Authority: IC 16-19-3-4; IC 16-41-2-1

Affected: IC 16-41-2

Sec. 45. "Interferon gamma release assay" or "IGRA" means a test that detects the presence of Mycobacterium tuberculosis infection by measuring the immune response to the tuberculosis organism in whole blood.

(Indiana Department of Health; 410 IAC 1-2.5-45; filed Nov 25, 2015, 2:54 p.m.: 20151223-IR-410150039FRA; readopted filed Nov 12, 2021, 8:41 a.m.: 20211208-IR-410210385RFA; readopted filed Nov 14, 2025, 11:18 a.m.: 20251210-IR-410240588RFA)