Our Results Set Us Apart

ACL Laboratories is a community-based testing laboratory trusted by providers for convenience, timeliness, and accuracy of results. Our accredited medical technologists and pathologists follow best-in-class laboratory protocols to provide analysis you can depend on. Because results matter. And ours set us apart.

ACL Advantages

  • One of the top 10 largest health care system laboratories in the US
  • Provides services to 27 Hospitals; 2 Central Laboratories; 110+ Clinic settings & 60 Patient Service Centers (PSC)
  • 2,700 Team Members
  • 90 Pathologists; Midwest Diagnostic Pathology (IL) and Great Lakes Pathologists (WI)
  • 26M laboratory tests performed annually
  • 5,000+ Outreach Physician accounts outside of our systems
  • Couriers: 80+ vehicles, > 3.6 million miles annually
  • 24/7 Client Services


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A Tradition You Can Trust

ACL Laboratories is a part of Advocate Aurora Health, one of the largest, most trusted health care systems in the Midwest.

ACL is able to draw on the resources of Advocate Aurora Health, which uniquely positions us to provide superior service on a wide range of clinical, anatomic pathology, and analytical testing, including molecular diagnostics and more.

We offer 24-hour turnaround on most routine lab tests, including specialty tests.

ACL is accredited by the College of American Pathologists and is certified in accordance with the Clinical Laboratories Improvement Act (CLIA). Its staff includes board-certified pathologists, PhD chemists and microbiologists, registered medical technologists/technicians, cytotechnologists, histotechnicians and specialists in information technology.

ACL News & Updates

08-02-2022 : Important AnnouncementsTest Bulletins

Extended TAT for Hemoglobin A1C Test Results

Effective immediately, ACL Laboratories will have an extended turnaround time for Hemoglobin A1C (Test Order Code LAB8266) test results. Turnaround …View full report...

07-29-2022 : Important AnnouncementsTest Bulletins

ACL Respiratory Pathogens Data July 24, 2022

Posted by Eric BeckView full report...

07-25-2022 : Important AnnouncementsTest Bulletins

Important Update Monkeypox Orderable Test Code

ACL Laboratories will be transitioning specimens collected for Monkeypox virus testing from LabCorp to ARUP Laboratories, ACL’s primary reference laboratory. …View full report...