Quest Diagnostics - Medical Tower New Ballas in Saint Louis (Lab Testing Services Health Medical ) - Location & Hours

Store Details

621 S New Ballas Rd
Suite 23
Saint Louis, Missouri 63141-0000

Mercy Medical Tower A

Phone: 314-610-5793
Fax: 314-983-9298

Map & Directions   Website

Regular Store Hours

Monday: 7:00 AM - 5:00 PM
Tuesday: 7:00 AM - 5:00 PM
Wednesday: 7:00 AM - 5:00 PM
Thursday: 7:00 AM - 5:00 PM
Friday: 7:00 AM - 5:00 PM
Saturday: 8:00 AM - 12:00 PM
Sunday: CLOSED

Store hours may vary due to seasonality.

Nearby Quest Diagnostics Locations

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Store Services/Products

  • All Other Tests
  • T-SPOT.TB test (tuberculosis)
  • Purchased My Own Test
  • Glucose(most common)

Store Departments

Drug Screening

Drug Screening hours:
Monday: 7:00 AM - 1:00 PM
Tuesday: 7:00 AM - 1:00 PM
Wednesday: 7:00 AM - 1:00 PM
Thursday: 7:00 AM - 1:00 PM
Friday: 7:00 AM - 1:00 PM
Saturday: 8:00 AM
Sunday: CLOSED

Glucose Testing

Glucose Testing hours:
Monday: 7:00 AM - 1:00 PM
Tuesday: 7:00 AM - 1:00 PM
Wednesday: 7:00 AM - 1:00 PM
Thursday: 7:00 AM - 1:00 PM
Friday: 7:00 AM - 1:00 PM
Saturday: 8:00 AM
Sunday: CLOSED