Section 410IAC1-2.5-50. "Mantoux tuberculin skin test" or "TST" defined  


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  •    "Mantoux tuberculin skin test" or "TST" means a skin test used to detect tuberculosis infection that is performed by injecting purified protein derivative (PPD) intradermally and measuring the reaction (induration or the palpable hardened area) in forty-eight (48) to seventy-two (72) hours after the injection. It is classified as positive or negative depending on the size of the induration and the patient's risk factors for tuberculosis. (Indiana State Department of Health; 410 IAC 1-2.5-50; filed Nov 25, 2015, 2:54 p.m.: 20151223-IR-410150039FRA)