County of Marin Health and Human Services

Tuberculosis (TB) Testing

On September 12, the Marin County Board of Supervisors approved closure of the HHS Dental and Specialty Health Clinics and transferring patient care to Marin Community Clinics at the same 411 4th Street and 3260 Kerner Blvd locations.
More Information on Clinic Integration

The Tuberculosis (TB) [includes TB Testing - PPD Placement] is scheduled to close this winter (date to be announced). If you have additional questions or concerns, please visit or call (415) 473-4163.

TB testing is offered on a drop-in basis and requires two visits: one for test placement and one for test reading two or three days later. The cost for this test is $23 effective March 1, 2017.

Drop-in hours for TB skin testing:

If you get your TB skin test is placed on: You must return for TB test reading on:
Monday 9:00 - 11:30am Wednesday 1:00 - 4:00pm
Wednesday 1:00 - 4:00pm Friday 1:00 - 4:00pm
Friday 1:00 - 4:00pm Monday 9:00 - 11:30am

Clients who have had a positive PPD skin test reading in the past will not be given a PPD skin test. Those clients must obtain a chest x-ray referral during one of the designated drop-in times:

Drop-in times for Chest X-Ray Referrals:
Monday - Friday 9:00 - 11:00am and 2:00 - 4:00pm