This page is part of the National Healthcare Safety Network (NHSN) Digital Quality Measure (dQM) Reporting Implementation Guide (v1.0.0-ballot: STU 1 Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. . For a full list of available versions, see the Directory of published versions

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CapabilityStatement: NHSN Data Aggregator CapabilityStatement

Official URL: http://hl7.org/fhir/us/nhsn-dqm/CapabilityStatement/NHSNCapabilityStatementDataAggregator				Version: 1.0.0-ballot
Standards status: Trial-use			Maturity Level: 1	Computable Name: NHSNCapabilityStatementDataAggregator
Other Identifiers: OID:2.25.316204395913842452684237438142819890580.13.1

This statement defines the expected capabilities of a system that aggregates data from multiple Data Source actors before measure evaluation and then plays the role of a Data Source once aggregation is complete. An example would be a state public health agency aggregating data from all facilities in the state before using those data to produce a MeasureReport containing bed capacity data for the entire state. When FHIR enabled, a Data Aggregator acts as a US Core Server when playing the role of a Data Source after aggregation. During aggregation, the Data Aggregator acts similar to the SANER options for aggregation, but implements its own CapabilityStatement due to the incompatibilities between DEQM and SANER.

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