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

Quest Diagnostics - Gurabo

Praderas De Navarro Carr. 931 Km 5.6,

Sector Cielito, Bo. Navarro

Gurabo, PR 00778

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

2.11 mi away

Schedule Appointment 787-300-2990
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

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

3.15 mi away

Schedule Appointment 787-300-2990
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

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

4.3 mi away

Schedule Appointment 787-300-2990
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

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

11.17 mi away

Schedule Appointment 787-300-2990
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

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

11.31 mi away

Schedule Appointment 787-300-2990
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

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

11.77 mi away

Schedule Appointment 787-300-2990
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

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

12.43 mi away

Schedule Appointment 787-300-2990
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

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

13.49 mi away

Schedule Appointment 787-300-2990
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

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

14.48 mi away

Schedule Appointment 787-300-2990
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

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

17.96 mi away

Schedule Appointment 787-300-2990
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,

Fajardo, PR 00738

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

17.96 mi away

Schedule Appointment 787-300-2990
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

Calle Marginal H-44,

Urb. Santa Rita

Vega Alta, PR 00692

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

21.0 mi away

Schedule Appointment 787-300-2990
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

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

29.3 mi away

Schedule Appointment 787-300-2990
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

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

34.46 mi away

Schedule Appointment 787-300-2990
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,

Ponce, PR 00716

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

36.97 mi away

Schedule Appointment 787-300-2990
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

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.