ACL Laboratories

One of the largest hospital system laboratories in the US

ACL Laboratories provides Aurora BayCare with timely, accurate laboratory support for your health care testing needs.

Aurora BayCare is supported by ACL Laboratories, providing a complete range of lab services, including:

  • Clinical and analytical testing
  • Drug abuse testing
  • Environmental testing
  • Molecular diagnostics

Trusted for More Than 40 Years

One of the largest hospital system laboratories in the United States, ACL 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.  ACL serves another 4,000+ clients outside of these systems. 

The ACL staff includes board-certified pathologists, PhD chemists and microbiologists, registered medical technologists and technicians, cytotechnologists, histotechnicians, and specialists in information technology.

System wide, ACL provides service to:

  • 26 hospitals
  • 2 central laboratories
  • 110+ clinic settings & Patient Service Centers


System wide, ACL couriers operate a fleet of 80+ vehicles and log over 3.6 million miles a year to get your samples to the lab for evaluation and then return results to your health care provider - quickly. 

ACL maintains extended lab hours in order to process requests in a timely manner.  You can expect 24-hour turnaround on most routine lab tests, including toxicology, environmental, and specialty tests.

Superior Standards

ACL meets or exceeds industry standards for excellence.  ACL has earned multiple accreditations and certifications, including:

  • College of American Pathologists accreditation
  • Joint Commission on Accreditation of Healthcare Organizations (JCAHO)
  • Clinical Laboratories Improvement Act (CLIA) certification
  • Substance Abuse & Mental Health Services Administration (SAMHSA) certification
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