Verified booking path
Quest Diagnostics – 4th Ave
Choose a sample-collection appointment date/time for this exact patient service center. Location: 4060 4th Ave Ste 125, San Diego, CA, 92103.
Verified 24/7 Appointment Request
What you can book
Choose a sample-collection appointment date/time for this exact patient service center.
Booking status
Pending request through Quest Diagnostics. Bookable 24/7 does not mean the business or facility is physically open 24 hours.
Verification record
Verified September 5, 2026
The official Quest page identifies this exact patient service center at 4060 4th Ave Ste 125. The official location page exposes 'Schedule an appointment' without requiring staff to initiate the process. Account required: No. Payment/deposit: No. Location page also states self-purchased lab tests may be bought online anytime.
Important: Appointment inventory and test eligibility vary; walk-ins may also be offered.