description: This cross-version extension represents ImagingStudy.uid from http://hl7.org/fhir/StructureDefinition/ImagingStudy|1.0.2 for use in FHIR R4B.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: Ext_R2_ImagingStudy_uid
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-ImagingStudy.uid'}
    index: 0
  value:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    short: Formal identifier for the study
    choices: [valueOid]
    index: 2
  valueOid:
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    type: oid
    short: Formal identifier for the study
    choiceOf: value
    index: 3
package_version: r2.r4b-0.0.1-snapshot-2
class: extension
kind: complex-type
url: http://hl7.org/fhir/1.0/StructureDefinition/extension-ImagingStudy.uid
base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0
version: 0.0.1-snapshot-2
required: [url]