Tuberculosis – QuantiFERON® Test
QuantiFERON-TB Gold Plus (QFT-Plus) is a whole-blood test or interferon-gamma release assay (IGRA) that can measure a person’s immune reactivity and aid in diagnosing Mycobacterium tuberculosis infection. It offers advantages over the conventional tuberculin skin test (TST) for diagnosing LTBI.
- Positive – suggests that TB infection is likely.
- Negative – suggests that TB infection is unlikely.
- Indeterminate – suggests the need for further investigations or repeat testing.
Tuberculosis
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