Quest Diagnostics - O'Fallon in O Fallon, Missouri (Lab Testing Services Health Medical ) - Location & Hours

Store Details

3449 Pheasant Meadow Dr
Ste 101
O Fallon, Missouri 63368-7601

In Pheasant Point shopping center in front of YMCA

Phone: 636-485-9450
Fax: 636-281-0115

Map & Directions   Website

Regular Store Hours

Monday: 6:30 AM - 11:00 AM, 12:00 PM - 3:00 PM
Tuesday: 6:30 AM - 11:00 AM, 12:00 PM - 3:00 PM
Wednesday: 6:30 AM - 11:00 AM, 12:00 PM - 3:00 PM
Thursday: 6:30 AM - 11:00 AM, 12:00 PM - 3:00 PM
Friday: 6:30 AM - 11:00 AM, 12:00 PM - 3:00 PM
Saturday: CLOSED
Sunday: CLOSED

Store hours may vary due to seasonality.

Nearby Quest Diagnostics Locations

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Store Services/Products

  • All Other Tests
  • Employer Health and Wellness
  • T-SPOT.TB test (tuberculosis)
  • Purchased My Own Test
  • Electronic Order
  • Glucose Tolerance(1-3 hours)
  • Glucose(most common)
  • Urine
  • Urine - Federally mandated
  • COVID-19 Antibody Test

Store Departments

Drug Screening

Drug Screening hours:
Monday: 6:30 AM - 7:00 AM
Tuesday: 6:30 AM - 7:00 AM
Wednesday: 6:30 AM - 7:00 AM
Thursday: 6:30 AM - 7:00 AM
Friday: 6:30 AM - 7:00 AM
Saturday: CLOSED
Sunday: CLOSED

Glucose Testing

Glucose Testing hours:
Monday: 6:30 AM - 7:00 AM
Tuesday: 6:30 AM - 7:00 AM
Wednesday: 6:30 AM - 7:00 AM
Thursday: 6:30 AM - 7:00 AM
Friday: 6:30 AM - 7:00 AM
Saturday: CLOSED
Sunday: CLOSED