Description

Top 10 Diagnostic Centers in Los Angeles for Health Checkups

Finding the right diagnostic center in Los Angeles can feel confusing when you need routine blood work, preventive health screening, imaging, or specialized laboratory testing. With so many hospitals, independent laboratories, medical centers, and testing facilities across Los Angeles, people often search for a convenient location that offers the tests they need, accepts their insurance or payment method, and provides reliable results.
Los Angeles is one of the largest and most medically diverse metropolitan areas in the United States. Residents can choose from large healthcare systems, independent diagnostic laboratories, university-affiliated medical centers, and specialized testing providers. This variety is useful, but it also means that patients need to understand what each facility actually offers before scheduling a test.
This guide highlights 10 diagnostic centers and healthcare systems in and around Los Angeles that provide laboratory, pathology, health-screening, or diagnostic services. The list includes major providers such as UCLA Health, Quest Diagnostics, Labcorp, Kaiser Permanente, Cedars-Sinai, Keck Medicine of USC, Los Angeles County Health Services, and ARCpoint Labs.
Whether you are looking for a routine health checkup in Los Angeles, blood testing near you, preventive screening, or specialized diagnostic testing, this guide will help you understand the services, locations, and practical considerations before booking an appointment.

 

1. UCLA Health Clinical Laboratories

Overview
UCLA Health is one of the major academic healthcare systems serving Los Angeles and surrounding communities. Its clinical laboratory network provides blood draws, specimen collection, urine testing, and other laboratory services.
UCLA Health operates laboratory locations in areas including Westwood, Santa Monica, Burbank, Encino, Panorama City, Santa Clarita, Thousand Oaks, Torrance, Westlake Village, and Woodland Hills. This makes it a practical option for people searching for laboratory services across different parts of the Los Angeles region.
Services Offered
*  Blood draws and specimen collection
*  Urine sample collection
*  Clinical laboratory testing
*  Physician-ordered laboratory tests
*  Outpatient laboratory services
*  Multiple neighborhood laboratory locations
Why Choose Them
One of the biggest advantages of UCLA Health is its broad local network. Someone living in Westwood may use a Westwood laboratory, while another patient may have access to UCLA laboratory services in Santa Monica, Encino, Torrance, or Woodland Hills.
UCLA also provides virtual check-in at several locations, which can make an outpatient laboratory visit more convenient.
Location
UCLA Health Clinical Labs has multiple locations throughout Los Angeles and surrounding communities.
Website
UCLA Health Clinical Labs
Serving Areas
*  Westwood
*  Santa Monica
*  Burbank
*  Encino
*  Panorama City
*  Santa Clarita
*  Torrance
*  Woodland Hills
*  Calabasas
*  Thousand Oaks
 

2. Quest Diagnostics

Overview
Quest Diagnostics is one of the largest diagnostic laboratory providers operating in the United States, with multiple patient service locations throughout Los Angeles.
Its Los Angeles locations include facilities on South Grand Avenue, Century Park East, East 3rd Street, Wilshire Boulevard, South Centinela Avenue, and Cesar Chavez Avenue.
Services Offered
*  Routine blood testing
*  Physician-ordered laboratory testing
*  Employer health screening
*  General health testing
*  Sexual health testing
*  Hormone testing
*  Vitamin testing
*  Infectious disease testing
*  Other specialized laboratory tests
At its Century Park East location, Quest states that patients can complete doctor-ordered or self-purchased laboratory work and offers more than 150 lab tests through its consumer testing service.
Why Choose Them
Quest Diagnostics can be useful for people who want access to a large laboratory network and multiple locations. Its combination of physician-ordered testing and consumer-accessible testing makes it relevant for different types of laboratory needs.
Patients should confirm whether their specific test requires a physician order before scheduling.
Location
Multiple locations throughout Los Angeles.
Website
Quest Diagnostics
Serving Areas
*  Downtown Los Angeles
*  West Los Angeles
*  Century City
*  Wilshire area
*  East Los Angeles
*  Central Los Angeles
*  Surrounding Los Angeles communities
 

