Healthcare Information Exchange
Up to this point, I have discussed access control abstractly, mostly as a discussion about what happens inside an EHR. The implementation of access control within an EHR is an essential task in healthcare because it involves a patient. I will now cover how to extend access control to an HIE.31 An HIE is simply an extension of the healthcare information across organizational boundaries usually within a region, community, or beyond. The patient or employee may have healthcare coverage in many geographic areas.
An important aspect of HIEs is that they are often made up of healthcare provider organizations that are otherwise competing for “customers” (patients) and “employees” (providers). This is not always the case, ...
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