
* It is very unlikely that a side effect to the test will occur. If such an event does happen, the most common reaction is pain or redness at the test site.
To determine if a skin test should be administered, conduct a risk assessment for each patient that takes into consideration recent exposure to TB disease, clinical conditions that increase the risk for TB disease if infected, and the program’s capacity to deliver treatment for latent TB infection. • Wheal should be 6 to 10 mm in diameter.
The TST is performed by injecting 0.1 ml of tuberculin purified protein derivative (PPD) into the inner surface of the forearm. The injection should be made with a tuberculin syringe, with the needle bevel facing upward. The TST is an intradermal injection.
Persons at high risk of on-going exposure to tuberculosis should be re-tested at regular intervals. Persons who have been in contact with someone who has active tuberculosis should be tested as soon as possible. Anyone who might be or is infected with the HIV virus should be tested also. How is It Done?
• Tuberculin Skin Testing (TST) also known as Mantoux TB skin test, is a TB diagnostic test to determine if individual is infected with the bacteria causes TB. • Positive TST: • 10 millimeter (mm) and above • Close contacts: 5 mm and above NOTE: A positive TST doesn’t means the person has active TB disease.
The TST is performed by injecting 0.1 ml of tuberculin purified protein derivative (PPD) into the inner surface of the forearm. The injection should be made with a tuberculin syringe, with the needle bevel facing upward. The TST is an intradermal injection.
Division of Tuberculosis Elimination (Page 1 of 2) TB Elimination Targeted Tuberculosis Testing and Interpreting Tuberculin Skin Test Results Introduction The Centers for Disease Control and Prevention (CDC) and the U.S. Preventive Services Task Force (USPSTF) recommend testing populations that are at increased risk for tuberculosis (TB) infection.
They are unique in that interview and physical examination data are obtained from national samples of the U.S. population. The examination component is conducted in mobile …
The Tuberculosis Skin Test is a way of identifying TB infection. You cannot get TB from the skin test. RISKS & POSSIBLE SIDE EFFECTS : If you have been exposed to TB in the past, swelling and redness may develop at the site of the test.
The tuberculin skin test (TST) is given to identify individuals with latent tuberculosis infection (LTBI) who are at risk of developing tuberculosis disease. A TST is not used to diagnose tuberculosis disease. Below is a step-by-step guide to performing a TST, with detailed instructions for health care professionals, including new learners.