http://hl7.org/fhir/StructureDefinition/auditevent-ParticipantObjectContainsStudy|5.2.0

A Study Instance ID, which may be used when the Entity type is not (110180, DCM, \"Study Instance UID\").
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/Identifier