clinical Laboratories, LLC (MACL) is a joint venture company owned by and in partnership with Community Hospital, St. Vincent Hospital, Quest Diagnostics and CoLab. We are the largest clinical laboratory in Indiana and complete over 4.5 million tests per year. And over the last six years, this test volume has doubled.

MACL has over 30 Patient Service Centers conveniently located throughout central Indiana, positioned to provide easy access near your home or physician. Our service center employees provide necessary lab services to over 800 patients a day. Even with this high volume, we keep our average wait time for each patient under 15 minutes and our patient comments have continuously praised the friendliness and efficiency of our employees.

MACL works to serve the needs of the patient, physician and our employees with a goal of quality care and quality information to each and every person who comes through our doors.

We are proud to be a local company, offering employment to central Indiana residents and keeping our dollars local. We have a continuing commitment to Indiana and its residents and plan to grow our business and expand our testing throughout the central Indiana area.

  • Over 30 Patient Centers
  • Serve 800 patients daily
  • Average wait time less than 15 minutes
  • 4.5 million tests a year


Mid America Clinical Laboratories is proud to demonstrate our quality service through participation in several accreditation programs. Our commitment to quality service is represented in our certifications.

View our CLIA Certificate

View our CAP Certificate