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ID:718 IFN-gamma test -Quantiferon
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DescriptionQuantiFERON TB Gold Plus tubes must be used for this investigation. The four tube system consists of the Nil antigen (grey cap), TB1 (green cap), TB2 (yellow cap) and Mitogen (purple cap) This test is only available on Medical Microbiology Request For enquires within hours contact Deborah Gascoyne-Binzi on 0113 3923929
IndicationThe QuantiFERON-TB Gold Plus (QFT-Plus) assay is an in vitro diagnostic test using a peptide cocktail simulating ESAT-6 and CFP-10 proteins to stimulate cells in heparinized whole blood. Detection of interferon-? by ELISA is used to identify in vitro responses to those peptide antigens that are associated with Mycobacterium tuberculosis infection. It can be used to diagnose active tuberculosis and latent tuberculosis infection (LTBI).
Additional Info
Concurrent Testsna
Dietary Requirementsna


Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range Notes
Units - Not Defined -

IP Acute TAT6 days
IP Routine TAT6 days
GP Acute TAT6 days
GP Routine TAT6 days
Turnround CommentResults may be available considerably earlier than stated turnaround time.
Originally edited by : D Bennett. Last edited on 18/01/2019 11:29:38. Published By K Roberts on 18/01/2018 11:29:38.