FHIR Extensions Pack
5.2.0 - February 2025 International flag

This page is part of the FHIR Core Extensions Registry (v5.2.0: Release 5.2) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions

Extension: ReferenceFilter

Official URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceFilter Version: 5.2.0
Standards status: Deprecated Maturity Level: 3 Computable Name: ReferenceFilter
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1233

Identifies a filter to apply when looking up candidate answers for the question. DEPRECATED: This extension has been replaced by the Structured Data Capture candidateExpression extension.

Context of Use

This extension is deprecated and should no longer be used

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

In addition, the extension can only be used when this FHIRPath expression is true:

ofType(ElementDefinition).type.exists(code='Reference') or where(%resource.is(Questionnaire)).exists(type.first()='reference')

Usage info

Usage:

  • This Extension is not used by any profiles in this Implementation Guide

Changes since version 1.0.0:

  • The resource metadata has changed (status, description)
  • The data elements list has changed
  • One or more text definitions, invariants or bindings have changed

    • Formal Views of Extension Content

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

    This structure is derived from Extension

    Summary

    Simple Extension of type string: Identifies a filter to apply when looking up candidate answers for the question. DEPRECATED: This extension has been replaced by the Structured Data Capture candidateExpression extension.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Filter to apply when looking up references
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceFilter"
    ... value[x] 1..1 string Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Filter to apply when looking up references
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceFilter"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type string: Identifies a filter to apply when looking up candidate answers for the question. DEPRECATED: This extension has been replaced by the Structured Data Capture candidateExpression extension.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Filter to apply when looking up references
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceFilter"
    ... value[x] 1..1 string Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Filter to apply when looking up references
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceFilter"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Constraints

    IdGradePath(s)DetailsRequirements
    ele-1error**ALL** elementsAll FHIR elements must have a @value or children
    : hasValue() or (children().count() > id.count())
    ext-1error**ALL** extensionsMust have either extensions or value[x], not both
    : extension.exists() != value.exists()

    Search Parameters for this Extension

    (none found)