For testing glucose in fresh capillary whole blood. Fast 5-second test. Finger, palm, or forearm testing.* For use with: Accu-Chek Aviva, Accu-Chek Aviva Combo. 1 black code key. Mutant variant of quinoprotein glucose dehydrogenase (Mut. Q-GDH, EC 18.104.22.168 from Acinetobacter spec.). *Check with your healthcare professional before testing with blood from sites other than your finger. Do not use alternate site testing with the Accu-Chek Aviva Combo system. Refer to the AST information in the package insert.