LabPad INR is an in vitro diagnostic Point of Care (PoC) device designed to monitor oral anti-vitamin K (VKA) anticoagulant therapy and measure blood clotting time using the Tsmart INR microcuvette. LabPad INR indicates the INR value (International Normalized Ratio), the prothrombin time (PT) and the prothrombin time (QT), and is validated for both professional use as well as patient self-testing.