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Quest Diagnostics

Lab Testing at Guadalupe Regional Medical Center

Hospital outpatient lab in Seguin, TX 78155.

Hospital Outpatient Lab

This is a hospital outpatient lab. Most hospital outpatient labs accept walk-in third-party lab orders, but some require a physician referral or appointment. Calling ahead is recommended.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

1215 E Court St
Seguin, TX 78155
Guadalupe County

Hours

Monday6:30 AM – 6:00 PM
Tuesday6:30 AM – 6:00 PM
Wednesday6:30 AM – 6:00 PM
Thursday6:30 AM – 6:00 PM
Friday6:30 AM – 6:00 PM
SaturdayClosed
SundayClosed

Nearby alternatives

More lab options around Seguin

About this location

Hospital outpatient lab. 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.