NCIt related terms : Interferon-Gamma Release Assay;
Alternative definition : NICHD: A blood test that exposes a person's lymphocytes ex vivo to two or three Mycobacterium
tuberculosis-specific antigens; a positive result suggests that the person has tuberculosis
infection.; CDISC: A blood test that exposes a person's T-lymphocytes ex vivo to specific microbial
antigen(s) to stimulate the production and release of interferon gamma, which provides
an indication that the person has been exposed to a specific microbe.;