f:DocumentReference type: minimum cardinality of 'type' is 1 category: minimum cardinality of 'category' is 1 subject: minimum cardinality of 'subject' is 1 DocumentReference If the resource is contained in another resource, it SHALL NOT contain nested Resources (inherited) If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (inherited) If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (inherited) If a resource is contained in another resource, it SHALL NOT have a security label (inherited) A resource should have narrative for robust management (inherited) DocumentReference.meta All FHIR elements must have a @value or children (inherited) DocumentReference.implicitRules All FHIR elements must have a @value or children (inherited) DocumentReference.language All FHIR elements must have a @value or children (inherited) DocumentReference.text All FHIR elements must have a @value or children (inherited) DocumentReference.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.masterIdentifier All FHIR elements must have a @value or children (inherited) DocumentReference.identifier All FHIR elements must have a @value or children (inherited) DocumentReference.status All FHIR elements must have a @value or children (inherited) DocumentReference.docStatus All FHIR elements must have a @value or children (inherited) DocumentReference.type All FHIR elements must have a @value or children (inherited) DocumentReference.category All FHIR elements must have a @value or children (inherited) DocumentReference.subject All FHIR elements must have a @value or children (inherited) DocumentReference.date All FHIR elements must have a @value or children (inherited) DocumentReference.author All FHIR elements must have a @value or children (inherited) DocumentReference.authenticator All FHIR elements must have a @value or children (inherited) DocumentReference.custodian All FHIR elements must have a @value or children (inherited) DocumentReference.relatesTo All FHIR elements must have a @value or children (inherited) DocumentReference.relatesTo.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.relatesTo.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.relatesTo.code All FHIR elements must have a @value or children (inherited) DocumentReference.relatesTo.target All FHIR elements must have a @value or children (inherited) DocumentReference.description All FHIR elements must have a @value or children (inherited) DocumentReference.securityLabel All FHIR elements must have a @value or children (inherited) DocumentReference.content All FHIR elements must have a @value or children (inherited) DocumentReference.content.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.content.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) f:DocumentReference/f:content/f:attachment id: maximum cardinality of 'id' is 1 contentType: minimum cardinality of 'contentType' is 1 contentType: maximum cardinality of 'contentType' is 1 language: maximum cardinality of 'language' is 1 data: maximum cardinality of 'data' is 1 url: maximum cardinality of 'url' is 1 size: maximum cardinality of 'size' is 1 hash: maximum cardinality of 'hash' is 1 title: maximum cardinality of 'title' is 1 creation: maximum cardinality of 'creation' is 1 DocumentReference.content.attachment All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.extension All FHIR elements must have a @value or children Must have either extensions or value[x], not both DocumentReference.content.attachment.contentType All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.language All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.data All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.url All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.size All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.hash All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.title All FHIR elements must have a @value or children (inherited) DocumentReference.content.attachment.creation All FHIR elements must have a @value or children (inherited) DocumentReference.content.format All FHIR elements must have a @value or children (inherited) DocumentReference.context All FHIR elements must have a @value or children (inherited) DocumentReference.context.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.context.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) DocumentReference.context.encounter All FHIR elements must have a @value or children (inherited) DocumentReference.context.event All FHIR elements must have a @value or children (inherited) DocumentReference.context.period All FHIR elements must have a @value or children (inherited) DocumentReference.context.facilityType All FHIR elements must have a @value or children (inherited) DocumentReference.context.practiceSetting All FHIR elements must have a @value or children (inherited) DocumentReference.context.sourcePatientInfo All FHIR elements must have a @value or children (inherited) DocumentReference.context.related All FHIR elements must have a @value or children (inherited)