County of Marin Health and Human Services

Tuberculosis (TB) Testing

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