Study to Determine the Accuracy of Prothrombin Time of Warfarinised Blood

Mobius PT-INR Accuracy Clinical Study

The purpose of this study is to measure prothrombin time (PT) expressed in International Normalised Ratio (INR) units in persons receiving coumadin (warfarin) treatment on an experimental device and a commercially available device. This study will involve taking a finger-puncture and testing onto a strip and meter system for the experimental and commercially available devices.

Inclusion Criteria:

• Are currently taking coumadin (warfarin)
• Are aged 18 years or older
• Able and willing to provide informed consent
• Can understand (read and write) English
• Required to provide a capillary sample as part of their routine medical check

Exclusion Criteria:

• Previously participated in this study