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QuantiFERON-TB Gold Plus

Important Note

Indirect test for Mycobacterium tuberculosis infection, to be used in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations

 

This test is not recommended for use for diagnosis of active tuberculosis (TB) infection. It can be used as an aid to detect latent TB infection.

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Lithium Heparin Whole Blood

Specimen Requirements

Preferred:
Container/Tube: Lithium Heparin Whole Blood
Minimum Volume: 9.0 mL
Collection Instructions: DO NOT collect on Saturday or Sunday.

Specimen Stability

Blood drawn into a lithium-heparin tube (full) and maintained at room temperature 

Must be transferred to QFT-Plus Blood Collection tubes (4 colored tube system) and incubated within 12 hours from the time of collection

Reference Range

Negative

Methodology

Chemiluminescence Immunoassay (CLIA)/Enzyme-Linked Immunosorbent Assay (ELISA)

Day(s) Performed

Monday-Friday

Testing will only be performed on weekend and Holidays upon provider request

Report Available

24-48 hours