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Laboratory Services

The HSHS St. John's laboratory provides high quality, accurate and timely diagnostic pathology services.

Young female pathologist looking through microscope

The HSHS St. John’s Hospital Laboratory provides high quality, accurate and timely diagnostic pathology and laboratory services for hospital patients, outpatients and outreach patients in community physicians’ offices. It has a highly skilled team of board certified pathologists, certified medical laboratory scientists and technicians, cytotechnologists, histotechnologists, lab assistants and phlebotomists who participate in continuing education on a regular basis.

Laboratory test tubes

Services and testing options

  • Transfusion Services
  • Microbiology 
  • Hematology
  • Coagulation
  • Immunology
  • Molecular Diagnostics
  • Flow Cytometry
  • Chemistry
  • Anatomic Pathology
  • Cytology
  • Histology

Point of care testing

In addition to CLIA certification the HSHS St. John’s Hospital Laboratory voluntary accreditations include the College of American Pathologists and the American Association of Blood Banks. 

Prepatory measures and results

Some blood tests do require fasting prior to having your blood drawn. Please contact your health care provider or the HSHS St. John’s Lab to determine requirements for your specific testing. Lab Collection Manual

Laboratory results are available through your physician, HSHS St. John’s Health Information Management (Medical Records) Department and the MyHSHS app.

Locations & Hours

Prairie Heart Institute Laboratory
5th floor  |  Prairie Heart Institute  |  619 E. Mason Street
Monday – Friday  |  6 a.m. – 4 p.m.  
Closed holidays.

Oncology Laboratory
1st Floor  |  HSHS St. John’s Hospital Pavilion  |  309 N. Eighth Street 
Monday – Friday  |  8 a.m. – 4 p.m.  
Closed holidays.  

Women and Children’s Clinic Laboratory
1st Floor  |  400 North Ninth Street
Monday – Friday  |  7 a.m. – 4:30 p.m.
Closed holidays.

Main Lab
1st Floor  |  HSHS St. John’s Hospital
Monday – Friday  |  7 a.m. – 4 p.m.
Saturday  |  7 a.m. – Noon
Patients with outpatient radiology procedures, registration in main lobby required.
Saturday collections require patients to register in the Emergency Department for outpatient laboratory services.