PDFWAC 388-97-1400
Tuberculosis—Testing method—Required.
The nursing home 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).