http://hl7.org/fhir/us/core/StructureDefinition/us-core-documentreference|8.0.0-ballot

The US Core DocumentReference Profile inherits from the FHIR [DocumentReference](https://hl7.org/fhir/R4/documentreference.html) resource; refer to it for scope and usage definitions. This profile sets minimum expectations for searching and fetching patient documents including Clinical Notes using the DocumentReference resource. It specifies which core elements, extensions, vocabularies, and value sets **SHALL** be present and constrains how the elements are used. Providing the floor for standards development for specific use cases promotes interoperability and adoption. Before reviewing this profile, implementers are encouraged to read the Clinical Notes Guidance to understand the overlap of the US Core DiagnosticReport Profile for Report and Note exchange and the US Core DocumentReference Profile.
element_idtypes
DocumentReference
DocumentReference.identifier
DocumentReference.status
DocumentReference.type
DocumentReference.category
DocumentReference.category:uscore
DocumentReference.subject
DocumentReference.date
DocumentReference.author
DocumentReference.content
DocumentReference.content.attachment
DocumentReference.content.attachment.contentType
DocumentReference.content.attachment.data
DocumentReference.content.attachment.url
DocumentReference.content.format
DocumentReference.context
DocumentReference.context.encounter
DocumentReference.context.period
DocumentReference
DocumentReference.id
DocumentReference.meta
DocumentReference.implicitRules
DocumentReference.language
DocumentReference.text
DocumentReference.contained
DocumentReference.extension
DocumentReference.modifierExtension
DocumentReference.masterIdentifier
DocumentReference.identifier
DocumentReference.status
DocumentReference.docStatus
DocumentReference.type
DocumentReference.category
DocumentReference.category:uscore
DocumentReference.subject
DocumentReference.date
DocumentReference.author
DocumentReference.authenticator
DocumentReference.custodian
DocumentReference.relatesTo
DocumentReference.relatesTo.id
DocumentReference.relatesTo.extension
DocumentReference.relatesTo.modifierExtension
DocumentReference.relatesTo.code
DocumentReference.relatesTo.target
DocumentReference.description
DocumentReference.securityLabel
DocumentReference.content
DocumentReference.content.id
DocumentReference.content.extension
DocumentReference.content.modifierExtension
DocumentReference.content.attachment
DocumentReference.content.attachment.id
DocumentReference.content.attachment.extension
DocumentReference.content.attachment.contentType
DocumentReference.content.attachment.language
DocumentReference.content.attachment.data
DocumentReference.content.attachment.url
DocumentReference.content.attachment.size
DocumentReference.content.attachment.hash
DocumentReference.content.attachment.title
DocumentReference.content.attachment.creation
DocumentReference.content.format
DocumentReference.context
DocumentReference.context.id
DocumentReference.context.extension
DocumentReference.context.modifierExtension
DocumentReference.context.encounter
DocumentReference.context.event
DocumentReference.context.period
DocumentReference.context.facilityType
DocumentReference.context.practiceSetting
DocumentReference.context.sourcePatientInfo
DocumentReference.context.related