FHIR Release 3 (STU) Current Build

Extension: duration

Patient Care Work Group   Maturity Level : 1 Informative Use Context : Any

URL for this extension:


http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration

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

The amount of time that the Adverse Reaction persisted.

Context of Use: Use on element: Element ID AllergyIntolerance.reaction

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

Extension Content

Summary

Name Flags Card. Type Description & Constraints doco
. . extension duration 0..1 Duration URL = http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration
duration: The amount of time that the Adverse Reaction persisted.


Use on element: Element ID AllergyIntolerance.reaction

doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..1 Extension URL = http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration
duration: The amount of time that the Adverse Reaction persisted.


Use on element: Element ID AllergyIntolerance.reaction
. . . extension 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration"
. . . valueDuration 0..1 Duration Value of extension

doco Documentation for this format

XML Template

<!-- duration -->doco
<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration" >
  <!-- from Element: extension -->
 <</valueDuration>

 <valueDuration><!-- 0..1 Duration Value of extension --></valueDuration>

</extension>

JSON Template

{ // duration
  // from Element: extension
    "
    ],

    "extension" : [ //  sliced by value:url  in the specified order, Open ]

    "url" : "http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration", // R! 
    "

    "valueDuration" : { Duration } //Value of extension

  }

Summary

Name Flags Card. Type Description & Constraints doco
. . extension duration 0..1 Duration URL = http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration
duration: The amount of time that the Adverse Reaction persisted.


Use on element: Element ID AllergyIntolerance.reaction

doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..1 Extension URL = http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration
duration: The amount of time that the Adverse Reaction persisted.


Use on element: Element ID AllergyIntolerance.reaction
. . . extension 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration"
. . . valueDuration 0..1 Duration Value of extension

doco Documentation for this format

XML Template

<!-- duration -->doco
<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration" >
  <!-- from Element: extension -->
 <</valueDuration>

 <valueDuration><!-- 0..1 Duration Value of extension --></valueDuration>

</extension>

JSON Template

{ // duration
  // from Element: extension
    "
    ],

    "extension" : [ //  sliced by value:url  in the specified order, Open ]

    "url" : "http://hl7.org/fhir/StructureDefinition/allergyintolerance-duration", // R! 
    "

    "valueDuration" : { Duration } //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')]) )