3. Labcorp

Overview
Labcorp provides blood testing and specimen collection services throughout Los Angeles. Its local network includes several locations, making it a familiar option for people searching for routine laboratory testing in Los Angeles.
Labcorp's Los Angeles directory currently lists locations including 1400 S Grand Ave, 1825 Cesar Chavez Avenue, 10880 Wilshire Blvd., 12555 W. Jefferson Blvd., 2007 Wilshire Blvd., and 10309 Santa Monica Blvd.
Services Offered
*  Blood tests
*  Specimen collection
*  Routine laboratory testing
*  Employer-required health panels
*  Physician-requested laboratory testing
*  At-home collection kits for certain services
Why Choose Them
Labcorp's large network can be helpful when location and accessibility are important. Patients can select a location closer to work, home, or a medical appointment.
The company also provides information about appointment scheduling and local laboratory centers through its online location directory.
Location
Multiple locations throughout Los Angeles.
Website
Labcorp
Serving Areas
*  Downtown Los Angeles
*  West Los Angeles
*  Westwood
*  Santa Monica area
*  Central Los Angeles
*  East Los Angeles
*  Other surrounding communities
 

4. Cedars-Sinai

Overview
Cedars-Sinai is a major medical center in Los Angeles with pathology and laboratory medicine services supporting clinical care.
Its laboratory medicine infrastructure includes anatomic pathology, clinical pathology, and molecular pathology services. Cedars-Sinai lists its main medical center at 8700 Beverly Blvd., Los Angeles, CA 90048.
Services Offered
*  Clinical pathology
*  Anatomic pathology
*  Molecular pathology
*  Laboratory medicine
*  Diagnostic pathology
*  Specialized laboratory consultation
*  Hospital-based diagnostic services
Why Choose Them
Cedars-Sinai is particularly relevant when laboratory diagnostics are part of broader medical care. Patients who require specialized evaluation may benefit from having diagnostic and clinical services within a large medical system.
For routine testing, patients should check whether a physician order or appointment is required and confirm which department handles their specific test.
Location
8700 Beverly Blvd., Los Angeles, CA 90048.
Website
Cedars-Sinai
Serving Areas
*  Beverly Grove
*  West Hollywood
*  Beverly Hills
*  Central Los Angeles
*  West Los Angeles
*  Greater Los Angeles
 

5. Keck Medicine of USC – Department of Pathology

Overview
Keck Medicine of USC provides advanced medical services through the University of Southern California healthcare system. Its Department of Pathology provides clinical laboratory services supporting several hospitals, including Keck Hospital of USC, USC Norris Cancer Hospital, and Los Angeles General Medical Center.
Services Offered
*  Clinical pathology
*  Anatomic pathology
*  Hematopathology
*  Medical microbiology
*  Molecular pathology
*  Coagulation and hemostasis testing
*  Chemical pathology
*  Transfusion medicine
*  Specialized pathology services
Why Choose Them
Keck Medicine can be particularly relevant for patients whose diagnostic requirements are connected to specialized medical care. Its pathology department covers numerous subspecialties and supports multiple hospitals.
The department also provides pathology services to community hospitals and affiliated healthcare facilities.
Location
Keck School of Medicine of USC, 1975 Zonal Ave., Los Angeles, CA 90033.
Website
Keck Medicine of USC
Serving Areas
*  Downtown Los Angeles
*  Boyle Heights
*  Central Los Angeles
*  USC area
*  Greater Los Angeles
*  Southern California
 

