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Laboratory Services

The information acquired from laboratory testing plays a crucial role in the detection, diagnosis and treatment of diseases.

Barnes-Jewish West County Hospital has the latest laboratory equipment utilizing automation for cost-effective performance. Our qualified staff provides efficient, accurate and reliable service that will assist the referring physician to care for patients.

Coronavirus Testing For Surgical and Procedure Patients

As an increased safety measure, some patients scheduled for surgery or other procedures at BJC HealthCare facilities might need to be tested for coronavirus (COVID-19). This will depend on the procedure being performed as well as the patient’s health and history.

Learn more about coronavirus testing for surgical and procedure patients.


The majority of laboratory tests require no special preparation. Please check your patient instructions from the referring physician in case you are required special preparation prior such as fasting, avoiding certain foods or stopping the use of tobacco products.

Outpatient Lab Services - Campus locations

Barnes-Jewish West County Hospital

12634 Olive Boulevard Creve Coeur, MO 63141 Phone: 314.996.8460 Fax: 314.996.8468

  • Open Monday to Friday, 6:30 a.m. to 6 p.m.
  • Patient check-in: Enter the new hospital through the main entrance, located on the north side facing Olive Boulevard. Once inside, there is an information desk. Ask to be directed to "Outpatient Lab and Pre-Surgical Testing" on the main floor — this is where you will check in for any labs tests.

Medical Office Building 3

1020 N. Mason Road, Suite 120 Creve Coeur, MO 63141 Phone: 314.996.3073 or 314.996.3074 Fax:314.996.3076

  • Open Monday to Thursday, 8:30 a.m. to 5 p.m.
  • Closed 12 p.m. - 12:30 p.m daily for lunch
  • Friday, 8:30 a.m. to 12 p.m.

Patient check-in: Main floor, lab located down the hallway to the right of the elevators.

Barnes-Jewish West County Hospital is conveniently located just one mile west of I-270 on Olive Boulevard, at Olive and Mason in Creve Coeur, Missouri, a west county suburb of St. Louis, Missouri.

Get directions to our hospital.


No appointment is necessary, but you will need to bring the following:

  • referral from your physician
  • appropriate lab orders

All outpatient laboratory services on the campus of Barnes-Jewish West County Hospital are walk-in clinics.


For billing questions or to make a payment, visit financial assistance and billing resources.


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Find a doctor or make an appointment: 314.542.WEST (9378) OR TOLL-FREE 1.844.542.9378
General Information: (314) 996.8000
12634 Olive Boulevard
Creve Coeur, Missouri 63141
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