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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 - Lake Mary - Employer Drug Testing Not Offered

2500 West Lake Mary Boulevard,

Suite 108

Lake Mary, FL 32746

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3.69 mi away

Schedule Appointment 407-321-5382
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Sanford - Employer Drug Testing Not Offered

1418 W 1st St,

Sanford, FL 32771

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3.99 mi away

Schedule Appointment 407-330-3959
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Winter Springs Town Center

1132 E State Road 434,

Winter Springs, FL 32708

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4.06 mi away

Schedule Appointment 407-327-3117
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Heathrow Lake Mary - Employer Drug Testing Not Offered

120 International Parkway,

Lake Mary, FL 32746

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6.06 mi away

Schedule Appointment 407-444-2777
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Oviedo

1950 W Sr 426,

Ste 108

Oviedo, FL 32765

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7.34 mi away

Schedule Appointment 407-977-2098
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Deltona 2

915 Doyle Road,

Suite C-4 & C-5

Deltona, FL 32725

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7.61 mi away

Schedule Appointment 386-860-5065
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Longwood -434

1903 W Sr 434,

Longwood, FL 32750

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8.37 mi away

Schedule Appointment 407-725-1282
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Altamonte Springs - Employer Drug Testing Not Offered

745 Orienta Ave,

Unit 1051

Altamonte Springs, FL 32701

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8.82 mi away

Schedule Appointment 407-265-2712
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Casselberry Walmart

1239 State Road 436,

Casselberry, FL 32707

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9.24 mi away

Schedule Appointment 407-551-0627
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-11:00 am
Sunday: Closed
Quest Diagnostics - Orange City

2756 Enterprise Road,

Orange City, FL 32763

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10.4 mi away

Schedule Appointment 386-744-8035
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Orlando University

10043 University Blvd,

Orlando, FL 32817

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11.08 mi away

Schedule Appointment 407-678-3320
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Winter Park

2111 Glenwood Dr,

Ste 102

Winter Park, FL 32792

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11.51 mi away

Schedule Appointment 407-645-5440
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Deltona - Employer Drug Testing Not Offered

2783 Elkcam Boulevard,

Unit 208

Deltona, FL 32738

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12.2 mi away

Schedule Appointment 386-774-0223
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Apopka

2135 E Semoran Blvd,

Apopka, FL 32703

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12.85 mi away

Schedule Appointment 407-464-7122
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Orlando Alafaya

2000 N Alafaya Trail,

Suite 100

Orlando, FL 32826

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13.1 mi away

Schedule Appointment 407-249-1032
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Orlando Waterford

610 N Alafaya Trl,

Ste 107

Orlando, FL 32828

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14.18 mi away

Schedule Appointment 407-307-0610
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Orlando - Mills

1430 N Mills Ave,

Unit 140

Orlando, FL 32803

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14.58 mi away

Schedule Appointment 407-815-6563
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 6:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Orlando Lake Underhill

7780 Lake Underhill Road,

Orlando, FL 32822

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15.18 mi away

Schedule Appointment 407-502-2241
Monday: 5:30 am-3:00 pm
Tuesday: 5:30 am-3:00 pm
Wednesday: 5:30 am-3:00 pm
Thursday: 5:30 am-3:00 pm
Friday: 5:30 am-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Inside Orlando Princeton Walmart

3101 W PRINCETON ST,

ORLANDO, FL 32808

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15.51 mi away

Schedule Appointment 407-698-4556
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 - Orlando Stoney Brook Marketplace

2504 S Alafaya Trl,

Ste 160

Orlando, FL 32828

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16.86 mi away

Schedule Appointment 407-482-0902
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Orlando Lucerne Terrace

1700 Lucerne Ter,

Orlando, FL 32806

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17.55 mi away

Schedule Appointment 407-425-8873
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: 6:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Mt. Dora Orange Blossom Trail-Stoneybrook Plaza

6551 N. Orange Blossom Trail,

Ste 109 And 113

Mt. Dora, FL 32757

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19.54 mi away

Schedule Appointment 352-933-0040
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Orlando Metro West

1603 S Hiawassee Rd,

Suite 120

Orlando, FL 32835

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19.83 mi away

Schedule Appointment 407-292-3717
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 6:30 am-10:30 am
Sunday: Closed
Quest Diagnostics - Ocoee West Colonial

10131 W Colonial Dr,

Ste 8 Bldg C

Ocoee, FL 34761

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20.21 mi away

Schedule Appointment 407-294-0348
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: 6:30 am-10:30 am
Sunday: Closed
Quest Diagnostics - Orlando

5463 Gateway Circle,

Suite 102

Orlando, FL 32812

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20.98 mi away

Schedule Appointment 407-726-6344
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Mt Dora - Loch Leven Plaza

18989 Highway 441,

Mount Dora, FL 32757

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21.11 mi away

Schedule Appointment 352-383-3474
Monday: 5:00 am-2:00 pm
Tuesday: 5:00 am-2:00 pm
Wednesday: 5:00 am-2:00 pm
Thursday: 5:00 am-2:00 pm
Friday: 5:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Deland

1702 N Woodland Blvd,

Ste 108 & 110

Deland, FL 32720

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21.2 mi away

Schedule Appointment 386-734-7167
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Ocoee Meadow Ridge

2910 South Maguire Rd,

Suite1010

Ocoee, FL 34761

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21.92 mi away

Schedule Appointment 407-654-0159
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Lake Nona - Employer Drug Testing Not Offered

10437 Moss Park Rd,

Suite A

Orlando, FL 32832

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23.68 mi away

Schedule Appointment 407-207-4765
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Titusville

3233 Garden St,

Unit 13

Titusville, FL 32796

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23.85 mi away

Schedule Appointment 321-446-8971
Monday: 5:30 am-3:00 pm
Tuesday: 5:30 am-3:00 pm
Wednesday: 5:30 am-3:00 pm
Thursday: 5:30 am-3:00 pm
Friday: 5:30 am-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - New Smyrna

1996 State Road 44,

New Smyrna Beach, FL 32168

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23.95 mi away

Schedule Appointment 386-428-0932
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Eustis Walker Rd

2812 David Walker Road,

Suite 2812

Eustis, FL 32726

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24.14 mi away

Schedule Appointment 352-483-8115
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: 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.