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The Use Case scenarios focus on querying against an extensible common information model and returning a final result set. For the purpose of the ONC pilot, the initiative will prioritize and select a few User Stories, based on national priorities and existing research and public health network infrastructure. Additional User Stories, developed by the community, will be analyzed and evaluated to ensure that the architecture framework, standards and services for distributed queries are robust and extensible.

The pilot/reference implementation will be built based on the scenarios described in the Query Health Use Cases. As described in the figure below the reference implementation will involve multiple distributed EHRs being queried, with the return of aggregated results to the requestor.

Image ModifiedQuery_Health_Concept_Simple_Revised5.jpg

The pilot/reference implementation may also include establishing requirements for an Intermediary to review the query, review the results, edit/blur the results, and to pre-aggregate across organizations depending on the requester and query. The pilot/reference Implementation sites will be selected based on national priorities and existing research and health information management infrastructure.