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Quest Diagnostics

Lab Testing at Quest Diagnostics - Sugarland

Quest Diagnostics Patient Service Center in Sugar Land, TX 77478.

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Popular tests at this location:

TSHLipid PanelCBCA1CTestosteroneVitamin DCMP

Address

15259 Southwest Fwy
Sugar Land, TX 77478
Fort Bend County
281-494-4553

Hours

Monday6:00 AM – 5:00 PM
Tuesday6:00 AM – 5:00 PM
Wednesday6:00 AM – 5:00 PM
Thursday6:00 AM – 5:00 PM
Friday6:00 AM – 5:00 PM
SaturdayClosed
SundayClosed

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About this location

Quest Diagnostics Patient Service Center. 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.