FHIR Extensions Pack
5.2.0-ballot - 5.2.0 Ballot - September 2024) International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.2.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

Extension: Default Value

Official URL: http://hl7.org/fhir/StructureDefinition/cqf-defaultValue Version: 5.2.0-ballot
Standards status: Trial-use Maturity Level: 3 Responsible: HL7 International / Clinical Decision Support Computable Name: DefaultValue
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1660

Provides a default value for a parameter definition.

Context of Use

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

  • Element ID ParameterDefinition

Usage info

Usage:

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

Changes since version 1.0.0:

  • New Content

    • 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, boolean, integer, decimal, date, dateTime, Coding, CodeableConcept, Period, Range, Quantity, Ratio: Provides a default value for a parameter definition.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-defaultValue"
    ... value[x] 0..1 Value of extension
    .... valueString string
    .... valueBoolean boolean
    .... valueInteger integer
    .... valueDecimal decimal
    .... valueDate date
    .... valueDateTime dateTime
    .... valueCoding Coding
    .... valueCodeableConcept CodeableConcept
    .... valuePeriod Period
    .... valueRange Range
    .... valueQuantity Quantity
    .... valueRatio Ratio

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Extension
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-defaultValue"
    .... valueString string
    .... valueBoolean boolean
    .... valueInteger integer
    .... valueDecimal decimal
    .... valueDate date
    .... valueDateTime dateTime
    .... valueCoding Coding
    .... valueCodeableConcept CodeableConcept
    .... valuePeriod Period
    .... valueRange Range
    .... valueQuantity Quantity
    .... valueRatio Ratio

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type string, boolean, integer, decimal, date, dateTime, Coding, CodeableConcept, Period, Range, Quantity, Ratio: Provides a default value for a parameter definition.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-defaultValue"
    ... value[x] 0..1 Value of extension
    .... valueString string
    .... valueBoolean boolean
    .... valueInteger integer
    .... valueDecimal decimal
    .... valueDate date
    .... valueDateTime dateTime
    .... valueCoding Coding
    .... valueCodeableConcept CodeableConcept
    .... valuePeriod Period
    .... valueRange Range
    .... valueQuantity Quantity
    .... valueRatio Ratio

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Extension
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-defaultValue"
    .... valueString string
    .... valueBoolean boolean
    .... valueInteger integer
    .... valueDecimal decimal
    .... valueDate date
    .... valueDateTime dateTime
    .... valueCoding Coding
    .... valueCodeableConcept CodeableConcept
    .... valuePeriod Period
    .... valueRange Range
    .... valueQuantity Quantity
    .... valueRatio Ratio

    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)