The purpose of this study was to find out how many health information exchanges (HIEs) are using metrics to gauge their impact and to gather examples of metrics being used by HIEs. We administered a web-based survey to a list of functioning HIEs. "A major concern is the lack of preparedness of established HIEs to measure and document improvements in quality and to show the value of the exchange of health information
TMA says: Health information exchanges (HIE) are designed to help physicians and providers share patient information securely. To promote the electronic exchange of medical information, patients and physicians must be assured that patient data are adequately protected by those who operate the HIE.