Key Services

  • Blood bank testing

  • Microbiology testing

  • Hematology testing

  • Coagulation testing

  • Serology testing

  • Urine drug testing (non-employment)

  • Chemistry testing

  • Immunology testing

  • Outreach testing

  • Access to reference laboratories

  • Phlebotomy services (inpatient/outpatient)

  • Anatomic pathology services


  • The laboratory is staffed 24/7.

  • Outpatient hours are 6 a.m. to 6 p.m. Monday-Friday. For services outside of these hours, please contact the laboratory to schedule your test.

  • Appointments are not usually necessary. However, some specialized testing may require an appointment to facilitate the best possible test result turnaround and sample quality.

  • If you have questions or concerns, please contact us at 920-459-4630.

*Some blood tests require fasting prior to your blood draw. Please contact your health care provider or the HSHS St. Nicholas Hospital Lab to determine the requirements for your specific testing.  

Laboratory results are available through your physician, the HSHS St. Nicholas Hospital Information Management Department or MyPrevea, if you have a Prevea Health provider.


  • Prevea Health

  • HSHS Eastern Wisconsin Divisional Laboratories

  • Quest Diagnostics

  • Mayo Medical Laboratories

  • Community Blood Center

  • Wisconsin State Lab of Hygiene

  • Local and state health departments


The HSHS St. Nicholas Hospital laboratory accreditations include:

  • College of American Pathologists

  • Joint Commission on Accreditation of Healthcare Organizations (JCAHO)

What to Expect


  • 24 hour turnaround time on most testing

  • STAT testing

  • In-lab outpatient drawing room

  • State-of-the art instrumentation run by highly skilled personnel

  • A safe environment