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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 - Gurabo

Praderas De Navarro Carr. 931 Km 5.6,

Sector Cielito Bo. Navarro

Gurabo, PR 00778

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2.11 mi away

Schedule Appointment 833-422-1465
Monday: 6:00 am-6:00 pm
Tuesday: 6:00 am-6:00 pm
Wednesday: 6:00 am-6:00 pm
Thursday: 6:00 am-6:00 pm
Friday: Closed
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Quest Caguas Villa Blanca

State Rd #1 Km 34.9,

Urb Villa Blanca

Caguas, PR 00725

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3.15 mi away

Schedule Appointment 833-422-1465
Monday: 6:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 6:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 6:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 6:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: Closed
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Caguas 2

75 Notredame Plaza,

Local #5 Ave Munoz Marin

Caguas, PR 00725

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4.3 mi away

Schedule Appointment 833-422-1465
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-12:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Iturregui Clinical Laboratory

Mm-9 Ave. Iturregui,

Carolina, PR 00982

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11.17 mi away

Schedule Appointment 833-422-1465
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: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Hyde Park

Calle Las Marias,

#214 Hyde Park

Rio Piedras, PR 00927

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11.31 mi away

Schedule Appointment 833-422-1465
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-12:00 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Santa Rosa Shopping Mall

Santa Rosa Mall,

Floor #1 #60

Bayamon, PR 00960

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11.77 mi away

Schedule Appointment 833-422-1465
Monday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Caparra Gallery

#107 Calle Ortegon Caparra Gallery,

Ste 105 Barrio Pueblo Viejo

Guaynabo, PR 00966

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12.43 mi away

Schedule Appointment 833-422-1465
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: Closed
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Santa Cruz

B12 Calle Santa Cruz,

Bayamon, PR 00961

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13.49 mi away

Schedule Appointment 833-422-1465
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-12:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Bayamon

1St Floor Edificio Federal Carretera 2 Km 11,

Bayamon, PR 00959

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13.85 mi away

Schedule Appointment 833-422-1465
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 am
Friday: Closed
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Laboratorio Clinico Paoli-Montero - Employer Drug Testing Not Offered

Celis Aguilera,

6 Calle

Fajardo, PR 00738

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17.96 mi away

Schedule Appointment 833-422-1465
Monday: 6:00 am-2:00 pm
Tuesday: 6:00 am-2:00 pm
Wednesday: 6:00 am-2:00 pm
Thursday: 6:00 am-2:00 pm
Friday: 6:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Laboratorio Clinico Paoli

10 Calle Union Este,

Ste 105 Barrio Pueblo Viejo

Fajardo, PR 00738

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18.03 mi away

Schedule Appointment 833-422-1465
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Vega Alta

H44 Calle Marginal,

Urb. Santa Rita

Vega Alta, PR 00692

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21.0 mi away

Schedule Appointment 833-422-1465
Monday: 7:00 am-3:00 pm
Tuesday: 7:00 am-3:00 pm
Wednesday: 7:00 am-3:00 pm
Thursday: 7:00 am-3:00 pm
Friday: Closed
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Manati RRL

Corporacion Las Vegas Building Rd #2 Bo. Campo,

Alegre Km 46.4

Manati, PR 00674

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29.3 mi away

Schedule Appointment 833-422-1465
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Baceloneta

Carr # 2.,

Km. 57.2 Sector Cruce Davila

Barceloneta, PR 00617

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34.46 mi away

Schedule Appointment 833-422-1465
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: Closed
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Ponce RRL

2929 Emilio Fagot Avenue,

Sector Cielito, Bo. Navarro

Ponce, PR 00716

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36.97 mi away

Schedule Appointment 833-422-1465
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: Closed
Saturday: 7:00 am-12:00 pm
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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.