676 US 441 Business,
Demorest, GA 30535
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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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18.3 mi away
Monday:
7:00 am-12:30 pm , 1:00 pm-3:30 pm
Tuesday:
7:00 am-12:30 pm , 1:00 pm-3:30 pm
Wednesday:
7:00 am-12:30 pm , 1:00 pm-3:30 pm
Thursday:
7:00 am-12:30 pm , 1:00 pm-3:30 pm
Friday:
7:00 am-12:30 pm , 1:00 pm-3:30 pm
Saturday:
8:00 am-12:00 pm
Sunday:
Closed
28.33 mi away
Monday:
8:00 am-12:30 pm , 1:30 pm-5:00 pm
Tuesday:
8:00 am-12:30 pm , 1:30 pm-5:00 pm
Wednesday:
8:00 am-12:30 pm , 1:30 pm-5:00 pm
Thursday:
8:00 am-12:30 pm , 1:30 pm-5:00 pm
Friday:
8:00 am-12:30 pm , 1:30 pm-5:00 pm
Saturday:
Closed
Sunday:
Closed
30.16 mi away
Monday:
7:00 am-4:00 pm
Tuesday:
7:00 am-4:00 pm
Wednesday:
7:00 am-4:00 pm
Thursday:
7:00 am-4:00 pm
Friday:
7:00 am-4:00 pm
Saturday:
Closed
Sunday:
Closed
35.76 mi away
Monday:
6:30 am-4:30 pm
Tuesday:
6:30 am-4:30 pm
Wednesday:
6:30 am-4:30 pm
Thursday:
6:30 am-4:30 pm
Friday:
6:30 am-4:30 pm
Saturday:
8:00 am-12:00 pm
Sunday:
Closed
Pro Lab 6, LLC
85 Seasons Ln,
Hiawassee, GA 30546
Get Directions44.9 mi away
Monday:
8:00 am-12:00 pm
Tuesday:
8:00 am-12:00 pm
Wednesday:
8:00 am-12:00 pm
Thursday:
8:00 am-12:00 pm
Friday:
Closed
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Cumming
1634 Market Place Blvd,
Cumming, GA 30041
Get Directions46.86 mi away
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-12:00 pm
Sunday:
Closed
48.43 mi away
Monday:
7:00 am-5:00 pm
Tuesday:
7:00 am-5:00 pm
Wednesday:
7:00 am-5:00 pm
Thursday:
7:00 am-5:00 pm
Friday:
7:00 am-5:00 pm
Saturday:
7:30 am-12:30 pm
Sunday:
Closed
Quest Diagnostics - Loganville
4743 Atlanta Hwy Ste 110,
Loganville, GA 30052
Get Directions49.72 mi away
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:
8:00 am-12:00 pm
Sunday:
Closed
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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.