ARM 37.114.1001. TUBERCULOSIS DIAGNOSIS

(1) A case of active tuberculosis disease exists if the case meets the laboratory or clinical criteria in (2) or (3). (2) Laboratory criteria for active tuberculosis diagnosis: (a) isolation of M. tuberculosis complex from a clinical specimen; (b) demonstration of M. tuberculosis complex from a clinical specimen by nucleic acid amplification test; or (c) demonstration of acid-fast bacilli in a clinical specimen when a culture has not been or cannot be obtained or is falsely negative or contaminated. (3) Clinical criteria for active tuberculosis diagnosis: (a) usually a positive tuberculin skin test result or positive interferon gamma release assay for M. tuberculosis; (b) other signs and symptoms compatible with tuberculosis are for example: abnormal chest radiograph, abnormal chest computerized tomography scan or other chest imaging study, or clinical evidence of current disease; (c) treatment with two or more antituberculosis medications; and (d) a completed diagnostic evaluation.