LOINC display name : Gamma interferon background IA Qn (Bld);
LOINC long common name : Gamma interferon background [Units/volume] in Blood by Immunoassay;
LOINC short name : Gamma interferon background Bld IA-aCnc;
LOINC description : This represents the baseline value for interferon-gamma release assays (IGRA). Elevated
levels of IFN-gamma in the background (Nil) sample may occur with the presence of
heterophile antibodies, or to intrinsic IFN-gamma secretion.;