Tuberculosis Control Program

Contact Information
Los Angeles County
Department of Public Health
Tuberculosis Control Program
2615 S. Grand Avenue, Room 507
Los Angeles, CA 90007
Phone: (213) 745-0800
Fax: (213) 749-0926


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Tuberculosis Control Program - School Employee or School Volunteer Requirements

School Employee or School Volunteer Requirements

The following section provides information about testing requirements for school employees and volunteers.

What type of TB screening must employees/ volunteers working at schools undergo? The Mantoux PPD Test is the only acceptable method of TB screening for school employees.
Which volunteers need a TB test? Volunteers who have repeated contact with students in the classroom setting must meet the same criteria for TB testing as staff. Exception: Volunteers who come in to assist with one time activities, such as: clerical functions, supervising field trips, or dances do not have sufficient contact with students or staff to constitute a risk.
How often does a TB test have to be repeated? If you have a negative skin test, you need a repeat test at least every four years. If you have a documented positive skin test, you must have an initial chest radiograph (X-ray). After that, you still need to be screened every four years. You must present a certificate from a health provider stating that you are free from communicable TB or have your chest radiograph repeated.
Why aren't people who work with children (teachers, school aides, etc.) required to have TB screening more often? State regulations require TB screening at a minimum every 4 years. School staff may request TB testing more frequently from their health care provider, but school districts are not required to provide it more than every 4 years.
I had a positive TB skin test many years ago, but can't find my records. Why can't I just get a chest radiograph (X-ray)? If you cannot document in writing a previous positive skin test (from your own records or your physician), you will have to get another skin test. Only the skin test can demonstrate latent TB infection.

If you are a school employee or volunteer with no health insurance, contact your local DHS health clinic for a TB skin test.

For questions call the TB Control Program at (213) 745-0800.

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