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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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Chicagoland Drug Testing (Preferred)

93 Caterpillar Dr,

Joliet, IL 60436

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1.86 mi away

815-744-0738
Monday: 7:30 am-3:30 pm
Tuesday: 7:30 am-3:30 pm
Wednesday: 7:30 am-3:30 pm
Thursday: 7:30 am-3:30 pm
Friday: 7:30 am-3:30 pm
Saturday: Vary
Sunday: Vary
E Mediate Cure - Joliet (Preferred)

1508 Essington Rd,

Ste 5

Joliet, IL 60435

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3.94 mi away

815-733-5952
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
Lockport Express Medical (Preferred)

16221 W 159Th St,

Lockport, IL 60441

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10.02 mi away

815-588-1111
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: 9:00 am-1:00 pm
Sunday: 9:00 am-1:00 pm
EOHS - Bolingbrook (Preferred)

130 N Weber Rd,

Ste 105

Bolingbrook, IL 60440

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14.17 mi away

630-527-7299
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-12:00 pm
Sunday: Closed
ARCpoint Labs of Orland Park (Preferred)

11006 W 179Th St,

Orland Park, IL 60467

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14.54 mi away

708-963-1200
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 10:00 am-7:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Premier Occupational Health (Preferred)

550 E Boughton Road,

Suite 140

Bolingbrook, IL 60440

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16.4 mi away

630-972-0733
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: 9:00 am-1:00 pm
Sunday: Closed
OSF OnCall UC- Morris (Preferred)

1715 N Division St,

Ste 4D & 5E

Morris, IL 60450

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16.72 mi away

815-431-3410
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-4:00 pm
Friday: 8:00 am-6:00 pm
Saturday: 8:00 am-6:00 pm
Sunday: 8:00 am-6:00 pm
Quest Diagnostics - Aurora Ogden

2088 Ogden Ave,

Ste 240

Aurora, IL 60504

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17.28 mi away

Schedule Appointment 630-692-1539
Monday: 6:00 am-4:30 pm
Tuesday: 6:00 am-4:30 pm
Wednesday: 6:00 am-4:30 pm
Thursday: 6:00 am-4:30 pm
Friday: 6:00 am-4:30 pm
Saturday: 6:00 am-1:00 pm
Sunday: Closed
ExamOne (Preferred)

1100 Ravinia Pl,

Orland Park, IL 60462

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17.36 mi away

708-966-0612
Monday: 9:15 am-4:00 pm
Tuesday: 9:15 am-4:00 pm
Wednesday: 9:15 am-4:00 pm
Thursday: 9:15 am-4:00 pm
Friday: 9:15 am-4:00 pm
Saturday: Closed
Sunday: Closed
EOHS - Naperville (Preferred)

100 Spalding Dr,

Ste 212

Naperville, IL 60540

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18.44 mi away

630-527-7299
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 - Naperville

640 S Washington St,

Ste 140

Naperville, IL 60540

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18.83 mi away

Schedule Appointment 630-778-9606
Monday: 5:30 am-3:30 pm
Tuesday: 5:30 am-3:30 pm
Wednesday: 5:30 am-3:30 pm
Thursday: 5:30 am-3:30 pm
Friday: 5:30 am-3:30 pm
Saturday: 6:00 am-1:00 pm
Sunday: Closed
Sterchi Occupational Health (Preferred)

54 W Countryside Pkwy,

Ste D

Yorkville, IL 60560

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19.65 mi away

630-636-0950
Monday: 9:00 am-6:00 pm
Tuesday: 9:00 am-3:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-6:00 pm
Friday: 9:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Yorkville

507 W Kendall Dr,

Ste 12

Yorkville, IL 60560

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19.74 mi away

Schedule Appointment 331-442-7238
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Wicked Wellness Spa (Preferred)

6700 167Th St,

Ste 4 & 5

Tinley Park, IL 60477

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20.33 mi away

708-781-3007
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: 9:00 am-6:00 pm
Sunday: 10:00 am-6:00 pm
Quest Diagnostics - Downers Grove

1113 Fairview Ave,

Westmont, IL 60559

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20.93 mi away

Schedule Appointment 630-353-0597
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: 6:30 am-12:00 pm
Sunday: Closed
Willowbrook Medical Center (Preferred)

535 Plainfield Rd,

Ste C

Willowbrook, IL 60527

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21.62 mi away

630-986-7501
Monday: 7:00 am-6:00 pm
Tuesday: 7:00 am-6:00 pm
Wednesday: 7:00 am-6:00 pm
Thursday: 7:00 am-6:00 pm
Friday: 7:00 am-6:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Truckspot Occupational Health (Preferred)

4801 Southwick Dr,

Ste 101

Matteson, IL 60443

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21.84 mi away

708-898-1400
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Proven Occupational Hlth (Preferred)

10330 S Roberts Rd,

Palos Hills, IL 60465

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22.59 mi away

708-237-7200
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-11:30 am
Sunday: Closed
Quest Diagnostics - Inside Country Club Hills Walmart

4005 167Th St,

Country Club Hills, IL 60478

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23.59 mi away

Schedule Appointment 708-957-6868
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-4:00 pm
Saturday: 7:30 am-2:00 pm
Sunday: Closed
Smith's Screening Solutions (Preferred)

19710 Governors Hwy,

Ste 5

Flossmoor, IL 60422

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23.89 mi away

708-794-3600
Monday: 9:00 am-4:00 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-12:45 pm
Sunday: Closed
Trio Chiropractic & Wellness Ctr SC (Preferred)

17516 E Carriageway Dr,

Ste B

Hazel Crest, IL 60429

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24.68 mi away

708-914-4445
Monday: 10:00 am-5:00 pm
Tuesday: 10:00 am-5:00 pm
Wednesday: Closed
Thursday: 10:00 am-5:00 pm
Friday: 10:00 am-5:00 pm
Saturday: 10:00 am-3:00 pm
Sunday: Closed
Precision Compliance Testing LLC (Preferred)

16643 Kedzie Ave,

Ste 104-400

Markham, IL 60428

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24.8 mi away

630-349-8333
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-2:00 pm
Sunday: 8:00 am-2:00 pm
La Grange Medical Center (Preferred)

911 West 55Th Street,

Countryside, IL 60525

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24.84 mi away

708-352-0330
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
OSF OnCall UC- Oak Lawn Promenade (Preferred)

6356 W 95Th St,

Oak Lawn, IL 60453

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24.89 mi away

708-907-4355
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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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.