This page is part of the FHIR Specification (v1.6.0: STU 3 Ballot 4). 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

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON

Extension: Object Class

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
• Full Structure
• XML
• JSON
• All

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Coding	URL = 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
Documentation for this format

Fulle Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = 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..1	uri	"http://hl7.org/fhir/StructureDefinition/11179-objectClass"
valueCoding		1..1	Coding	Value of extension Binding: DataElement SDC Object Class (example)
Documentation for this format

XML Template

<!-- Object Class -->

<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

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Coding	URL = 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
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = 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..1	uri	"http://hl7.org/fhir/StructureDefinition/11179-objectClass"
valueCoding		1..1	Coding	Value of extension Binding: DataElement SDC Object Class (example)
Documentation for this format

XML Template

<!-- Object Class -->

<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')]))