6. Kaiser Permanente Los Angeles Medical Center

Overview
Kaiser Permanente operates an integrated healthcare system with laboratory and diagnostic imaging services across Los Angeles.
Its Los Angeles Medical Center is located at 4867 W Sunset Blvd., Los Angeles, CA 90027. The facility includes laboratory and radiology/diagnostic imaging departments.
Kaiser also operates laboratory services at several Los Angeles locations.
Services Offered
*  Laboratory testing
*  Blood testing
*  Diagnostic imaging
*  Mammography
*  Preventive healthcare testing
*  Physician-ordered diagnostic services
Why Choose Them
For Kaiser Permanente members, having laboratory and diagnostic services integrated with their healthcare system can simplify the process of getting tests ordered, completed, and reviewed.
The West Los Angeles Medical Center laboratory, for example, offers walk-in services as well as scheduled appointments.
Location
Los Angeles Medical Center: 4867 W Sunset Blvd., Los Angeles, CA 90027.
West Los Angeles laboratory: 6041 Cadillac Ave., Los Angeles, CA 90034.
Website
Kaiser Permanente
Serving Areas
*  West Los Angeles
*  Los Angeles
*  Hollywood
*  East Los Angeles
*  Baldwin Hills
*  Playa Vista
*  Other Southern California communities
 

7. Los Angeles County Health Services

Overview
Los Angeles County Health Services provides laboratory and diagnostic services through a network of public healthcare facilities.
Its diagnostic services include laboratory medicine, pathology, radiology, and nuclear medicine. Laboratory services can include blood work, urine tests, and other tests ordered by a healthcare provider.
Services Offered
*  Blood work
*  Urine testing
*  Laboratory testing
*  Radiology
*  Mammography
*  Chest X-rays
*  Nuclear medicine
*  Other physician-directed diagnostic services
Why Choose Them
County health facilities can be an important option for eligible residents looking for public healthcare services. The system includes multiple laboratory locations.
Examples include Los Angeles General Medical Center, Olive View-UCLA Medical Center, Rancho Los Amigos National Rehabilitation Center, and Harbor-UCLA Medical Center.
Location
Multiple Los Angeles County facilities.
Website
Los Angeles County Health Services
Serving Areas
*  Central Los Angeles
*  East Los Angeles
*  South Los Angeles
*  Sylmar
*  Harbor area
*  Downey
*  Other Los Angeles County communities
 

8. ARCpoint Labs of West Los Angeles

Overview
ARCpoint Labs of West Los Angeles is an independent diagnostic testing provider offering a broad selection of wellness and laboratory tests.
The center lists services ranging from blood draws and general wellness testing to cardiac health, digestive health, thyroid testing, hormone testing, infectious disease testing, and vitamin/nutritional deficiency testing.
Services Offered
*  Annual health screenings
*  Blood testing
*  General wellness testing
*  Cardiac health testing
*  Thyroid testing
*  Diabetes testing
*  Hormone testing
*  Vitamin and nutritional testing
*  Infectious disease testing
*  STD testing
*  Allergy and sensitivity testing
*  DNA testing
Why Choose Them
ARCpoint Labs can be useful for people seeking specific laboratory tests or wellness panels. Its test directory includes individual tests as well as broader panels.
The center also offers same-day appointments and blood-draw services, subject to availability.
Location
2523 South Robertson Blvd., Los Angeles, CA 90034.
Website
ARCpoint Labs of West Los Angeles
Contact Details
Phone: 310-862-4333.
Serving Areas
*  West Los Angeles
*  Culver City
*  Santa Monica
*  Sawtelle
*  Beverly Hills
*  Greater Los Angeles
 

9. City of Hope

Overview
City of Hope is a specialized medical and research organization with a strong focus on cancer care and related diagnostics. While it is not a general walk-in laboratory in the same way as Quest Diagnostics or Labcorp, its laboratory and pathology services can be relevant for patients who require specialized diagnostic evaluation.
City of Hope's laboratory outreach services include specialized cytogenetics testing for leukemia, lymphoma, and solid tumors. Its cytogenetics service performs diagnostic cancer cytogenetic and fluorescence in situ hybridization testing.
Services Offered
*  Specialized pathology
*  Cancer cytogenetics
*  Molecular testing
*  Hematopathology-related diagnostics
*  Tumor-related laboratory testing
*  Specialized diagnostic services
Why Choose Them
City of Hope is particularly relevant for patients requiring specialized cancer diagnostics rather than a simple routine health checkup.
Patients should contact the organization directly to determine whether its services match their physician's diagnostic requirements.
Location
City of Hope's main Duarte address is 1500 E. Duarte Road, Duarte, CA 91010.
Website
City of Hope
Contact Details
City of Hope lists 844-313-5227 for laboratory services and 626-218-0100 as its main line.
Serving Areas
*  Duarte
*  Pasadena area
*  San Gabriel Valley
*  Greater Los Angeles
*  Southern California
 

