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.

Order Lab Tests Online

Browse All Tests

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

830-401-7654

Hours

Monday	6:30 AM – 6:00 PM
Tuesday	6:30 AM – 6:00 PM
Wednesday	6:30 AM – 6:00 PM
Thursday	6:30 AM – 6:00 PM
Friday	6:30 AM – 6:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

Quest Diagnostics - Seguin - Employer Drug Testing Not Offered
519 N King St Suite 102, Seguin, TX 78155
0.2 mi
Grmc Urgent Care Lab
1215 E Court St, Seguin, TX 78155
0.3 mi
Carenow - Seguin
1347 E Court St, Seguin, TX 78155
0.3 mi
Reditesting - Seguin
210 N River St, Seguin, TX 78155
0.9 mi
Fastest Labs Of Seguin
2071a W Kingsbury St, Seguin, TX 78155
3.6 mi

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.