FHIR Extensions Pack
5.1.0-cibuild - Working Copy International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This is not an authorized publication; it is the continuous build for version 5.1.0-cibuild. 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: Null flavor

Official URL: http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor Version: 5.1.0-cibuild
Standards status: Trial-use Maturity Level: 3 Computable Name: NullFlavor

If the value is not a proper value, indicates the reason.

Context of Use

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

  • Element ID Element

Usage info

Usage:

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

Changes since version 1.0.0:

  • No changes

    • 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 code: If the value is not a proper value, indicates the reason.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1ExtensionNI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS
    ... extension 0..0
    ... url 1..1uri"http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor"
    ... value[x] 1..1codeValue of extension
    Binding: NullFlavor (required)

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1ExtensionNI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS
    ... id 0..1idUnique id for inter-element referencing
    ... extension 0..0
    ... url 1..1uri"http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type code: If the value is not a proper value, indicates the reason.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1ExtensionNI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS
    ... extension 0..0
    ... url 1..1uri"http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor"
    ... value[x] 1..1codeValue of extension
    Binding: NullFlavor (required)

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1ExtensionNI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS
    ... id 0..1idUnique id for inter-element referencing
    ... extension 0..0
    ... url 1..1uri"http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Terminology Bindings

    PathConformanceValueSet
    Extension.value[x]requiredNullFlavor

    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)