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.
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 Blood Collection Options Brochure 
QFT-Plus Package Inserts 
