Thank you for choosing St. Tammany Parish Hospital for your laboratory needs. Our Laboratory is staffed with board certified Pathologists, licensed Medical Laboratory Scientists and Technicians, and experienced Phlebotomists to serve your needs seven days a week, 24 hours a day. We are accredited by the Joint Commission and the American Association of Blood Banks. If you have any questions you may reach us at 985-898-4417. Our business office hours are M-F, 8 am to 5:30 pm.

Outpatient Draw Sites

If your physician gives you orders for blood work please visit one of our outpatient draw stations located at the Paul D. Cordes Outpatient Pavilion and the Mandeville Diagnostic Center.  All outpatient blood work requires a signed order from a Louisiana Licensed Physician.  Results of your lab work will be forwarded to the ordering physician.  If you require a copy of your laboratory results please contact Health Information Management, Release of Information Department at 985-898-4116.

The Paul D. Cordes Outpatient Pavilion is located at 16300 Hwy 1085 in Covington. The hours of operation are 7 a.m. to 6 p.m. Monday -Friday and 7 to 11 a.m. on Saturday.  Appointments are not required for most laboratory tests.   For those tests requiring an appointment please call 985-898-4417.

The Mandeville Diagnostic Center is located at 211 St. Ann St. in Mandeville.  Hours of operation are Monday -Friday, 7 a.m. to 4:30 p.m.  Appointments are not required for most laboratory tests.  For those tests requiring an appointment or if you have any questions please call 985-898-4417.

For a listing of tests performed only at the hospital or tests that require an appointment click on the links below.



St. Tammany Parish Hospital Laboratory is accredited by The Joint Commission and American Association of Blood Banks whose standards deal with quality and safety of care and environment.  Should you or a family member have a concern about laboratory services you are receiving, please share it with Laboratory Management (985-898-4040) right away.  We want an opportunity to address it. 

As a patient, you also have the right to contact any of the resources below if you perceive that the laboratory has not adequately resolved your concerns:

  • Joint Commission’s Office of Quality Monitoring, 1-800-944-6610 or :
  • Center of Medicare and Medicaid Services (CMS) Central Office, Division of Laboratory Services (CLIA), 1-877-267-2323 extension 6351 or click here.
  • American Association of Blood Banks, 1-301-215-6492 or


Once again, thank you for choosing our Laboratory. We look forward to serving you.