GAO Ballot Package

This page is part of the FHIR Specification (v1.1.0: STU 3 Ballot 1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions

This is a frozen snapshot of the FHIR specification created for the purpose of balloting the GAO implementation Guide. It includes draft changes that may be part of the future DSTU 2.1 release but further change is expected. Readers should focus solely on the GAO implementation content, and FHIR DSTU 2 for other purposes.

Extension: The length of time for radiation exposure

URL for this extension:

http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration

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

The duration of exposure to radiation for this study.

Context of Use: Use on element: ImagingStudy

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

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Duration	URL = http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration The length of time for radiation exposure: The duration of exposure to radiation for this study. Use on element: ImagingStudy
Documentation for this format

Fulle Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration The length of time for radiation exposure: The duration of exposure to radiation for this study. Use on element: ImagingStudy
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration"
valueQuantity	∑ I	1..1	Duration	A length of time qty-3: If a code for the unit is present, the system SHALL also be present drt-1: There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM.
Documentation for this format

XML Template

<!-- The length of time for radiation exposure -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration" >
  <!-- from Element: extension -->
 <valueQuantity><!--  1..1 Quantity A length of time --></valueQuantity>
</extension>

JSON Template

{ // The length of time for radiation exposure
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration", // R! 
    "valueQuantity" : { Quantity(Duration) } // C? R! A length of time
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Duration	URL = http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration The length of time for radiation exposure: The duration of exposure to radiation for this study. Use on element: ImagingStudy
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration The length of time for radiation exposure: The duration of exposure to radiation for this study. Use on element: ImagingStudy
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration"
valueQuantity	∑ I	1..1	Duration	A length of time qty-3: If a code for the unit is present, the system SHALL also be present drt-1: There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM.
Documentation for this format

XML Template

<!-- The length of time for radiation exposure -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration" >
  <!-- from Element: extension -->
 <valueQuantity><!--  1..1 Quantity A length of time --></valueQuantity>
</extension>

JSON Template

{ // The length of time for radiation exposure
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/imagingstudy-radiationDuration", // R! 
    "valueQuantity" : { Quantity(Duration) } // C? R! A length of time
  }

Constraints

qty-3: On Extension.valueQuantity: If a code for the unit is present, the system SHALL also be present (xpath on f:Extension/f:valueQuantity: not(exists(f:code)) or exists(f:system))
drt-1: On Extension.valueQuantity: There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM. (xpath on f:Extension/f:valueQuantity: (f:code or not(f:value)) and (not(exists(f:system)) or f:system/@value='http://unitsofmeasure.org'))