Buckner - MO
TB Gold Blood Test - QuantiFERON Tuberculosis Lab Test in Buckner, MO
A tuberculosis blood test, or interferon-gamma release assay, checks whether the immune system has been exposed to the bacterium that causes TB. TB Gold Blood Test - QuantiFERON Tuberculosis Lab Test testing in Buckner, MO: order online, visit a patient service center near you, and review your results in a secure account.
- Typical price
- From $199
- Results
- 1-3 business days
- Preparation
- See preparation notes below
Order this test online
- Buy online in a few minutes - no doctor's visit needed for most tests.
- Sample collection at a patient service center near you.
- Results are typically ready within 1-3 business days.
- Secure, lab-reviewed results delivered to your account.
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About the TB Gold Blood Test - QuantiFERON Tuberculosis Lab Test
A tuberculosis blood test, or interferon-gamma release assay, checks whether the immune system has been exposed to the bacterium that causes TB. It measures the release of interferon-gamma after blood is mixed with specific TB antigens. Clinicians use it to screen people at risk, test close contacts, and check healthcare or travel-related exposure without a skin test.
Who this test may be right for
- People with close contact with someone who had TB.
- Individuals from or traveling to areas where TB is more common.
- Healthcare and other workers with TB exposure risk.
- People with weakened immune systems.
- Those being screened before certain procedures or medications.
What this test measures
- Interferon-gamma response to TB antigens (ESAT-6, CFP-10, TB7.7) A marker of immune sensitization to TB, measured by an interferon-gamma release assay.
Before your visit
- No fasting is required for a TB blood test.
- Take usual medications unless told otherwise.
- Tell the provider about prior TB tests or treatment.
- A standard blood draw is used; the sample must be processed promptly.
- Share any immune conditions or medications that could affect results.
Understanding your results
A positive interferon-gamma result indicates the immune system has likely been exposed to TB and usually prompts further evaluation for active or latent infection. A negative result makes exposure less likely but can be affected by immune status and timing. The test does not distinguish latent from active TB by itself. Discuss the result with a healthcare provider.
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View testQuestions people ask
Where can I get a TB Gold Blood Test - QuantiFERON Tuberculosis Lab Test near Buckner?
Patient service centers near Buckner collect samples for this test. Choose a location when you order and visit at a time that works for you.
How much does a TB Gold Blood Test - QuantiFERON Tuberculosis Lab Test cost in Buckner?
Typical pricing is From $199, and the exact price is confirmed at checkout.
Do I need to prepare for this test?
Follow the lab's instructions.
How long do results take?
Most results are released in 1-3 business days.
What does the interferon-gamma release assay measure?
It measures interferon-gamma released by immune cells after exposure to TB antigens such as ESAT-6 and CFP-10.
Can a TB blood test tell active from latent infection?
No. It indicates exposure; imaging and other tests help distinguish latent from active TB.
LabBookings is an independent directory. We compare test details and pricing information, but we are not a laboratory and we do not perform testing or provide medical advice. Always talk to a licensed healthcare provider about your results and treatment.
Laboratory services are provided by independent, CLIA-certified testing partners. Availability, pricing, and turnaround times can vary by location and are confirmed at checkout.