description: The report references related (\"sibling\") reports. package_name: rs/hl7.fhir.r3.examples derivation: constraint name: extends type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/diagnosticReport-extends'} index: 1 valueReference: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/DiagnosticReport'] index: 2 package_version: 3.0.2 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/diagnosticReport-extends base: http://hl7.org/fhir/StructureDefinition/Extension version: null