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Quest Diagnostics

Lab Testing at Any Lab Test Now - Galleria

Independent direct-to-consumer lab using Quest network in Houston, TX 77057.

Independent Lab Using Quest Network

This is an independent direct-to-consumer lab facility using the Quest Diagnostics network. Services may vary from a standard Quest Patient Service Center.

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Popular tests at this location:

TSHLipid PanelCBCA1CTestosteroneVitamin DCMP

Address

5901 Westheimer Rd Ste W
Houston, TX 77057
Harris County
713-266-7900

Hours

Monday8:30 AM – 5:00 PM
Tuesday8:30 AM – 5:00 PM
Wednesday8:30 AM – 5:00 PM
Thursday8:30 AM – 5:00 PM
Friday8:30 AM – 5:00 PM
Saturday9:00 AM – 1:30 PM
SundayClosed

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About this location

Independent direct-to-consumer lab using Quest network. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.