Quest Diagnostics - Northridge Roscoe Boulevard (Lab Testing Services Health Medical ) - Location & Hours

Store Details

18350 Roscoe Blvd
Ste 603
 Northridge, California 91325-5607

We are located inside the Northridge Hospital Medical Center Plaza. Our entrance is located between Reseda Boulevard and Etiwanda Avenue along Roscoe Boulevard.

Phone: 747-232-4639
Fax: 818-882-8047

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
  • Employer Health and Wellness
  • T-SPOT.TB test (tuberculosis)
  • Purchased My Own Test
  • Hair
  • 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: 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

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