INTERFERON GAMMA (QUANTIFERON TB), PLASMA

Modification  Reference Values and  Delivery term 

Test code: 3147

PREVIOUS   Reference Values and  Delivery term

CURRENT  Reference Values and  Delivery term

NEGATIVE CONTROL:         Less than 8 UI/mL Ag TB-NC:              Less than 0.35 UI/mL POSITIVE-NT CONTROL: Greater than 0.5 UI/mL   The Quantiferon TB Gold In-Tube test is an indirectect screening analysis for infection by Mycobacterium tuberculosis with uses specific peptides from the M.tuberculosis complex (Ag TB). The specificity of the test is excellent (99%) and its sensibility is greather than that of TST (84%). (Diel et coll, chest, 2010). However, a positive Quantiferon test result cannot distinguish between a latent or active infection. This test cannot date the infection. Delivery term: 30 days

Less than 0.35 UI/mL    The Quantiferon TB Gold In-Tube test is an indirectect screening analysis for infection by Mycobacterium tuberculosis with uses specific peptides from the M.tuberculosis complex (Ag TB). The specificity of the test is excellent (99%) and its sensibility is greather than that of TST (84%). (Diel et coll, chest, 2010). However, a positive Quantiferon test result cannot distinguish between a latent or active infection. This test cannot date the infection. The extraction must be Monday through Wednesday. Delivery term: 9 days

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