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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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Any Lab Test Now - North Dallas (Preferred)

11930 Preston Rd,

Ste 120

Dallas, TX 75230

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3.81 mi away

214-295-7900
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: 9:00 am-1:00 pm
Sunday: Closed
Any Lab Test Now - Dallas (Lovers) (Preferred)

5219 W LOVERS LN,

STE A

DALLAS, TX 75209

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3.91 mi away

214-956-8378
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
AccuScreen Drug & Alc - Dallas (Preferred)

1720 Regal Row,

Ste 238

Dallas, TX 75235

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3.97 mi away

214-716-0619
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Occumed Plus - Carrollton (Preferred)

1555 Valwood Pkwy,

Ste 100

Carrollton, TX 75006

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4.05 mi away

469-513-6800
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
DOT Medical Drug Testing Svcs (Preferred)

1430 Regal Row,

Ste 300

Dallas, TX 75247

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4.24 mi away

972-843-9494
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
Texas Health UC - Addison (Preferred)

4135 Belt Line Rd,

Ste 124

Addison, TX 75001

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4.52 mi away

469-495-9126
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
Nova Medical Center - Love Field (Preferred)

8267 Elmbrook Dr,

Dallas, TX 75247

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4.83 mi away

214-350-9800
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
Fastest Labs of Irving (Preferred)

1625 W Mockingbird Ln,

Ste 303

Dallas, TX 75235

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4.94 mi away

214-907-5272
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
Quest Diagnostics - Forest Lane

11613 N Central Expwy,

Suite 120

Dallas, TX 75243

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5.42 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 - Irving

3501 N Macarthur Blvd,

Ste 420, Bldg 4

Irving, TX 75062

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5.5 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
Texas Health UC - Arapaho (Preferred)

6969 Arapaho Rd,

Dallas, TX 75248

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6.45 mi away

469-495-9132
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
Texas Health UC - Oak Lawn Ave (Preferred)

2720 Oak Lawn Ave,

Dallas, TX 75219

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6.81 mi away

469-495-9162
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
Texas Health UC - Northwest Hwy (Preferred)

6411 E Northwest Hwy,

Ste D-120

Dallas, TX 75231

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6.83 mi away

469-495-9110
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
ProSalutem (Preferred)

12606 Greenville Ave,

Ste 100

Dallas, TX 75243

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7.06 mi away

469-294-2183
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
Chem Chek Co, Inc. (Preferred)

6210 Campbell Rd,

Ste 100

Dallas, TX 75248

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7.1 mi away

972-918-9300
Monday: 9:00 am-3:30 pm
Tuesday: 9:00 am-3:30 pm
Wednesday: 9:00 am-3:30 pm
Thursday: 9:00 am-3:30 pm
Friday: 9:00 am-2:30 pm
Saturday: Closed
Sunday: Closed
Any Lab Test Now - Lakewood (Preferred)

6333 E Mockingbird Ln,

Ste 121

Dallas, TX 75214

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7.31 mi away

469-372-2269
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
Texas Health UC - Frankford Rd (Preferred)

4635 Frankford Rd,

Dallas, TX 75287

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7.59 mi away

469-495-9106
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 Irving (Preferred)

8925 Sterling St,

Ste 255

Irving, TX 75063

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8.16 mi away

469-209-7400
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 8:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
Arc Serenity Services (Preferred)

11418 Audelia Rd,

Dallas, TX 75243

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8.18 mi away

844-238-3717
Monday: 9:00 am-6:00 pm
Tuesday: 9:00 am-6:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-6:00 pm
Friday: 9:00 am-6:00 pm
Saturday: 10:30 am-5:00 pm
Sunday: Closed
Texas Health UC - Coppell (Preferred)

130 N Denton Tap Rd,

Ste 140

Coppell, TX 75019

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8.44 mi away

469-495-9130
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
Quest Diagnostics - Gaston Wadley

3600 Gaston,

Wadley Tower, Suite 270

Dallas, TX 75246

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8.58 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
Pavvway Innovations (Preferred)

1910 Pacific Ave,

Ste 12040

Dallas, TX 75201

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8.65 mi away

214-613-2018
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: 12:00 pm-4:00 pm
Sunday: Closed
National Drug Screening, LLC (Preferred)

701 Commerce St,

Ste 400-C

Dallas, TX 75202

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8.66 mi away

469-855-1090
Monday: 9:00 am-12:00 pm , 1:30 pm-4:30 pm
Tuesday: 9:00 am-12:00 pm , 1:30 pm-4:30 pm
Wednesday: 9:00 am-12:00 pm , 1:30 pm-4:30 pm
Thursday: 9:00 am-12:00 pm , 1:30 pm-4:30 pm
Friday: 9:00 am-12:00 pm , 1:30 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Carrollton

4333 North Josey Lane Plaza Ii,

Suite 105

Carrollton, TX 75010

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9.33 mi away

Schedule Appointment 972-939-8001
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: 8:00 am-12:00 pm
Sunday: Closed
Texas Health UC - Richardson (Preferred)

1225 E Belt Line Rd,

Ste 200

Richardson, TX 75081

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9.59 mi away

469-495-9154
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
Quest Diagnostics - Casa Linda

1151 N Buckner Blvd,

Ste 202

Dallas, TX 75218

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9.75 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

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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.