Imperial Collage Healthcare

QuantiFERON®-TB Gold

Test Background
The QuantiFERON-TB Gold test is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection (LTBI) and tuberculosis (TB) disease.

Clinical Indications
Suspected latent TB.

Sample Required
2 x 6 mL Lithium heparin (green top)

Samples must be received in the laboratory (Charing Cross) by 16:30 Monday to Friday for the test to be performed.

Samples must be < 24 hours old on receipt in the lab

Sample Volume
See above

Turnaround Time
7 days

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