QuantiFERON®-TB Gold Plus, 1 Tube
Test Code
Clinical Significance
QuantiFERON®-TB Gold Plus, 1 Tube - This test is a blood-based interferon-gamma release assay (IGRA) used as an aid in the diagnosis of Mycobacterium tuberculosis infection. It is an immune response-based, indirect test for M tuberculosis infection (including disease) and is intended for use in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations. Additional testing is needed to determine if a person who has tested positive has latent tuberculosis (TB) infection or TB disease.
This in vitro diagnostic test uses a peptide cocktail simulating ESAT-6, CFP-10, and ...
Test Resources
Test Details
Methodology
Reference Range(s)
Alternative Name(s)
Preferred Specimen(s)
6 mL whole blood collected in a no gel lithium heparin (green-top) tube
Minimum Volume
6 mL
Collection Instructions
Collect a minimum of 6 mL of blood by venipuncture into a lithium heparin (green-top) tube. Gently mix by inverting the tube several times to dissolve the heparin.
Refrigerate at 2-8° C.
Note: The Centers for Disease Control and Prevention (CDC) has provided guidance on clinical considerations for tuberculosis (TB) testing such as QuantiFERON®-TB Gold Plus in conjunction with COVID-19 mRNA vaccines. Please refer to the QuantiFERON®-TB Gold Plus FAQ link (https://education.questdiagnostics.com/faq/FAQ204) for more detailed information on the latest CDC guidelines regarding TB testing and COVID-19 vaccines.
Transport Container
Lithium heparin (green-top) tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: Unacceptable
- Refrigerate: 48 hours
- Frozen: Unacceptable
Reject Criteria
Quantiferon®-TB Gold Plus, 4 tube collection kit • Incubated specimens • Gel barrier lithium heparin (green-top) tubes
Setup Schedule
Refrigerate at 2-8° C.
Note: The Centers for Disease Control and Prevention (CDC) has provided guidance on clinical considerations for tuberculosis (TB) testing such as QuantiFERON®-TB Gold Plus in conjunction with COVID-19 mRNA vaccines. Please refer to the QuantiFERON®-TB Gold Plus FAQ link (https://education.questdiagnostics.com/faq/FAQ204) for more detailed information on the latest CDC guidelines regarding TB testing and COVID-19 vaccines.
Refrigerate: 48 hours
Frozen: Unacceptable