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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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Piedmont UC - Lilburn (Preferred)

976 Killian Hill Rd Sw,

Lilburn, GA 30047

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1.45 mi away

770-752-4142
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm
Piedmont UC - Tucker (Preferred)

4650 Hugh Howell Rd,

Tucker, GA 30084

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4.32 mi away

678-956-8630
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm
Piedmont UC - Pleasant Hill Rd (Preferred)

1605 Pleasant Hill Rd,

Duluth, GA 30096

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5.09 mi away

770-844-4200
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-8:00 pm
DTSC of GA (Preferred)

2138 Scenic Hwy N,

Ste F

Snellville, GA 30078

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5.57 mi away

770-985-1888
Monday: 12:00 pm-6:00 pm
Tuesday: 9:00 am-1:00 pm , 2:00 pm-5:00 pm
Wednesday: 9:00 am-1:00 pm , 2:00 pm-5:00 pm
Thursday: 8:00 am-1:00 pm , 2:00 pm-4:00 pm
Friday: Closed
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Piedmont UC - Snellville (Preferred)

2118 Scenic Hwy N,

Ste H

Snellville, GA 30078

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5.58 mi away

770-558-6017
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 am
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm
Quest Diagnostics - Snellville

1630 Scenic Hwy. N,

Ste. 17

Snellville, GA 30078

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5.91 mi away

Schedule Appointment 470-484-0094
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: 7:00 am-12:00 pm
Sunday: Closed
Grupo Medico de Georgia LLC - Norcross (Preferred)

5955 Jimmy Carter Blvd,

Ste 100

Norcross, GA 30071

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6.0 mi away

770-559-3553
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 9:00 am-2:00 pm
Sunday: Closed
Piedmont UC - Lithonia (Preferred)

7231 Rockbridge Rd,

Lithonia, GA 30058

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6.04 mi away

678-710-9270
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-8:00 pm
Piedmont UC - Centerville HWY (Preferred)

3641 Centerville Hwy,

Snellville, GA 30039

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6.49 mi away

770-752-4141
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-8:00 pm
Piedmont UC - Lawrenceville (Preferred)

3330 Surgarloaf Pkwy,

Lawrenceville, GA 30044

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6.56 mi away

678-710-2727
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm
Nova Medical Center - Norcross (Preferred)

6300 JIMMY CARTER BLVD,

STE 110

NORCROSS, GA 30071

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6.71 mi away

770-280-1919
Monday: 8:30 am-6:00 pm
Tuesday: 8:30 am-6:00 pm
Wednesday: 8:30 am-6:00 pm
Thursday: 8:30 am-6:00 pm
Friday: 8:30 am-6:00 pm
Saturday: Closed
Sunday: Closed
Prep Services LLC (Preferred)

798 Rays Rd,

Ste 100

Stone Mountain, GA 30083

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7.13 mi away

404-736-9644
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: 10:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Occupational Healthworx, LLC (Preferred)

6825 Jimmy Carter Blvd,

Ste 1100

Norcross, GA 30071

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7.76 mi away

404-855-3300
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: Closed
Sunday: Closed
Piedmont UC - Norcross (Preferred)

6063 Peachtree Pkwy,

Ste 201A

Peachtree Corners, GA 30092

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8.34 mi away

404-996-0114
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm
Quest Diagnostics - Lawrenceville

575 Professional Dr,

Ste 270

Lawrenceville, GA 30046

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8.74 mi away

Schedule Appointment 470-403-6095
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
One Stop Lab (Preferred)

3500 N Decatur Rd,

Ste 106C

Scottdale, GA 30079

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8.82 mi away

470-207-5825
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 12:00 pm-7:00 pm
Sunday: Closed
Health Choice UC - Lawrenceville (Preferred)

665 Duluth Hwy,

Ste B

Lawrenceville, GA 30046

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9.01 mi away

470-451-0650
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-8:00 pm
ARCpoint Labs of Duluth (Preferred)

3635 Savannah Pl,

Ste 450B

Duluth, GA 30096

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9.44 mi away

470-508-4330
Monday: 8:00 am-2:00 pm
Tuesday: 8:00 am-2:00 pm
Wednesday: 8:00 am-2:00 pm
Thursday: 8:00 am-2:00 pm
Friday: 8:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Fastest Labs NE Atlanta (Preferred)

3678 N Peachtree Rd,

Ste 102

Atlanta, GA 30341

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9.49 mi away

770-680-4438
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Piedmont UC - Grayson (Preferred)

2594 Loganville Hwy,

Ste 101

Grayson, GA 30017

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9.61 mi away

678-369-2790
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-8:00 pm
Health Choice UC - Duluth (Preferred)

4215 Pleasant Hill Rd,

Duluth, GA 30096

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9.65 mi away

470-451-0655
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: 8:00 am-6:00 pm
Sunday: 8:00 am-6:00 pm
Simple Screening, LLC (Preferred)

3957 Holcomb Bridge Rd,

Ste 201

Norcross, GA 30092

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9.68 mi away

678-528-1161
Monday: 9:00 am-8:00 pm
Tuesday: 9:00 am-8:00 pm
Wednesday: 9:00 am-8:00 pm
Thursday: 9:00 am-8:00 pm
Friday: 9:00 am-8:00 pm
Saturday: 10:00 am-3:00 pm
Sunday: 10:00 am-3:00 pm
Health Choice UC - Grayson (Preferred)

2745 Loganville Hwy,

Loganville, GA 30052

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9.78 mi away

470-655-2364
Monday: 8:00 am-5:30 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: 8:00 am-6:00 pm
Sunday: 8:00 am-6:00 pm
Piedmont UC - Chamblee (Preferred)

5438 Peachtree Ind Blvd,

Chamblee, GA 30341

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9.85 mi away

770-882-2770
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm

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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.