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 providers – QFT-Plus workflow and results

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

Get in touch with QIAGEN
Follow QIAGEN on: