QI-Core Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 8.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-qi-core/ and changes regularly. See the Directory of published versions

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Extension: QI-Core Key Element Extension

Official URL: http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement				Version: 8.0.0-ballot
Standards status: Trial-use			Maturity Level: 4	Computable Name: QICORE_KeyElement
Copyright/Legal: Used by permission of HL7 International, all rights reserved Creative Commons License

This extension is only used in the QI-Core Implementation Guide's Profile StructureDefinition elements. It flags elements that the quality improvement community has identified as significant to express the full intent of measures or decision support artifacts. See the MustSupport Flag section in this IG for more information.

Context of Use

This extension may be used on the following element(s)

• Element ID: ElementDefinition
• Element ID: ElementDefinition.type.targetProfile
• Element ID: ElementDefinition.type

Usage info

Usages:

• Examples for this Extension: QICoreAdverseEvent, QICoreAllergyIntolerance, QICoreBodyStructure, QICoreCarePlan... Show 46 more, QICoreCareTeam, QICoreClaim, QICoreClaimResponse, QICoreCommunication, QICoreCommunicationDone, QICoreCommunicationNotDone, QICoreCommunicationRequest, QICoreConditionEncounterDiagnosis, QICoreConditionProblemsHealthConcerns, QICoreDevice, QICoreDeviceProhibited, QICoreDeviceRequest, QICoreDeviceRequested, QICoreDeviceUseStatement, QICoreDiagnosticReportLab, QICoreDiagnosticReportNote, QICoreEncounter, QICoreFamilyMemberHistory, QICoreFlag, QICoreGoal, QICoreImagingStudy, QICoreImmunization, QICoreImmunizationDone, QICoreImmunizationEvaluation, QICoreImmunizationNotDone, QICoreImmunizationRecommendation, QICoreLocation, QICoreMedicationAdministration, QICoreMedicationAdministrationDone, QICoreMedicationAdministrationNotDone, QICoreMedicationDispense, QICoreMedicationDispenseDeclined, QICoreMedicationDispenseDone, QICoreMedicationProhibited, QICoreMedicationRequest, QICoreMedicationRequested, QICoreMedicationStatement, QICoreNonPatientObservation, QICoreNutritionOrder, QICoreObservationClinicalResult, QICoreLaboratoryResultObservation, QICoreObservationScreeningAssessment, QICoreOrganization, QICorePatient, QICorePractitioner and QICorePractitionerRole

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()