Quest Diagnostics Walnut Medical Group - Drug Testing Only (Lab Testing Services Health Medical ) - Location & Hours

Store Details

19687 Valley Blvd
 Walnut, California 91789-2146

Phone: 909-598-5228
Fax: 909-598-9021

Map & Directions   Website

Regular Store Hours

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

Store hours may vary due to seasonality.

Nearby Quest Diagnostics Locations

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Store Services/Products

  • Urine - Express ResultsTM Online
  • Oral Fluid
  • Hair
  • Breath Alcohol
  • Urine
  • Urine - Federally mandated

Store Departments

Drug Screening

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

Glucose Testing

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

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