Snapshot 3: Connectathon 32 Base

This is Snapshot #3 for FHIR R5, released to support Connectathon 32. For a full list of available versions, see the Directory of published versions.

Extension: bestpractice

FHIR Infrastructure Work Group Maturity Level: 1Trial UseUse Context: Any
Official URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice Version: 5.0.0-snapshot3
draft as of 2015-02-28 Computable Name: bestpractice
Flags: Non-Modifier OID: TBD

Context of Use: Use on Element ID ElementDefinition.constraint

Definition

Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.

Comment:

Validators may/should offer implementers the choice to enforce invariants labeled as 'best practice' as errors not warnings.

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. bestpractice0..1boolean, CodeableConceptURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice
bestpractice: Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.


Binding: Context of Use ValueSet (extensible)
Use on Element ID ElementDefinition.constraint

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice
bestpractice: Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.


Use on Element ID ElementDefinition.constraint
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice"
... value[x] 1..1Value of extension
Binding: Context of Use ValueSet (extensible)
.... valueBooleanboolean
.... valueCodeableConceptCodeableConcept

doco Documentation for this format

XML Template

<!-- bestpractice -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice" >
  <!-- from Element: extension -->
 <value[x]><!-- I 1..1 boolean|CodeableConcept Value of extension --></value[x]>
</extension>

JSON Template

{ // bestpractice
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice", // R! 
  // value[x]: Value of extension. One of these 2:
    "valueBoolean" : <boolean>, // I R! Value of extension
    "valueCodeableConcept" : { CodeableConcept } // I R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. bestpractice0..1boolean, CodeableConceptURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice
bestpractice: Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.


Binding: Context of Use ValueSet (extensible)
Use on Element ID ElementDefinition.constraint

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice
bestpractice: Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.


Use on Element ID ElementDefinition.constraint
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice"
... value[x] 1..1Value of extension
Binding: Context of Use ValueSet (extensible)
.... valueBooleanboolean
.... valueCodeableConceptCodeableConcept

doco Documentation for this format

XML Template

<!-- bestpractice -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice" >
  <!-- from Element: extension -->
 <value[x]><!-- I 1..1 boolean|CodeableConcept Value of extension --></value[x]>
</extension>

JSON Template

{ // bestpractice
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice", // R! 
  // value[x]: Value of extension. One of these 2:
    "valueBoolean" : <boolean>, // I R! Value of extension
    "valueCodeableConcept" : { CodeableConcept } // I R! Value of extension
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: hasValue() or (children().count() > id.count()))
  • ext-1: Must have either extensions or value[x], not both (xpath: extension.exists() != value.exists())
  • ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: hasValue() or (children().count() > id.count()))
  • ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: extension.exists() != value.exists())
  • ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: hasValue() or (children().count() > id.count()))

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