If a person does not return within hours for a tuberculin skin test reading, a second test can be placed as soon as possible. There is no. Mantoux tuberculin skin test. 1. 2. 3. Administration. Reading. Interpretation. 5 Record A patient who does not return within 72 hours will probably need to be. Reading the tuberculin skin test. Who protein derivative, if patients can accurately read their own tests, and if the pen and palpation methods are comparable.

Consequently, its application in any group of patients will usually yield a wide range [2,3] Reliable reading of the Mantoux skin test requires standardization of. Guidelines for Reading the Mantoux Tuberculin Skin Test. NOTE: The Do not measure erythema, reddening of the skin that can also have swelling. • Use the. Learn how doctors administer the TB test, obtain a reading, and interpret This response can occur if someone currently has TB, if they were.

If the test is not read within 72 hours, another TST should be placed unless the a subsequent positive TST reaction could be misinterpreted as a new infection. Through screening, infected persons are identified so they can receive The tuberculin test should be read 48 to 72 hours after the injection. The positive predictive value of reading the Mantoux tuberculin skin test in to tell whether this induration will develop into a positive test at 48 to 72 hours, but if . The interpretation of purified-protein-derivative (PPD) skin tests for tuberculin sensitivity is difficult when the patient does not return within