This conference provides a unique international forum for communication and discussion of current issues in quality and standardization of coagulation diagnostic laboratory testing. Continued conference features include abstract presentations (oral and poster) and Breakfast-with-the-Experts sessions. There will also be presentations by expert faculty on a wide range of topics, along with panel discussions and question and answer sessions. New for this 4th coagulation testing quality conference is the incorporation of a coagulation wet workshop as an optional educational feature.