10. Los Angeles-Area Diagnostic and Hospital Laboratory Services

Overview
Another option for health checkups in Los Angeles is to use diagnostic departments within hospitals and integrated medical centers. These facilities can be useful when testing is part of a broader appointment with a primary care physician or specialist.
Los Angeles has a large network of hospitals and medical centers offering laboratory, pathology, radiology, and imaging services.
Services Offered
*  Blood tests
*  Urine tests
*  Pathology
*  Radiology
*  Diagnostic imaging
*  Mammography
*  X-rays
*  Specialized laboratory testing
Why Choose Them
Hospital-based diagnostic departments can be convenient when patients already receive medical care within the same healthcare system. A doctor can order testing, the diagnostic department can perform the examination, and the healthcare team can interpret the results as part of the patient's overall care.
Los Angeles County Health Services, for example, describes its diagnostic services as including pathology and laboratory medicine, radiology, and nuclear medicine.
Location
Locations vary throughout Los Angeles County.
Website
Patients should use the official website of their healthcare provider or hospital system to locate the appropriate diagnostic department..
Serving Areas
*  Downtown Los Angeles
*  Hollywood
*  West Los Angeles
*  East Los Angeles
*  South Los Angeles
*  San Fernando Valley
*  Greater Los Angeles
 

Benefits of Getting Regular Health Checkups
Routine health checkups can help people and their healthcare providers monitor important aspects of overall health. The exact tests required depend on individual circumstances, so a healthcare professional should determine which screenings are appropriate.
1. Monitoring General Health
Blood and urine testing can provide information that helps physicians evaluate different aspects of health.
*  Blood glucose
*  Cholesterol
*  Blood counts
*  Kidney-related measurements
*  Liver-related measurements
*  Other laboratory markers
2. Identifying Potential Health Problems
Some health conditions may not cause obvious symptoms during their early stages. Appropriate screening can give healthcare professionals additional information when evaluating potential health concerns.
3. Convenient Preventive Care
Many Los Angeles diagnostic centers have multiple locations, allowing residents to choose a facility closer to home, work, or their physician's office.
4. Specialized Testing
Some laboratories offer specialized testing beyond routine blood work, including hormone, thyroid, nutritional, infectious disease, genetic, and other diagnostic services.
5. Supporting Doctor-Directed Care
Diagnostic tests can provide information that physicians use alongside medical history, physical examinations, symptoms, and other clinical information.
 

How to Choose a Diagnostic Center in Los Angeles
Choosing a diagnostic center should be based on the type of testing you need rather than simply selecting the nearest location.
1. Check Whether the Test Is Available
Before booking an appointment, confirm that the facility performs the specific test you need.
For example, a routine blood test may be available at many laboratories, while specialized genetic, pathology, imaging, or cancer-related tests may require a specific facility.
2. Ask Whether a Doctor's Order Is Required
Some tests require an order from a healthcare provider. UCLA Health, for example, notes that most laboratory tests it performs are ordered by a healthcare provider.
3. Check Insurance and Pricing
Healthcare costs can vary significantly. Ask the diagnostic center or your insurance provider whether the test is covered and whether there are additional fees.
4. Compare Location and Appointment Availability
Los Angeles traffic can make location an important practical consideration. A center close to your home or workplace may be more convenient than traveling across the city.
5. Check Preparation Requirements
Some tests may require fasting, medication instructions, specific collection procedures, or other preparation. Confirm the requirements before your appointment.
6. Review Result Delivery Options
Ask how and when you will receive your results. Some healthcare systems provide results through online patient portals, while others may communicate through your physician.
7. Consider the Type of Facility
A large hospital laboratory may be appropriate when diagnostic testing is part of specialized medical care. An independent laboratory may be more convenient for routine testing or individual laboratory services.
 

