description: Required if ParticipantObjectIDTypeCode is (110180, DCM, \"Study Instance UID\") and any of the optional fields (AccessionNumber, ContainsMPPS, NumberOfInstances, ContainsSOPInstances,Encrypted,Anonymized) are present in this Participant Object. May be present if ParticipantObjectIDTypeCode is (110180, DCM, \"Study Instance UID\") even though none of the optional fields are present.
package_name: hl7.fhir.r5.examples
derivation: constraint
name: SOPClass
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/auditevent-SOPClass'}
    index: 1
  value:
    choices: [valueReference]
    index: 3
  valueReference:
    type: Reference
    choiceOf: value
    refers: ['http://hl7.org/fhir/StructureDefinition/ImagingStudy']
    index: 4
package_version: 4.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/auditevent-SOPClass
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.5.0
required: [valueReference, value]