Clinical Location Services

US Clinical Labs Directory

Locate accredited Quest Diagnostics and Labcorp health facilities across the United States. Search or navigate to retrieve secure contact information.

//Los Angeles

Labs in Los Angeles, CA

Showing 30 of 30 verified laboratory facilities located in Los Angeles.

Area:
Downtown
Q

Quest Diagnostics - Los Angeles Downtown

Quest Diagnostics Center

Address1554 Saint Clair St, Suite 126, Los Angeles, CA 90015
Phone+1 (310) 182-7304
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
West Wilshire
Q

Quest Diagnostics - Los Angeles West Wilshire

Quest Diagnostics Center

Address8367 SW 27th Ave, Suite 459, Los Angeles, CA 90017
Phone+1 (310) 940-7448
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Century City
Q

Quest Diagnostics - Los Angeles Century City

Quest Diagnostics Center

Address5240 Walnut Hill Ln, Suite 438, Los Angeles, CA 90067
Phone+1 (310) 407-2360
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Little Tokyo
Q

Quest Diagnostics - Los Angeles Little Tokyo

Quest Diagnostics Center

Address2788 East 12th St, Suite 257, Los Angeles, CA 90013
Phone+1 (310) 496-7324
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Centinela
Q

Quest Diagnostics - Los Angeles Centinela

Quest Diagnostics Center

Address9734 Montague St, Suite 455, Los Angeles, CA 90066
Phone+1 (310) 760-2270
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
East LA
Q

Quest Diagnostics - Los Angeles East LA

Quest Diagnostics Center

Address6389 MacDill Ave, Suite 345, Los Angeles, CA 90033
Phone+1 (310) 253-8299
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Beverly Hills
Q

Quest Diagnostics - Los Angeles Beverly Hills

Quest Diagnostics Center

Address5220 Madison Ave, Suite 587, Los Angeles, CA 90210
Phone+1 (310) 703-4305
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Santa Monica
Q

Quest Diagnostics - Los Angeles Santa Monica

Quest Diagnostics Center

Address8427 Dale Mabry Hwy, Suite 282, Los Angeles, CA 90401
Phone+1 (310) 216-2713
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Pasadena
Q

Quest Diagnostics - Los Angeles Pasadena

Quest Diagnostics Center

Address3085 MacDill Ave, Suite 264, Los Angeles, CA 91101
Phone+1 (310) 145-3005
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com

HbA1c Test Preparation & Guidance

Unlike standard fasting blood glucose tests, an **HbA1c screening does NOT require fasting**. You can eat and drink normally before arriving at Quest Diagnostics or Labcorp. Make sure to bring your doctor's official laboratory requisition form and your clinical ID cards.

Expert Testing Insights

Clinical Testing & A1C FAQs

Get expert, clinical answers to common questions about HbA1c screenings, outpatient lab networks, and diagnostic preparations.

Most primary outpatient centers in Los Angeles are conveniently located near major medical corridors and public transit routes. Check our localized directory for exact addresses to plan your route.
Local patient service centers in Los Angeles usually open early—typically between 6:30 AM and 7:30 AM—to accommodate patients who prefer morning draws before going to work.
While walk-ins are accepted at Quest and Labcorp sites in Los Angeles, scheduled appointments receive priority. We highly recommend booking online beforehand to avoid long wait times.
Certified pediatric phlebotomists are available at select Los Angeles draw locations. Ensure your child is well-hydrated, and choose centers marked with pediatric service flags.
Yes, several outpatient laboratory sites in Los Angeles operate half-day schedules on Saturdays (typically 8:00 AM to 12:00 PM). Use our directory filter to find locations active on weekends.
All certified clinical draw centers in Los Angeles comply fully with ADA accessibility standards, providing designated parking, step-free access, and automatic entryways.
Your specimen is safely labeled with unique barcodes and transported in temperature-controlled couriers from Los Angeles to regional laboratory processing hubs for high-precision diagnostic analysis.
Outpatient draw centers in Los Angeles do not print medical records on-site for privacy reasons. All secure reports must be accessed via your online portal or requested from your ordering doctor.
You can easily modify, cancel, or reschedule your appointment by logging into the Quest or Labcorp portal where you made the initial reservation.
Yes, most modern patient service centers in Los Angeles feature digital iPad or touchscreen self-check-in kiosks at the lobby to expedite your arrival registration.