Skip to main content

In-home sample collection may be available in your area for purchase through Quest Mobile™

When scheduling an appointment online, use your zip code (not city name) for best results. After entering your zip code, a Quest Mobile option will appear if it’s available for purchase in your area. Let’s check

Hide
Quest Diagnostics

Location search

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.

Search for a lab testing location to schedule an appointment

Required

Search

Looking for a facility or operation that is not a lab testing location?

US Facilities & Operations International Facilities & Operations

List

Quality Lab Test (Preferred)

945 Stockton Dr,

Unit 4120

Allen, TX 75013

Get Directions
ds-icon--pin Created with Sketch.

2.68 mi away

972-332-8513
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
Know Before You Go Drug & Alc Testing (Preferred)

990 State Hwy 5,

# 107

Fairview, TX 75069

Get Directions
ds-icon--pin Created with Sketch.

4.24 mi away

469-352-7560
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-4:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
Occumed Plus - McKinney (Preferred)

4510 Medical Center Dr,

Ste 108

Mckinney, TX 75069

Get Directions
ds-icon--pin Created with Sketch.

4.35 mi away

972-548-5356
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 - McKinney

4510 Medical Center Dr,

Ste 310

McKinney, TX 75069

Get Directions
ds-icon--pin Created with Sketch.

4.35 mi away

Schedule Appointment 972-547-0159
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: Closed
Sunday: Closed
Texas Health UC - South Custer Rd (Preferred)

7001 S Custer Rd,

Ste 900

Mckinney, TX 75070

Get Directions
ds-icon--pin Created with Sketch.

5.79 mi away

469-495-9116
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
BlueStar Diagnostics - Plano (Preferred)

720 E PARK BLVD,

STE 102

PLANO, TX 75074

Get Directions
ds-icon--pin Created with Sketch.

5.96 mi away

469-609-6409
Monday: 8:30 am-4:00 pm
Tuesday: 8:30 am-4:00 pm
Wednesday: 8:30 am-4:00 pm
Thursday: 8:30 am-4:00 pm
Friday: 8:30 am-4:00 pm
Saturday: 8:30 am-12:30 pm
Sunday: Closed
Quest Diagnostics - Murphy

140 East F. M. 544,

Suite 80

Murphy, TX 75094

Get Directions
ds-icon--pin Created with Sketch.

6.06 mi away

Schedule Appointment 214-299-6363
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
Nova Medical Center - Plano (Preferred)

1111 Jupiter Rd,

ste 100B

Plano, TX 75074

Get Directions
ds-icon--pin Created with Sketch.

6.26 mi away

469-326-0999
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
National Drug Screening, LLC - McKinney (Preferred)

115 E Virginia St,

Ste 202

Mckinney, TX 75069

Get Directions
ds-icon--pin Created with Sketch.

7.07 mi away

469-855-1090
Monday: 9:00 am-4:30 pm
Tuesday: 9:00 am-4:30 pm
Wednesday: 9:00 am-4:30 pm
Thursday: 9:00 am-4:30 pm
Friday: 9:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Texas Health UC - Wylie (Preferred)

499 S Highway 78,

Ste 100

Wylie, TX 75098

Get Directions
ds-icon--pin Created with Sketch.

7.74 mi away

469-495-9138
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
Any Lab Test Now - McKinney (Preferred)

1705 W UNIVERSITY DR,

STE 112

MCKINNEY, TX 75069

Get Directions
ds-icon--pin Created with Sketch.

8.23 mi away

214-842-8881
Monday: 8:30 am-6:30 pm
Tuesday: 8:30 am-6:30 pm
Wednesday: 8:30 am-6:30 pm
Thursday: 8:30 am-6:30 pm
Friday: 8:30 am-6:30 pm
Saturday: Closed
Sunday: Closed
Texas Health UC - University Dr (Preferred)

3805 W University Dr,

Ste 100

Mckinney, TX 75071

Get Directions
ds-icon--pin Created with Sketch.

8.43 mi away

469-495-9102
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 - Plano Medical Pavillion

3801 W 15Th St,

Ste 100, Bldg A

Plano, TX 75075

Get Directions
ds-icon--pin Created with Sketch.

8.69 mi away

Schedule Appointment 972-612-1887
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: 7:30 am-12:00 pm
Sunday: Closed
Any Lab Test Now - Frisco (Preferred)

3520 Preston Rd,

Ste 113A

Frisco, TX 75034

Get Directions
ds-icon--pin Created with Sketch.

9.07 mi away

972-569-8564
Monday: 8:30 am-6:30 pm
Tuesday: 8:30 am-6:30 pm
Wednesday: 8:30 am-6:30 pm
Thursday: 8:30 am-6:30 pm
Friday: 8:30 am-6:30 pm
Saturday: Closed
Sunday: Closed
CMUCS-McKinney (Preferred)

210 N Custer Rd,

Ste 100

Mckinney, TX 75070

Get Directions
ds-icon--pin Created with Sketch.

9.1 mi away

469-899-0679
Monday: 2:00 pm-3:00 pm
Tuesday: 2:00 pm-3:00 pm
Wednesday: 2:00 pm-3:00 pm
Thursday: 2:00 pm-3:00 pm
Friday: 2:00 pm-3:00 pm
Saturday: 2:00 pm-3:00 pm
Sunday: 2:00 pm-3:00 pm
Texas Health UC - Preston Rd (Preferred)

2855 Preston Rd,

Frisco, TX 75034

Get Directions
ds-icon--pin Created with Sketch.

9.13 mi away

469-495-9118
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
Any Lab Test Now - Plano (Preferred)

4701 W Park Blvd,

Ste 206

Plano, TX 75093

Get Directions
ds-icon--pin Created with Sketch.

9.51 mi away

972-596-6181
Monday: 8:30 am-6:30 pm
Tuesday: 8:30 am-6:30 pm
Wednesday: 8:30 am-6:30 pm
Thursday: 8:30 am-6:30 pm
Friday: 8:30 am-6:30 pm
Saturday: Closed
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.

Learn More

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.