Tips Before Visiting a Diagnostic Center
*  Carry your doctor's prescription or laboratory order if one is required.
*  Bring your insurance information and identification.
*  Confirm whether fasting is required.
*  Ask whether you need to stop or continue any medication before testing. Follow your healthcare provider's instructions rather than making medication changes yourself.
*  Confirm the laboratory's operating hours.
*  Ask how results will be delivered.
*  Keep copies of previous reports when they may be useful to your healthcare provider.
*  If you are unsure which tests you need, speak with a qualified healthcare professional before purchasing or scheduling a test.
 

Frequently Asked Questions About Diagnostic Centers in Los Angeles
1. What are the best diagnostic centers in Los Angeles for health checkups?
Los Angeles has several established diagnostic providers, including UCLA Health, Quest Diagnostics, Labcorp, Cedars-Sinai, Keck Medicine of USC, Kaiser Permanente, Los Angeles County Health Services, and ARCpoint Labs. The appropriate option depends on the type of test, location, insurance, physician order, and other personal requirements.
2. Where can I get a blood test in Los Angeles?
Blood testing is available through providers such as UCLA Health, Quest Diagnostics, Labcorp, Kaiser Permanente, Los Angeles County Health Services, ARCpoint Labs, and hospital-based laboratories. Availability varies by location and test type.
3. Do I need a doctor's prescription for a health checkup?
It depends on the test and provider. Some laboratory services require a healthcare provider's order. UCLA Health specifically notes that most of its laboratory tests are ordered by healthcare providers.
4. Can I get a complete health checkup at a diagnostic center?
A diagnostic center can perform laboratory tests and other diagnostic services, but a "complete health checkup" is not necessarily the same at every facility. Your healthcare provider can help determine which screenings and tests are appropriate for you.
5. Does Quest Diagnostics have locations in Los Angeles?
Yes. Quest Diagnostics lists multiple Los Angeles locations, including facilities on South Grand Avenue, Century Park East, East 3rd Street, Wilshire Boulevard, and other areas.
6. Does Labcorp offer blood testing in Los Angeles?
Yes. Labcorp lists several Los Angeles locations providing blood testing and specimen collection services.
7. Where can I find diagnostic testing near West Los Angeles?
West Los Angeles has several options, including ARCpoint Labs of West Los Angeles and Kaiser Permanente's West Los Angeles laboratory. ARCpoint Labs is located on South Robertson Boulevard, while Kaiser Permanente's West Los Angeles laboratory is located on Cadillac Avenue.
8. Can I get preventive health screening in Los Angeles?
Yes. Depending on your needs, preventive testing may include blood work, cholesterol testing, diabetes screening, cancer screening, imaging, or other tests. The appropriate screening schedule varies by age, medical history, risk factors, and healthcare guidance.
9. How much does a health checkup cost in Los Angeles?
There is no single price for a health checkup. Cost depends on the tests performed, insurance coverage, provider, facility, and whether additional consultations or imaging are included. Ask the facility or your insurer for a current estimate before testing.
10. How should I prepare for a diagnostic test?
Preparation depends on the test. Some blood tests may require fasting, while others do not. Follow the instructions provided by your healthcare provider or diagnostic center and ask questions if anything is unclear.
 

Conclusion
Finding a diagnostic center in Los Angeles becomes easier when you first identify the type of testing you need. For routine laboratory work, large providers such as Quest Diagnostics and Labcorp offer multiple locations, while UCLA Health provides a broad clinical laboratory network throughout Los Angeles and surrounding communities.
Patients who receive care through integrated systems may consider providers such as Kaiser Permanente, Cedars-Sinai, or Keck Medicine of USC. For specialized testing, providers such as City of Hope and ARCpoint Labs may offer services that match particular diagnostic requirements.
The most important step is not simply finding the closest laboratory. Check whether the facility performs your required test, whether you need a physician's order, whether your insurance is accepted, how much the service costs, and how you will receive the results.
If you are searching online for a "diagnostic center near me in Los Angeles," "health checkup in Los Angeles," "blood test near me," or "laboratory testing Los Angeles," compare the available options based on your actual healthcare needs and confirm current details directly with the provider before visiting.

Comments (0)