Serving Montgomery County Maryland and beyond

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.

  1. Positive – suggests that TB infection is likely.
  2. Negative – suggests that TB infection is unlikely.
  3. Indeterminate – suggests the need for further investigations or repeat testing.

 

Tuberculosis

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December 2024
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