St. Luke's. The Patient. Above All Else. ®
St. Luke's

Our Laboratory Services

Outreach Service

  • All St. Luke’s Laboratory services are available on an outreach basis to physician offices, clinics, nursing home residents and assisted living facilities.
  • Daily courier service provides timely laboratory pickup and delivery.
  • Customer service team responds quickly to client needs.
  • Multiple draw sites in Duluth and the outlying region.
  • Connectivity solutions for efficient test ordering and reporting of results.
  • Continuing medical education programs in conjunction with Mayo Medical Laboratories.


  • Clinical and anatomic pathology with prompt follow-up by pathologists and clinical specialists, including board certified Cytopathologists.
  • Senior management consultation resources.

Diagnostic Services

  • Full-service laboratory serving clients in Duluth and surrounding communities in Minnesota, Wisconsin and Michigan.
  • Broad range of tests using state-of-the-art instrumentation and technically proven methodologies with delivery of rapid and accurate laboratory results.

Anatomic Services

  • Cytopathology, including thin layer liquid based technology.
  • Fine-needle aspiration biopsies.
  • Histology, including state-of-the-art immunohistochemical techniques.
  • Surgical pathology, including frozen section analysis for timely diagnostic information to surgeons.


  • Peripheral blood and bone marrow studies.
  • Diagnostic and therapeutic monitoring of blood disorders.


  • Basic hemostatic testing with rapid access to testing for hereditary bleeding and thrombotic disorders.

Clinical Chemistry, Urinalysis, and Immunoassay

  • Extensive repertoire of chemical analyte quantification through state-of-the-art instrumentation.
  • Nucleic acid testing (polymerase chain reaction).


  • Complete range of organism identification and susceptibility testing.
  • Expert consultants in bacteriology and parasitology.

Transfusion Service

  • Pre-transfusion testing for blood component therapy.
  • Cutting-edge antibody detection methodology.
  • Immediate access to regional blood center that provides all blood products and esoteric testing.

Competitive Pricing

  • Competitive pricing is established on all tests.
  • Patient or client billing options are available.

Competitive Turnaround Time

  • Most routine testing is completed on the same day.
  • St. Luke’s provides a comprehensive in-house menu for timely laboratory service.
  • Collaboration with Mayo Medical Laboratories for esoteric testing and timely reporting.

Additional Resources

Cardiac Care
Birthing Center
Emergency Care
Breast Center
Cancer Care
Northland Pharmacy
Lake View Pharmacy
Pavilion Outpatient Surgery Center
Sleep Center
Urgent Care
Whiteside Institute for Clinical Research
Volunteer Opportunities
St. Luke's Inpatient Rehabilitation Unit
Additional Services
Diagnostic Imaging
Laboratory Services
Contact Us
Draw Site Locations
Laboratory Services
Laboratory Lines Newsletter
Laboratory Test Catalog
Medical Lab Supply Requisition Catalog
New Test Announcements
Physical Rehabilitation Services
St. Luke's | 915 East First Street, Duluth, MN 55805 | 218-249-5555 | 1-800-321-3790
St. Luke's is exempt from Federal income tax under the 1954 provisions of Section
501 (c) (3) of the Code
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