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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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Quest Diagnostics - Inside Grand Prairie Tom Thumb Store - Employer Drug Testing Not Offered

4215 S Carrier Pkwy,

Grand Prairie, TX 75052

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2.91 mi away

Schedule Appointment 972-262-1166
Monday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Charlton Methodist

3430 W Wheatland Rd,

Ste 224

Dallas, TX 75237

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4.63 mi away

Schedule Appointment 972-298-0799
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Lancaster Walmart Supercenter

150 N I 35 E,

Lancaster, TX 75146

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8.3 mi away

Schedule Appointment 972-362-5296
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: 7:00 am-2:00 pm
Sunday: Closed
Quest Diagnostics - South Arlington

1001 W Arbrook Blvd,

Suite 141

Arlington, TX 76015

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8.9 mi away

Schedule Appointment 817-794-5905
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Mansfield

990 Highway 287 N,

Ste 115

Mansfield, TX 76063

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9.91 mi away

Schedule Appointment 817-477-1647
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 - Methodist Pavilion III - Employer Drug Testing Not Offered

1411 N Beckley Ave,

Pavilion III, Suite 450

Dallas, TX 75203

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10.88 mi away

Schedule Appointment 214-943-5529
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
Quest Diagnostics - Arlington

902 W Randol Mill,

Suite 100

Arlington, TX 76012

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11.07 mi away

Schedule Appointment 817-792-2054
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: Closed
Sunday: Closed
Quest Diagnostics - Gaston Wadley

3600 Gaston,

Wadley Tower, Suite 270

Dallas, TX 75246

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14.09 mi away

Schedule Appointment 469-978-0765
Monday: 8:00 am-4:30 pm
Tuesday: 8:00 am-4:30 pm
Wednesday: 8:00 am-4:30 pm
Thursday: 8:00 am-4:30 pm
Friday: 8:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Irving

3501 N Macarthur Blvd,

Ste 420, Bldg 4

Irving, TX 75062

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14.47 mi away

Schedule Appointment 972-258-0601
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bedford Hospital Parkway

1615 Hospital Pkwy,

Suite 208

Bedford, TX 76022

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15.87 mi away

Schedule Appointment 817-684-5243
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Casa Linda

1151 N Buckner Blvd,

Ste 202

Dallas, TX 75218

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19.05 mi away

Schedule Appointment 214-321-1577
Monday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Presbyterian - Employer Drug Testing Not Offered

8230 Walnut Hill Ln, Bldg Iii,

Ste 400

Dallas, TX 75231

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19.64 mi away

Schedule Appointment 214-345-5194
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Mesquite

3230 I- 30 East,

Suite 101

Mesquite, TX 75150

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20.39 mi away

Schedule Appointment 972-686-4602
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Forest Lane

11613 N Central Expwy,

Suite 120

Dallas, TX 75243

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20.95 mi away

Schedule Appointment 214-750-9477
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-1:00 pm
Sunday: Closed
Quest Diagnostics - 8th Avenue

1250 8th Avenue,

Suite 115

Fort Worth, TX 76104

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21.1 mi away

Schedule Appointment 817-920-9069
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Mesquite Tom Thumb Store - Employer Drug Testing Not Offered

1501 Pioneer Rd,

Mesquite, TX 75149

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21.18 mi away

Schedule Appointment 972-288-9500
Monday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Addison Tom Thumb Store - Employer Drug Testing Not Offered

14280 Marsh Ln,

Addison, TX 75001

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21.24 mi away

Schedule Appointment 972-449-0120
Monday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Grapevine Tom Thumb Store - Employer Drug Testing Not Offered

302 S Park Blvd,

Grapevine, TX 76051

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21.64 mi away

Schedule Appointment 682-277-5953
Monday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Burleson

1505 W Wilshire Blvd,

Suite 615

Burleson, TX 76028

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22.19 mi away

Schedule Appointment 817-529-1777
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Coppell Tom Thumb Store - Employer Drug Testing Not Offered

106 N Denton Tap Rd,

Coppell, TX 75019

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22.68 mi away

Schedule Appointment 972-304-1610
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 - Montgomery

855 Montgomery St,

Suite 170

Fort Worth, TX 76107

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22.83 mi away

Schedule Appointment 682-238-9407
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
Quest Diagnostics - Inside Southlake Tom Thumb Store - Employer Drug Testing Not Offered

100 W Southlake Blvd,

Ste 200

Southlake, TX 76092

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23.04 mi away

Schedule Appointment 682-277-5793
Monday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fossil Creek

7630 N Beach St,

Suite 156

Fort Worth, TX 76137

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23.78 mi away

Schedule Appointment 817-656-5997
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Cityview

5500 Overton Ridge Blvd,

Ste 206

Fort Worth, TX 76132

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23.95 mi away

Schedule Appointment 682-204-1607
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Harris Pkwy

6844 Harris Pkwy,

Ste 100

Fort Worth, TX 76132

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24.25 mi away

Schedule Appointment 817-948-8910
Monday: 8:00 am-12:00 pm , 12:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 12:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 12:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 12:00 pm-5:00 pm
Friday: 8:00 am-12:00 pm , 12:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Keller Tom Thumb Store - Employer Drug Testing Not Offered

1000 Keller Pkwy,

Keller, TX 76248

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24.43 mi away

Schedule Appointment 817-379-9334
Monday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Richardson Tom Thumb Store - Employer Drug Testing Not Offered

819 W Arapaho Rd,

Ste 39

Richardson, TX 75080

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24.75 mi away

Schedule Appointment 972-907-1122
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

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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.