Test done for mycobacterium tuberculosis by whole blood is :
IGRA is interferon gamma release assay .In this test,we target up with the aificial intake of mycobacterium like ESAT-6,CFP-10,TB-7.7, by adding the sample blood(sensitized ) having T-cells which release interferon gamma and its activity can be measured. It is highly specific and there are no positive results.
BACTEC
IGRA
GeneXpe
Culture
Lab Investigations