description: Extension to capture the organization that was the author/source of a List. This extends the current possible reference types (Practitioner | Patient | Device) so that it includes an Organization. package_name: PGO.02 derivation: constraint name: MedicationOverview SourceOrganization type: Extension elements: url: pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/MedicationOverview-SourceOrganization'} index: 0 valueReference: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Organization'] index: 1 package_version: 1.02.1 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/MedicationOverview-SourceOrganization base: http://hl7.org/fhir/StructureDefinition/Extension version: '2.0'