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Quest Diagnostics

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Lab testing, laboratory and office locations around the world

Quest Diagnostics has headquarters in the U.S. and operations in India, Ireland, and Mexico. Our products and services are used by customers in over 130 countries. We also collaborate with many international diagnostic laboratories, hospitals and clinics to help improve human health around the world.

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US Facilities & Operations International Facilities & Operations

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NSG HM- J Michael Morrow - Covid-19 Mobile Testing

883 Main St,

Arnaudville, LA 70512

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9.69 mi away

337-754-7703
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: 8:00 am-5:00 pm
Sunday: 8:00 am-5:00 pm
Quest Diagnostics - Lafayette

5000 Ambassador Caffery Pkwy,

Bldg 14B

Lafayette, LA 70508

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10.34 mi away

Schedule Appointment 337-988-2002
Monday: 7:30 am-4:30 pm
Tuesday: 7:30 am-4:30 pm
Wednesday: 7:30 am-4:30 pm
Thursday: 7:30 am-4:30 pm
Friday: 7:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
NSG HM- Ourlady Ops - Covid-19 Mobile Testing

954 E Prudhomme St,

Opelousas, LA 70570

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20.01 mi away

337-948-3634
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: 8:00 am-5:00 pm
Sunday: 8:00 am-5:00 pm
Medical Center Laboratory - Medical Center Laboratory

576 North Avenue G,

Crowley, LA 70526

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23.66 mi away

337-783-7337
Monday: 5:00 am-5:00 pm
Tuesday: 5:00 am-5:00 pm
Wednesday: 5:00 am-5:00 pm
Thursday: 5:00 am-5:00 pm
Friday: 5:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Perkins Crossing

7731 Perkins Road,

Suite 155

Baton Rouge, LA 70810

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44.5 mi away

Schedule Appointment 225-769-9818
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Lane Memorial Hospital - Lane Memorial Hospital

6300 Main St,

Zachary, LA 70791

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49.35 mi away

225-658-4000
Monday: 6:00 am-6:00 pm
Tuesday: 6:00 am-6:00 pm
Wednesday: 6:00 am-6:00 pm
Thursday: 6:00 am-6:00 pm
Friday: 6:00 am-2:00 pm
Saturday: Closed
Sunday: Closed

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Our safety precautions help ensure your confidence and comfort while visiting our Patient Service Centers to get the testing you need, today and every day.

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Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.