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Quest Diagnostics

Lab Testing at Quest Diagnostics - Inside Garland Tom Thumb Store - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Garland, TX 75044.

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Address

2645 Arapaho
Garland, TX 75044
Dallas County

Hours

Monday8:00 AM – 5:00 PM
Tuesday8:00 AM – 5:00 PM
Wednesday8:00 AM – 5:00 PM
Thursday8:00 AM – 5:00 PM
Friday8:00 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.