TB Skin Tests
What is a TB Skin Test?
The TB skin test is also called the Mantoux tuberculin skin test (TST). The Mantoux tuberculin skin test (TST) is one of the methods for determining whether a person is infected with Mycobacterium tuberculosis. Reliable administration and reading of the TST requires standardization of procedures, training, supervision, and practice.
- A TB skin test requires two visits with a health care provider.
- On the first visit the test is placed; on the second visit the health care provider reads the test.
- The TB skin test is performed by injecting a small amount of fluid (called tuberculin) into the skin on the lower part of the arm.
- A person given the tuberculin skin test must return within 48 to 72 hours to have a public health nurse look for a reaction on the arm.
- The result depends on the size of the raised, hard area or swelling.
How do I get a TB Skin Test at the Lafayette County Health Department?
A nurse is available to do TB Skin Tests by appointment only. Please call us at (608) 776-4895 to schedule an appointment. The cost is $30 and we accept cash or check. Payment is required at the time of the skin test.
When is the TB Skin Test Read?
The skin test should be read between 48 and 72 hours after administration. A patient who does not return within 72 hours will need to be rescheduled for another skin test.
TB Skin Test Resources & Information:
Learn more about TB skin test through the links below.
Tuberculosis (TB) is a disease caused by germs that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of the body, such as the brain, the kidneys, or the spine. This fact sheet provides basic information on the transmission, symptoms, testing, and treatment of TB.
