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