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We’re Here to Help. Call 628 206 8000 .

Outpatient Laboratory Testing & Diagnostics

Our laboratory provides phlebotomy and general laboratory services on an outpatient basis.

Get Care

We’re Here to Help

For general information and routine clinical issues:
Call 628 206 8590

No appointment necessary. Patients are seen on a walk-in basis.

Our Location

Outpatient Laboratory
Zuckerberg San Francisco General
1001 Potrero Avenue (between 22nd and 23rd Streets)
San Francisco, CA 94110
Building 5, Outpatient Lobby

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  • Hours
    7am – 5pm
  • Contact
  • Public Transport

    Our Main Campus is served by Muni routes 9, 10, 33, 49, and 90.

    View Muni Schedule

    Plan Your Trip

    The closest BART stop is the 24th Street Mission station.

    View BART Schedule

    Plan Your Trip

    Free Shuttles
    UCSF Shuttle
    Free shuttle to UCSF locations in the city, including our Main Campus.

    View Shuttle Map & Schedule

    ZSFG Shuttle
    Free shuttle to the 24th Street Mission BART station during peak commute times.

    View Shuttle Map & Schedule



  • Parking

    On Campus
    Enter hospital campus driveway and turn right into the surface lot.

    23rd Street Parking Garage
    Enter from 24th Street (during the day) and 23rd Street (in the evening).