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Nil Value
.
Nil Value
What's
Nil Value
?
The QuantiFERON Nil Value is a specific measurement used in the QuantiFERON-TB test, a blood test that helps detect latent tuberculosis infection (LTBI). The Nil Value serves as a control, representing the immune system's baseline response without exposure to TB antigens. It is crucial for interpreting the test's results accurately, ensuring that any immune response measured is due to exposure to tuberculosis bacteria and not other factors.
If Your Levels Are High
An elevated QuantiFERON Nil Value, beyond expected control ranges, could indicate an improper test control or an immune system disorder affecting baseline immune response. It is crucial in assessing the test's validity rather than specific health conditions.
Symptoms of High Levels
Symptoms of high levels of QuantiFERON Nil Value are not applicable, as it measures control response.
If Your Levels are Low
Low levels in the QuantiFERON Nil Value control indicate a valid test but do not directly correspond to health conditions. It serves to ensure the immune system's responsiveness is accurately measured.
Symptoms of Low Levels
Symptoms of low levels of QuantiFERON Nil Value are not applicable, given its role as a test control measure.
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Nil Value
Whole Blood
QuantiFERON®-TB Gold Plus, 1 Tube - This test is a blood-based interferon-gamma release assay (IGRA) used as an aid in the diagnosis of Mycobacterium tuberculosis infection. It is an immune response-based, indirect test for M tuberculosis infection (including disease) and is intended for use in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations. Additional testing is needed to determine if a person who has tested positive has latent tuberculosis (TB) infection or TB disease.
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