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LIAISON® QuantiFERON® TB-Gold Plus

Empowering worldwide tuberculosis detection.

An easy diagnostic solution to prevent the spread of tuberculosis, save lives and reduce suffering by cost-effectively testing and treating latent TB.

Indications for use


Suspected acute TB or latent TB infection in at-risk individuals

Target patient

Adults, children, travelers and high-risk individuals

Use area

General health monitoring,

QuantiFERON TB-Gold Plus


Unprecedented clinical value

LIAISON® QuantiFERON®-TB Gold Plus helps healthcare professionals exceed the limitations of traditional testing methods in a single procedure. By delivering an objective, accurate and clear result in less than an hour, LIAISON® QuantiFERON TB-Gold Plus ensures improved patient management for populations at risk. And because the clinical value of QuantiFERON® by QIAGEN is recognized and recommended by international healthcare organizations including WHO, CDC (USA) and ECDC, it has quickly become the gold standard in latent TB testing. 

How it works

LIAISON® QuantiFERON TB-Gold Plus is an exclusive immunoassay diagnostic solution based on CD8+ T-cell technology for the detection of interferon-y (IFN-y) in human lithium heparin plasma.

4 tubes +
1 automated process =
100% clear result


Efficient samples collection

The solution allows two flexible blood collection options directly into the four QFT®-Plus Blood Collection Tubes or by using a primary commercial Lithium/Sodium heparin tube.


Flexible CD8+ T-cell stimulation & samples shipment

Depending on the blood collection option used, you have the option of performing the incubation either before or after sending the tubes to the laboratory.


Standard centrifugation and automatic process

Standardized results optimal harmonization between urgent, specialty and routine tests.

QuantiFERON TB-Gold Plus

Why use LIAISON® QuantiFERON
TB-Gold Plus

Easier, more affordable, and more accurate than traditional tuberculin skin tests, the fully automated process helps speed prevention and reduces the spread of TB infections.

Pioneering, easy-to-use diagnostics

The intuitive, end-to-end process ensures improved turnaround time, optimal cost management and straightforward integration in any laboratory workflow.

Best-in-class TB testing and screening

Get clear, accurate TB-detection results in a single patient visit. 

Better precision, productivity and workflow

Achieve more with LIAISON® QuantiFERON®-TB Gold Plus by avoiding test repeats, delivering faster time-to-results without the need for additional staff.

Empower any lab

Dynamic throughput with fully automated processing improves response time without increasing operational costs.

To be used on

Designed for both specialty and routine tests, LIAISON® XL and LIAISON® XS immunoassay analyzers help your laboratory handle multiple patients and tests simultaneously. LIAISON® systems are trustworthy, intuitive and deliver automated continuous operation with minimal user intervention. The result is reduced turnaround time, optimal cost management and unmatched growth potential.

Fully Automated LIAISON® XL System - Diasorin


Designed for large laboratories. Fuse the benefits of high throughput and high sensitivity within a powerful and fully automated system that can seamlessly connect to facilitate Total Laboratory Automation. 

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Fully Automated LIAISON® XS System - Diasorin


A fully automated, easy-to-use benchtop analyzer. Maximize productivity with optimal cost management, no daily maintenance, straightforward integration, and the same capabilities as Diasorin’s high-throughput analyzers. 

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More details about our diagnostic solutions

Login to Dialog for additional resources

Login to our repository for instructions for use and user manuals, assay information, protocols and much more.


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If you need any information about our products, contact our specialists. 

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