QuantiFERON – TB Gold
| Category | Immunology |
|---|---|
| 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 & container 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 |
| Notes | Note: In addition to the current testing platform (DS2), the lab has introduced a new platform (DiaSorin, Liaison) for testing Quantiferon samples which is not currently accredited. |