Release 5 Preview #2

This page is part of the FHIR Specification (v4.4.0: R5 Preview #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 R3 R2

Extension: exposureDate

Patient Care Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate

Status: draft. Extension maintained by: Health Level Seven, Inc / openEHR project

Record of the date and/or time of the first exposure to the Substance for this Reaction Event.

Comment:

Exposure can be more complicated by more than one exposure events leading to a reaction. Further details about the nature of the exposure can be provided in additional extensions, or as text in the Exposure Description extension.

Context of Use: Use on Element ID AllergyIntolerance.reaction

Summary

Name	Flags	Card.	Type	Description & Constraints
exposureDate		0..1	dateTime	URL = http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate exposureDate: Record of the date and/or time of the first exposure to the Substance for this Reaction Event. Use on Element ID AllergyIntolerance.reaction
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate exposureDate: Record of the date and/or time of the first exposure to the Substance for this Reaction Event. Use on Element ID AllergyIntolerance.reaction
extension	I	0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate"
value[x]	I	1..1	dateTime	Value of extension
Documentation for this format

XML Template

<!-- exposureDate -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate" >
  <!-- from Element: extension -->
 <valueDateTime value="[dateTime]"/><!--  1..1 Value of extension -->
</extension>

JSON Template

{ // exposureDate
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate", // R! 
    "valueDateTime" : "<dateTime>" // C? R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
exposureDate		0..1	dateTime	URL = http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate exposureDate: Record of the date and/or time of the first exposure to the Substance for this Reaction Event. Use on Element ID AllergyIntolerance.reaction
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate exposureDate: Record of the date and/or time of the first exposure to the Substance for this Reaction Event. Use on Element ID AllergyIntolerance.reaction
extension	I	0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate"
value[x]	I	1..1	dateTime	Value of extension
Documentation for this format

XML Template

<!-- exposureDate -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate" >
  <!-- from Element: extension -->
 <valueDateTime value="[dateTime]"/><!--  1..1 Value of extension -->
</extension>

JSON Template

{ // exposureDate
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate", // R! 
    "valueDateTime" : "<dateTime>" // C? 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')]))
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)