description: This cross-version extension represents ImagingStudy.basedOn from http://hl7.org/fhir/StructureDefinition/ImagingStudy|3.0.2 for use in FHIR R5.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: Ext_R3_ImagingStudy_basedOn
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ImagingStudy.basedOn'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: Request fulfilled
    choices: [valueReference]
    index: 2
  valueReference:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: Reference
    short: Request fulfilled
    choiceOf: value
    index: 3
package_version: r3.r5-0.0.1-snapshot-2
class: extension
kind: complex-type
url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ImagingStudy.basedOn
base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0
version: 0.0.1-snapshot-2
required: [url]