Frequently Asked Questions
The QuantiFERON-TB Gold Plus (QFT-Plus) is a blood test that detects infection with Mycobacterium tuberculosis, the bacteria responsible for tuberculosis (TB). It measures the immune system
Unlike the tuberculin skin test (TST), which requires two visits, the QuantiFERON test needs only one. It's not affected by prior BCG vaccination and provides objective, lab-based results, reducing the chances of false positives and reader bias.
Individuals at increased risk for TB infection, including:
A healthcare professional will draw a small blood sample from your arm. The sample is then sent to a laboratory for analysis. No special preparation is needed before the test.
Results are typically available within 3–5 business days. e7 Health will notify you once your results are ready and provide any necessary follow-up recommendations.
The QuantiFERON test can detect TB infection but cannot differentiate between latent and active TB. If your result is positive, additional evaluations, such as a chest X-ray or sputum test, may be required to determine the type of infection.
Yes, the QuantiFERON test is safe for pregnant individuals. It's a blood test and does not pose any known risks to the mother or the fetus.
No, the QuantiFERON test is not influenced by prior Bacille Calmette-Guérin (BCG) vaccination, making it a preferred method for individuals who have received this vaccine.
You can schedule an appointment online through our booking portal or call us at (702) 800-2723. We offer convenient appointment times to fit your schedule.
Yes, upon completion of your test, we provide all necessary documentation to meet employment, school, or other organizational requirements.
