WAC 388-78A-2481. Tuberculosis—Testing method—Required

The assisted living facility must ensure that all tuberculosis testing is done through either: (1) Intradermal (Mantoux) administration with test results read: (a) Within forty-eight to seventy-two hours of the test; and (b) By a trained professional; or (2) A blood test for tuberculosis called interferon-gamma release assay (IGRA).