Test ID: QG151
CPT code: 86480
LOINC:
Specimen Type: TB Gold Plus 4 Tube Set
Frequency: Expected TAT: 4-6 days
Instructions: Draw to line in each tube. Shake vigorously. Store at room temperature
and deliver to micro within 16 hours.
Text: The Quantiferon-TB Gold Plus (QFT-Plus) is a valuable assay for the determination of active or latent infections with Mycobacterium tuberculosis. The QFT-Plus assay has two TB antigen tubes with both tubescontaining peptide antigens from ESAT-6 and CFP-10. The first tube contains peptides that are designed to elicit cellular responses from CD4+ T Helper lymphocytes; the second tube contains an additional set of peptides targeted to induce cellular responses from CD8+ cytotoxic T lymphocytes.
COMPONENTS; Q0450 TB TB2-NIL LOINC 88517-8; Z0451 TB TB1-NIL LOINC 64084-7; Q0452 TB MITOGEN-NIL LOINC 71774-4; Q0453 TB NIL VALUE LOINC 71776-9; Q0454 TB GOLD INTERP LOINC 71773-6
Methodology: DiaSorin Liaison