487 N Main St,
Ste E
Frankenmuth, MI 48734
Get Directions
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.
Looking for a facility or operation that is not a lab testing location?
US Facilities & Operations International Facilities & Operations
List
Map
9.17 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
Quest Diagnostics - Bay City Euclid- EMPLOYEE DRUG TESTING NOT OFFERED
1580 S Euclid Ave,
Bay City, MI 48706
Get Directions14.74 mi away
Monday:
6:00 am-4:00 pm
Tuesday:
6:00 am-4:00 pm
Wednesday:
6:00 am-4:00 pm
Thursday:
6:00 am-4:00 pm
Friday:
6:00 am-4:00 pm
Saturday:
7:00 am-11:00 am
Sunday:
Closed
Quest Diagnostics - Saginaw Center
2062 N Center Rd,
Saginaw, MI 48603
Get Directions17.6 mi away
Monday:
6:00 am-4:00 pm
Tuesday:
6:00 am-4:00 pm
Wednesday:
6:00 am-4:00 pm
Thursday:
6:00 am-4:00 pm
Friday:
6:00 am-4:00 pm
Saturday:
7:00 am-12:00 pm
Sunday:
Closed
Quest Diagnostics - Mt Morris Employer Drug Testing Not Offered
11515 N Saginaw St,
Mount Morris, MI 48458
Get Directions24.31 mi away
Monday:
6:30 am-3:30 pm
Tuesday:
6:30 am-3:30 pm
Wednesday:
6:30 am-3:30 pm
Thursday:
6:30 am-3:30 pm
Friday:
6:30 am-3:30 pm
Saturday:
Closed
Sunday:
Closed
30.6 mi away
Monday:
7:00 am-4:00 pm
Tuesday:
7:00 am-4:00 pm
Wednesday:
7:00 am-3:00 pm
Thursday:
7:00 am-4:00 pm
Friday:
7:00 am-4:00 pm
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Employer Drug Testing Not Offered - Inside Walmart Burton
5323 E Court St N,
Burton, MI 48509
Get Directions31.06 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:
7:00 am-12:00 pm
Sunday:
Closed
31.71 mi away
Monday:
5:30 am-5:00 pm
Tuesday:
5:30 am-5:00 pm
Wednesday:
5:30 am-5:00 pm
Thursday:
5:30 am-5:00 pm
Friday:
5:30 am-3:00 pm
Saturday:
Closed
Sunday:
Closed
31.82 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
32.39 mi away
Monday:
6:30 am-3:30 pm
Tuesday:
6:30 am-3:30 pm
Wednesday:
6:30 am-3:30 pm
Thursday:
6:30 am-3:30 pm
Friday:
6:30 am-3:30 pm
Saturday:
Closed
Sunday:
Closed
32.64 mi away
Monday:
Vary
Tuesday:
Vary
Wednesday:
Vary
Thursday:
Vary
Friday:
Vary
Saturday:
Vary
Sunday:
Vary
Quest Diagnostics - Inside Walmart Corunna Road
4313 Corunna Rd,
Flint, MI 48532
Get Directions32.64 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:
7:00 am-11:00 am
Sunday:
Closed
35.26 mi away
Monday:
6:00 am-5:00 pm
Tuesday:
6:00 am-5:00 pm
Wednesday:
6:00 am-5:00 pm
Thursday:
6:00 am-5:00 pm
Friday:
6:00 am-5:00 pm
Saturday:
7:30 am-12:30 pm
Sunday:
Closed
Quest Diagnostics - Grand Blanc Porter Employer Drug Testing Not Offered
6011 Porter Rd,
Grand Blanc, MI 48439
Get Directions36.22 mi away
Monday:
6:00 am-4:00 pm
Tuesday:
6:00 am-4:00 pm
Wednesday:
6:00 am-10:00 am
Thursday:
6:00 am-4:00 pm
Friday:
6:00 am-4:00 pm
Saturday:
Closed
Sunday:
Closed
39.47 mi away
Monday:
7:00 am-4:00 pm
Tuesday:
7:00 am-4:00 pm
Wednesday:
7:00 am-5:00 pm
Thursday:
7:00 am-4:00 pm
Friday:
7:00 am-1:00 pm
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Fenton Fenway Employer Drug Testing Not Offered
425 N Fenway Dr,
Fenton, MI 48430
Get Directions46.09 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
Quest Diagnostics - Fenton Caroline Employer Drug Testing Not Offered
234 W Caroline St,
Fenton, MI 48430
Get Directions46.38 mi away
Monday:
6:00 am-3:00 pm
Tuesday:
6:00 am-3:00 pm
Wednesday:
6:00 am-3:00 pm
Thursday:
6:00 am-3:00 pm
Friday:
6:00 am-3:00 pm
Saturday:
7:00 am-11:00 am
Sunday:
Closed
Our focus on your safety
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.
- Site map
- Privacy Notices
- Terms
- Contact us
- Language assistance / non-discrimination
- Asistencia de idiomas / Aviso de no discriminación
- 語言協助 / 不歧視通知
- Accessibility
-
Your Privacy Choices
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.