Our Results Set Us Apart

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

ACL Advantages

  • One of the largest hospital system laboratories in the US
  • Provides services to 27 Hospitals; 2 Central Laboratories; 110+ Clinic settings & 57 Patient Service Centers (PSC)
  • 2,700 Employees
  • 90 Pathologists; Midwest Diagnostic Pathology (IL) and Great Lakes Pathologists (WI)
  • 24M laboratory tests performed annually
  • 5,000+ Outreach Physician accounts outside of our systems
  • Couriers: 80+ vehicles, > 3.6 million miles annually
  • Client Services handles approximately 1000 in-bound calls daily

A Tradition of Trust for 49 Years

ACL Laboratories is jointly operated by Wisconsin-based Aurora Health Care and Chicago-based Advocate Health Care, the largest, most trusted health care systems in the Midwest. Created via a merger of several established laboratories, ACL continues a 49-year tradition of providing a full range of lab services.

ACL is able to draw on the resources of two major health care systems, which uniquely positions us to provide superior service on a wide range of clinical, anatomic pathology, and analytical testing, including molecular diagnostics, metals/environmental testing, and more.

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

ACL is accredited by the College of American Pathologists and the Joint Commission on Accreditation of Healthcare Organizations (JCAHO) 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

06-16-2017 : Important AnnouncementsTest Bulletin

June 2017 Test Bulletin

Prostate Cancer Screening: Should you get a Prostate Specific Antigen (PSA) Test? -- Erythrocyte Sedimentation Rate (ESR) Reference Range Change -- Re-standardization ...View full report...

06-15-2017 : Important Announcements

Important Announcement ABN Form Update

The ABN, Form CMS-R-131, and form instructions has been updated. While there are no changes to the form itself, providers ...View full report...

05-31-2017 : Important AnnouncementsTest Bulletin

TESTdirect URL Change June 2017

Beginning Tuesday, June 6, 2017, ACL Laboratories will be transitioning to a new web address for the TESTdirect® results portal ...View full report...