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TB exposure: Quantiferon

This section deals with the clinical condition TB exposure, listing the relevant immunological test, together with a short explanation of its use.

Relevant immunological tests: Quantiferon

This test measures gamma interferon produced by T cells in response to M. tuberculosis peptides.

The test is used to help diagnose latent TB infection and is indicated in individuals with a positive delayed hypersensitivity skin test.

The test may produce indeterminate results in patients with active TB and in immune deficiency states.


(Last updated October 8th 2014)