18322 Clay Rd

Houston, TX 77084

Phone
(832) 544-6506
Fax
(281) 550-5577
Last updated
July 2, 2026
Quest Diagnostics

This Quest Diagnostics blood draw site occupies 18322 Clay Road in Houston, Texas, on the northeast corner of Barker Cypress and Clay Road. Walk-ins are accepted on Saturdays; the site is open five days a week overall. It's part of the extensive 2,000+ Quest location network Superpower uses to connect members with lab services.

Get directions →
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
4.6 out of 5260+ reviews

Start your health check with Superpower

100+ lab tests, a personalized health plan, and expert guidance — all in one membership.

Get started – $199*

*Pricing may vary for members in New York and New Jersey

The Superpower app showing a personal health score of 93 out of 100

Led by doctors with 40 years of health and longevity expertise

Dr. Anant Vinjamoori

Dr. Anant Vinjamoori, MD

Chief Longevity Officer, Superpower

Dr. Leigh Erin Connealy

Dr. Leigh Erin Connealy, MD

Clinician & Founder of The Centre for New Medicine

Dr. Robert Lufkin

Dr. Robert Lufkin, MD

Physician & UCLA Medical School Professor, NYT bestselling author

Dr. Abe Malkin

Dr. Abe Malkin, MD

Founder & Medical Director of Concierge MD