Query+Health+Technical+Principles

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This wiki page will be used to capture the technical principles that will be used as guidance by the Query Health Technical Working Group to recommend standards and specifications.


 * Send Questions to the data sources rather than data to the questions.
 * Instead of moving //__raw__// data from the source organization to the requestor who is interested in the data, the requestor will formulate the query and send the query to the source organization where results are computed and the summary results are returned instead of raw data.
 * Data in control of the source organization (No central repository)
 * The data used by Query Health will be owned and controlled by the data owners themselves and will not be exported into a central repository to facilitate queries.
 * Protecting PHI data during Query Health Interactions
 * The Query Health interactions should be secure such that there are no PHI disclosures.
 * Use of common internet technologies
 * Query Health is envisioned to be used widely across the country for various use cases and will need to be scaled a national level. In order to accomplish this, common proven internet technologies are preferred to facilitate rapid adoption and implementation.
 * Standards and specifications developed should support the various organizational policies that are practiced by the organizations holding the data and the organizations submitting queries and retrieving results.
 * Query Health will use the data that is collected as part of the existing clinical workflows as the data source and not require new clinical workflows.
 * This does not preclude modification of clinical workflows for efficiency of data collection or for other organizational needs
 * Standards and specifications should facilitate existence of intermediaries such as HIE’s, HISP’s, data aggregators and other entities that provide services to organizations
 * Standards and specifications should facilitate easy addition of data elements to the information models
 * Standards and specifications should facilitate new queries that will be required as part of new use cases
 * Standards and specifications developed are vendor and product agnostic

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