f:Extension id: minimum cardinality of 'id' is 1 valueIdentifier: minimum cardinality of 'valueIdentifier' is 1 Extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.id All FHIR elements must have a @value or children Extension.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.url All FHIR elements must have a @value or children f:Extension/f:valueIdentifier id: maximum cardinality of 'id' is 0 use: maximum cardinality of 'use' is 0 type: maximum cardinality of 'type' is 0 system: minimum cardinality of 'system' is 1 value: minimum cardinality of 'value' is 1 period: maximum cardinality of 'period' is 0 assigner: maximum cardinality of 'assigner' is 0 Extension.valueIdentifier All FHIR elements must have a @value or children Extension.valueIdentifier.id All FHIR elements must have a @value or children Extension.valueIdentifier.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.valueIdentifier.use All FHIR elements must have a @value or children Extension.valueIdentifier.type All FHIR elements must have a @value or children Extension.valueIdentifier.type.id All FHIR elements must have a @value or children Extension.valueIdentifier.type.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.valueIdentifier.type.coding All FHIR elements must have a @value or children Extension.valueIdentifier.type.coding.id All FHIR elements must have a @value or children Extension.valueIdentifier.type.coding.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.valueIdentifier.type.coding.system All FHIR elements must have a @value or children Extension.valueIdentifier.type.coding.version All FHIR elements must have a @value or children Extension.valueIdentifier.type.coding.code All FHIR elements must have a @value or children Extension.valueIdentifier.type.coding.display All FHIR elements must have a @value or children Extension.valueIdentifier.type.coding.userSelected All FHIR elements must have a @value or children Extension.valueIdentifier.type.text All FHIR elements must have a @value or children Extension.valueIdentifier.system All FHIR elements must have a @value or children Extension.valueIdentifier.value All FHIR elements must have a @value or children Extension.valueIdentifier.period All FHIR elements must have a @value or children If present, start SHALL have a lower value than end Extension.valueIdentifier.period.id All FHIR elements must have a @value or children Extension.valueIdentifier.period.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.valueIdentifier.period.start All FHIR elements must have a @value or children Extension.valueIdentifier.period.end All FHIR elements must have a @value or children Extension.valueIdentifier.assigner All FHIR elements must have a @value or children SHALL have a contained resource if a local reference is provided Extension.valueIdentifier.assigner.id All FHIR elements must have a @value or children Extension.valueIdentifier.assigner.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both Extension.valueIdentifier.assigner.reference All FHIR elements must have a @value or children Extension.valueIdentifier.assigner.identifier All FHIR elements must have a @value or children Extension.valueIdentifier.assigner.display All FHIR elements must have a @value or children