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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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Quality Lab Test - Sherman (Preferred)

1630 Texoma Pkwy,

Sherman, TX 75090

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22.69 mi away

903-487-0900
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
Absolute Urgent Care (Preferred)

800 W Highway 82,

Gainesville, TX 76240

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23.01 mi away

940-301-5000
Monday: 8:00 am-7:00 pm
Tuesday: 8:00 am-7:00 pm
Wednesday: 8:00 am-7:00 pm
Thursday: 8:00 am-7:00 pm
Friday: 8:00 am-7:00 pm
Saturday: 9:00 am-4:00 pm
Sunday: 12:00 pm-4:00 pm
Nova Medical Center - Sherman (Preferred)

3811 N Hwy 75,

Ste 200

Sherman, TX 75090

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23.14 mi away

903-838-8882
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
Sherman Medical (Preferred)

2500 N TRAVIS ST,

SHERMAN, TX 75092

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23.31 mi away

903-868-8900
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-4:00 pm
Sunday: Closed
Quest Diagnostics - Inside Sherman Walmart Store

401 E Us Highway 82,

Sherman, TX 75092

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23.34 mi away

Schedule Appointment 903-813-5625
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-12:00 pm
Sunday: Closed
Texas Health Breeze UC - Melissa (Preferred)

3210 Milrany Lane,

Ste 100

Melissa, TX 75454

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25.77 mi away

469-495-9164
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
CMUCS-Melissa Hwy 121 (Preferred)

2619 Sentinel Way,

Ste 200

Melissa, TX 75454

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26.82 mi away

469-649-8905
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-5:00 pm
Sunday: 12:00 pm-5:00 pm
Quest Diagnostics - Greenville

4101 Wesley St,

Suite G

Greenville, TX 75401

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29.89 mi away

Schedule Appointment 903-454-4491
Monday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
CMUCS-Princeton (Preferred)

670 W Princeton Dr,

Ste 400

Princeton, TX 75407

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30.92 mi away

972-699-5250
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: 12:00 pm-6:00 pm
Drug Testing of Texas (Preferred)

2806 Mitchell St,

Greenville, TX 75402

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31.13 mi away

903-454-0332
Monday: 8:30 am-5:30 pm
Tuesday: 8:30 am-5:30 pm
Wednesday: 8:30 am-5:30 pm
Thursday: 8:30 am-5:30 pm
Friday: 8:30 am-5:30 pm
Saturday: Closed
Sunday: Closed
Xpress Wellness UC - Durant (Preferred)

901 W Main St,

Durant, OK 74701

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31.84 mi away

580-634-2931
Monday: 8:00 am-7:00 pm
Tuesday: 8:00 am-7:00 pm
Wednesday: 8:00 am-7:00 pm
Thursday: 8:00 am-7:00 pm
Friday: 8:00 am-7:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 1:00 pm-6:00 pm
Any Lab Test Now - McKinney (Preferred)

1705 W UNIVERSITY DR,

STE 112

MCKINNEY, TX 75069

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32.77 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
Diagnostic Laboratory of Oklahoma - Durant West

1028 Criswell Dr,

Ste 106

Durant, OK 74701

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32.83 mi away

Schedule Appointment 580-931-9733
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-3:00 pm
Saturday: Closed
Sunday: Closed
National Drug Screening, LLC - McKinney (Preferred)

115 E Virginia St,

Ste 202

Mckinney, TX 75069

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33.02 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 - University Dr (Preferred)

3805 W University Dr,

Ste 100

Mckinney, TX 75071

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33.87 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
Texas Health Breeze UC - Celina (Preferred)

1341 S Preston Rd,

Ste 100

Celina, TX 75009

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35.22 mi away

469-495-9158
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
Know Before You Go Drug & Alc Testing (Preferred)

990 State Hwy 5,

# 107

Fairview, TX 75069

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35.67 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

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35.79 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

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35.8 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
Salas Minor Emergency Center (Preferred)

1655 NE Loop 286,

Paris, TX 75460

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36.11 mi away

903-739-9191
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: 10:00 am-5:00 pm
Sunday: 10:00 am-5:00 pm
Quest Diagnostics - Paris

3150 Clarksville Street,

Suite 500

Paris, TX 75460

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36.76 mi away

Schedule Appointment 903-737-2995
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-3:00 pm
Saturday: Closed
Sunday: Closed
CMUCS-Prosper Celina (Preferred)

2001 N Preston Rd,

Ste 80A

Prosper, TX 75078

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37.06 mi away

469-907-5012
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: 12:00 pm-6:00 pm
CMUCS-McKinney (Preferred)

210 N Custer Rd,

Ste 100

Mckinney, TX 75070

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37.13 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
Quest Diagnostics - Inside Prosper Walmart Supercenter

500 Richland Blvd,

Prosper, TX 75078

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39.12 mi away

Schedule Appointment 972-346-1086
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-12:00 pm
Sunday: Closed
Quality Lab Test (Preferred)

945 Stockton Dr,

Unit 4120

Allen, TX 75013

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39.34 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
Texas Health UC - South Custer Rd (Preferred)

7001 S Custer Rd,

Ste 900

Mckinney, TX 75070

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40.51 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
Texas Health UC - Wylie (Preferred)

499 S Highway 78,

Ste 100

Wylie, TX 75098

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41.96 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
Quest Diagnostics - Murphy

140 East F. M. 544,

Suite 80

Murphy, TX 75094

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43.29 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
Texas Health UC - Eldorado Pkwy (Preferred)

2552 Eldorado Pkwy,

Ste 550

Frisco, TX 75033

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43.86 mi away

469-495-9114
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 - Frisco (Preferred)

3520 Preston Rd,

Ste 113A

Frisco, TX 75034

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44.46 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
Texas Health UC - Preston Rd (Preferred)

2855 Preston Rd,

Frisco, TX 75034

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44.78 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
Bluestar Diagnostics - Plano (Preferred)

720 E PARK BLVD,

STE 102

PLANO, TX 75074

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45.06 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
Nova Medical Center - Plano (Preferred)

1111 Jupiter Rd,

ste 100B

Plano, TX 75074

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45.25 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
Texas Health UC - Rockwall (Preferred)

2235 S Goliad St,

Ste 110

Rockwall, TX 75032

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46.54 mi away

469-495-9142
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
CMUCS-Cross Roads (Preferred)

11350 Us Highway 380,

Ste 100

Crossroads, TX 76227

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47.47 mi away

940-228-0721
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: 12:00 pm-6:00 pm
Quest Diagnostics - Plano Medical Pavillion

3801 W 15Th St,

Ste 100, Bldg A

Plano, TX 75075

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47.5 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 - Plano (Preferred)

4701 W Park Blvd,

Ste 206

Plano, TX 75093

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47.96 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
Quest Diagnostics - Rockwall

1201 Arista Dr,

Suite 107

Rockwall, TX 75032

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48.27 mi away

Schedule Appointment 972-532-7151
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 - Presbyterian Plano

3600 Communications Pkwy,

Ste 647

Plano, TX 75093

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48.42 mi away

Schedule Appointment 972-378-3208
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 - West Parker Rd (Preferred)

5964 W Parker Rd,

Ste 100

Plano, TX 75093

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48.55 mi away

469-495-9122
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 - Richardson (Preferred)

1225 E Belt Line Rd,

Ste 200

Richardson, TX 75081

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49.81 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
Texas Health UC - Josey Ln (Preferred)

6225 N Josey Ln,

Ste 100

Lewisville, TX 75056

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49.83 mi away

469-495-9128
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

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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.