St. Luke's Hospital
Chesterfield, Missouri

















For Physicians

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Outpatient lab services are provided at the following locations on a walk-in basis.

Desloge Outpatient Center:
  • Located directly across from the main hospital, on the west side of Highway 141
    314-523-2527
    Hours: Monday-Friday 7:00 a.m. to 5:00 p.m.
St. Luke's Hospital:
  • East Medical Building - 360 East
    232 South Woods Mill Road
    Chesterfield, MO 63017
    314-205-6100 ext. 5803
    Hours: Monday-Friday 7:00 a.m. to 5:00 p.m.


  • South Medical Building - 380 South
    224 South Woods Mill Road
    Chesterfield, MO 63017
    314-205-6100 ext. 4471
    Hours: Monday-Friday 8:00 a.m. to 5:00 p.m.


  • West Medical Building - Second Floor
    226 South Woods Mill Road
    Chesterfield, MO 63017
    314-205-6807 ext. 4681
    Hours: Monday-Friday 6:00 a.m. to 6:00 p.m.
    Saturday 6:00 a.m. to 2:30 p.m.
To make an appointment for lab services after hours and on weekends, please call the Main Laboratory at St. Luke's Hospital at 314-205-6984.

Clarkson III Lab:
  • 241 Clarkson Road
    Ellisville, MO 63011
    636-256-4968
    Hours: Monday-Friday 7:30 a.m. to 4:30 p.m.
Outpatient Labs at St. Luke's Urgent Care Centers:
  • Fenton
    508 Old Smizer Mill Road
    Fenton, MO 63026
    636-343-5223
    Hours: Seven days a week 8:00 a.m. to 8:00 p.m.


  • Kirkwood
    455 South Kirkwood Road
    Kirkwood, MO 63122
    314-965-6871
    Hours: Seven days a week 8:00 a.m. to 8:00 p.m.


  • Weldon Spring
    1051 Wolfrum Crossing
    Weldon Spring, MO 63304
    636-300-0370
    Hours: Seven days a week 8:00 a.m. to 8:00 p.m.


  • WingHaven®
    5551 WingHaven Boulevard, Suite 100
    O'Fallon, MO 63368
    636-695-2500
    Hours: Monday-Friday 8:00 a.m. to 8:00 p.m.
Click here for information on all five St. Luke's Urgent Care Centers.


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