Take control of your TB testing workflow

QFT-Plus offers a streamlined and scalable laboratory workflow

QFT-Plus is the fastest and easiest IGRA available, with no tedious lymphocyte isolation, subjective cell counting, diluting or culturing. Results can be available using QFT-Plus analysis software within 24 hours, with no second patient visit required.

QuantiFERON-TB Gold Plus (QFT-Plus) workflow

Figure 1. Streamlined QFT-Plus workflow, from patient sample to diagnostic insight.

QFT-Plus offers industry leading flexible blood collection options

QFT-Plus employs standard phlebotomy procedures using whole blood to make sample collection easy and fast. Sample incubation can occur on-site or at the testing laboratory, providing your practice with complete flexibility and convenience.

Option 1: Direct Draw

Collect 1 ml of whole blood directly into each of four QFT-Plus blood collection tube and hold at room temperature for up to 16 hours prior to incubation.

Option 2: Single Lithium Heparin Tube

Draw at least 5 ml of blood into a single blood collection tube containing lithium heparin as the anticoagulant. Blood collected into a single lithium heparin tube may be stored at room temperature or refrigerated for up to 53 hours prior to transfer to QFT-Plus tubes and incubation.

QFT-Plus Collection Options

QFT-Plus Collection Options

Resources for laboratories – QFT-Plus workflow and results

Resources for laboratories – QFT-Plus software

Product claims may differ from country to country based on regulations and approvals. Contact your country representative for further details.

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