STU3 Candidate

This page is part of the FHIR Specification (v1.8.0: STU 3 Draft). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2

Extension: Object Class

(No assigned work group) Maturity Level: 0Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/11179-objectClass

Status: draft. Extension maintained by: Health Level Seven International (Orders and Observations)

A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things.

Context of Use: Use on data type: ElementDefinition.mapping

usage info: insert a list of places where this extension is used

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1CodingURL = http://hl7.org/fhir/StructureDefinition/11179-objectClass
Object Class: A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things.
Use on data type: ElementDefinition.mapping

doco Documentation for this format

Fulle Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/11179-objectClass
Object Class: A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things.
Use on data type: ElementDefinition.mapping
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/11179-objectClass"
... valueCoding 1..1CodingValue of extension
Binding: DataElement SDC Object Class (example)

doco Documentation for this format

XML Template

<!-- Object Class -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/11179-objectClass" >
  <!-- from Element: extension -->
 <valueCoding><!-- 1..1 Coding Value of extension --></valueCoding>
</extension>

JSON Template

{ // Object Class
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/11179-objectClass", // R! 
    "valueCoding" : { Coding } // R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1CodingURL = http://hl7.org/fhir/StructureDefinition/11179-objectClass
Object Class: A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things.
Use on data type: ElementDefinition.mapping

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/11179-objectClass
Object Class: A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things.
Use on data type: ElementDefinition.mapping
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/11179-objectClass"
... valueCoding 1..1CodingValue of extension
Binding: DataElement SDC Object Class (example)

doco Documentation for this format

XML Template

<!-- Object Class -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/11179-objectClass" >
  <!-- from Element: extension -->
 <valueCoding><!-- 1..1 Coding Value of extension --></valueCoding>
</extension>

JSON Template

{ // Object Class
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/11179-objectClass", // R! 
    "valueCoding" : { Coding } // R! Value of extension
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
  • ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))