This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). 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

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Extension: eventHistory

URL for this extension:

http://hl7.org/fhir/StructureDefinition/event-eventHistory

Status: draft. Extension maintained by: Health Level Seven, Inc. - FHIR WG

Links to Provenance records for past versions of this resource that document key state transitions or updates that are deemed “relevant” or important to a user looking at the current version of the resource. E.g, when an observation was verified or corrected. This extension does not point to the Provenance associated with the current version of the resource - as it would be created after this version existed. The Provenance for the current version can be retrieved with a _revinclude.

Comment:

May reference only Provenance resources deemed “relevant” or important. This element does not point to the Provenance associated with the current version of the resource - as it would be created after this version existed. The Provenance for the current version can be retrieved with a _revinclude.

Context of Use: Use on Element ID Observation, Element ID DiagnosticReport, Element ID Task, Element ID SupplyDelivery or Element ID DeviceUseStatement

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

Extension Content

• Summary
• Full Structure
• XML
• JSON
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Summary

Name	Flags	Card.	Type	Description & Constraints
eventHistory		0..*	Reference(Provenance)	URL = http://hl7.org/fhir/StructureDefinition/event-eventHistory eventHistory: Links to Provenance records for past versions of this resource that document key state transitions or updates that are deemed “relevant” or important to a user looking at the current version of the resource. E.g, when an observation was verified or corrected. This extension does not point to the Provenance associated with the current version of the resource - as it would be created after this version existed. The Provenance for the current version can be retrieved with a _revinclude. Use on Element ID Observation, Element ID DiagnosticReport, Element ID Task, Element ID SupplyDelivery or Element ID DeviceUseStatement
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/event-eventHistory eventHistory: Links to Provenance records for past versions of this resource that document key state transitions or updates that are deemed “relevant” or important to a user looking at the current version of the resource. E.g, when an observation was verified or corrected. This extension does not point to the Provenance associated with the current version of the resource - as it would be created after this version existed. The Provenance for the current version can be retrieved with a _revinclude. Use on Element ID Observation, Element ID DiagnosticReport, Element ID Task, Element ID SupplyDelivery or Element ID DeviceUseStatement
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/event-eventHistory"
valueReference		0..1	Reference(Provenance)	Value of extension
Documentation for this format

XML Template

<!-- eventHistory -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/event-eventHistory" >
  <!-- from Element: extension -->
 <valueReference><!-- 0..1 Reference(Provenance) Value of extension --></valueReference>
</extension>

JSON Template

{ // eventHistory
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/event-eventHistory", // R! 
    "valueReference" : { Reference(Provenance) } //Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
eventHistory		0..*	Reference(Provenance)	URL = http://hl7.org/fhir/StructureDefinition/event-eventHistory eventHistory: Links to Provenance records for past versions of this resource that document key state transitions or updates that are deemed “relevant” or important to a user looking at the current version of the resource. E.g, when an observation was verified or corrected. This extension does not point to the Provenance associated with the current version of the resource - as it would be created after this version existed. The Provenance for the current version can be retrieved with a _revinclude. Use on Element ID Observation, Element ID DiagnosticReport, Element ID Task, Element ID SupplyDelivery or Element ID DeviceUseStatement
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/event-eventHistory eventHistory: Links to Provenance records for past versions of this resource that document key state transitions or updates that are deemed “relevant” or important to a user looking at the current version of the resource. E.g, when an observation was verified or corrected. This extension does not point to the Provenance associated with the current version of the resource - as it would be created after this version existed. The Provenance for the current version can be retrieved with a _revinclude. Use on Element ID Observation, Element ID DiagnosticReport, Element ID Task, Element ID SupplyDelivery or Element ID DeviceUseStatement
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/event-eventHistory"
valueReference		0..1	Reference(Provenance)	Value of extension
Documentation for this format

XML Template

<!-- eventHistory -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/event-eventHistory" >
  <!-- from Element: extension -->
 <valueReference><!-- 0..1 Reference(Provenance) Value of extension --></valueReference>
</extension>

JSON Template

{ // eventHistory
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/event-eventHistory", // R! 
    "valueReference" : { Reference(Provenance) } //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')]))