Walk-in Lab Locations in San Diego
Most Labcorp patient service centers, or PSCs, in San Diego accept walk-ins, though same-day appointments are usually faster. Labcorp and Quest Diagnostics both operate walk-in patient service centers in San Diego. Before you go, check the lab location’s weekday hours and appointment options, since walk-in availability can vary by site.
- Quest DiagnosticsAddress: 1855 First Ave. #200b, San Diego, CA 92101Number: (619) 236-0081Hours: Mon 1:30pm-3pm, Tue-Thu 1:30pm-2:30pm, Fri 1:30pm-3pm, Closed Sat-Sun
- LabcorpAddress: 4033 3rd Ave, San Diego, CA 92103Number: 619-299-2831Hours: Mon-Fri 7am-3pm, Closed Sat-Sun
- Quest DiagnosticsAddress: 4060 Fourth Ave Ste 125, San Diego, CA 92103Number: (619) 291-4890Hours: Mon-Fri 8am-5pm, Closed Sat-Sun
- LabcorpAddress: 3737 Moraga Ave, San Diego, CA 92117Number: 858-274-4804Hours: Mon-Fri 7:30am-3:30pm, Closed Sat-Sun
Mobile Phlebotomy in San Diego
For people with limited mobility, anxiety about in-person blood draws, tight schedules, or young kids at home, mobile phlebotomy, an in-home blood draw service, can be a practical option. In San Diego, Getlabs offers this type of visit in some areas, though coverage varies by ZIP code. These services send a trained phlebotomist to your home and may charge a separate convenience fee.
Appointments typically 6:00am–10:00pm, 7 days a week.
- Sample is drawn in your home, not a waiting room
- No travel time to a lab
- Appointments can fit around family or other schedule needs
- Helpful for limited mobility or anyone who prefers privacy
For added convenience, at-home blood test kits let you collect a finger-prick sample yourself and mail it to a CLIA-certified lab.
Free and Low-Cost Lab Testing in San Diego
Community health centers, which are local clinics that provide primary care and preventive services, serve patients in San Diego with and without insurance. That includes Medicaid, Medicare, and self-pay options on a sliding scale. Some draw blood on-site, while others work with a nearby lab, so call to confirm lab availability before you go.
- Central Elementary School, 3878 Orange Ave, San Diego, CA 92105, (619) 280-2058
- Downtown Family Health Center at Connections, 1250 6th Ave, Ste 100, San Diego, CA 92101, (619) 515-2525
- La Maestra Monroe Clark Middle School Clinic, 4388 Thorn St BLDG 300, San Diego, CA 92105, (619) 563-6801
- San Diego Community Health Center, 2602 1st Ave, San Diego, CA 92103, (619) 234-2158
- San Ysidro Health Senior Dental Center, 1525 4th Ave STE 201, San Diego, CA 92101, (619) 662-4100
- St Vincent de Paul Village Family Health Center, 16 15th St, San Diego, CA 92101, (619) 645-6405
Common Blood Tests in San Diego
These are common blood panels for routine and preventive care, with the tests most relevant to San Diego’s local health trends listed first. Each row shows what the test measures and why a doctor might order it. Our Medical Review Board reviewed the panels, and your doctor decides what’s right for you.
| Test | What It Checks | Why a Doctor Orders It |
|---|---|---|
| Lipid PanelResults in 1 to 2 daysFasting may be needed | Cholesterol and triglyceride levels. | Heart disease in the family, high blood pressure, diabetes, or a past heart attack. Also a routine adult checkup. |
| Comprehensive Metabolic Panel (CMP)Results in 1 to 2 daysFasting may be needed | Blood sugar, kidney, and liver function. | Diabetes, kidney or liver issues, high blood pressure, before surgery, or when monitoring long-term medications. |
| Hemoglobin A1cResults in 1 to 2 daysNo fasting needed | Average blood sugar over the past 2 to 3 months. | Diabetes, prediabetes, or symptoms like extreme thirst, frequent urination, or sudden weight loss. Also routine screening at age 35. |
| Complete Blood Count (CBC)Results in 1 to 2 daysNo fasting needed | Red and white blood cell counts, platelets. | Anemia, an infection, unexplained bruising or bleeding, cancer screening, or pregnancy monitoring. |
| Vitamin DResults in 2 to 3 daysNo fasting needed | Vitamin D level in the blood. | Osteoporosis, bone pain, muscle weakness, or constant fatigue. Also for trouble absorbing nutrients, kidney problems, or limited sun exposure. |
Whether you need to fast depends on the lab and which tests are ordered. Confirm what you need when you book.
Financial Assistance for Blood Testing in San Diego
Blood test costs vary depending on your insurance, the lab, and what’s being tested. If you’re worried about a bill, the labs’ own financial hardship programs, plus state and federal options, can lower or eliminate it.
You can also ask the lab about self-pay pricing or a payment plan before testing.
California
- Medi-Cal. California’s Medicaid program covers preventive and diagnostic lab testing for eligible residents.
National
- Labcorp Patient Financial Hardship Program. Income-based discounts on Labcorp bills based on federal poverty guidelines. Call 800-845-6167 after receiving a bill to request an application.
- Quest Diagnostics Financial Assistance Program. Discounts up to 100% for patients at or below 200% of the federal poverty level. Partial discounts available up to 600% FPL with extenuating circumstances. Apply through patientbill.questdiagnostics.com or call 1-844-698-1022.
- Ryan White HIV/AIDS Program. Federally funded free HIV testing, treatment, and care for low-income people regardless of insurance status. Find local providers through the HRSA locator.