QFT-Plus is the modern solution for TB infection detection QuantiFERON-TB Gold Plus (QFT-Plus) is the next generation of the industry-leading IGRA for TB detection. QFT-Plus is now optimized with innovative tuberculosis-specific antigens that elicit both CD8 and CD4 T cell responses - enabling a more comprehensive assessment of cell-mediated immune response to TB infections.
Why is QFT-Plus the best?
1. Greater clinical specificity at 97.27% (Compared to the other IGRA).
2. Results in 48 Hours.
3. Simple 1 green top tube blood draw.
4. CDC recommends Interferon-Gama Assay (IGRA) over tuberculin skin test (TST).
5. Test performed with a single patient visit.
6. 4th generation testing avoiding false positives.
Difference Between TB-SPOT and QFTB Gold Plus: