Quest Diagnostics Drug Test San Antonio (Lab Testing Services Health Medical ) - Location & Hours

Store Details

3859 E Southcross Blvd
Ste B
San Antonio, Texas 78222-3531

****Please call for DOT Physicals appointments (Thurs 9am to 11am)****

Phone: 210-399-2980
Fax: 210-399-2873

Map & Directions   Website

Regular Store Hours

Monday: 7:30 AM - 4:00 PM
Tuesday: 7:30 AM - 4:00 PM
Wednesday: 7:30 AM - 4:00 PM
Thursday: 7:30 AM - 4:00 PM
Friday: 7:30 AM - 4:00 PM
Saturday: CLOSED
Sunday: CLOSED

Store hours may vary due to seasonality.

Nearby Quest Diagnostics Locations

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Store Services/Products

  • Urine - Observed
  • Oral Fluid
  • Hair
  • Breath Alcohol
  • Electronic Order
  • Urine
  • Urine - Federally mandated

Store Departments

Drug Screening

Drug Screening hours:
Monday: 7:30 AM - 12:00 PM
Tuesday: 7:30 AM - 12:00 PM
Wednesday: 7:30 AM - 12:00 PM
Thursday: 7:30 AM - 12:00 PM
Friday: 7:30 AM - 12:00 PM
Saturday: CLOSED
Sunday: CLOSED

Glucose Testing

Glucose Testing hours:
Monday: 7:30 AM - 12:00 PM
Tuesday: 7:30 AM - 12:00 PM
Wednesday: 7:30 AM - 12:00 PM
Thursday: 7:30 AM - 12:00 PM
Friday: 7:30 AM - 12:00 PM
Saturday: CLOSED
Sunday: CLOSED