Quest Diagnostics - Inside Clay Randalls Store in Houston (Lab Testing Services Health Medical ) - Location & Hours

Store Details

18322 Clay Rd
Houston, Texas 77084-3916

On NE corner of Barker Cypress and Clay Rd **Saturday walk-in only**

Phone: 347-306-0956
Fax: 281-550-5577

Map & Directions   Website

Regular Store Hours

Monday: 7:30 AM - 4:30 PM
Tuesday: 7:30 AM - 4:30 PM
Wednesday: 7:30 AM - 4:30 PM
Thursday: 7:30 AM - 4:30 PM
Friday: 7:30 AM - 4:30 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
  • Glucose Tolerance(1-3 hours)
  • Glucose(most common)

Store Departments

Drug Screening

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

Glucose Testing

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