http://hl7.org/fhir/StructureDefinition/DocumentReference|4.0.1

A reference to a document of any kind for any purpose. Provides metadata about the document so that the document can be discovered and managed. The scope of a document is any seralized object with a mime-type, so includes formal patient centric documents (CDA), cliical notes, scanned paper, and non-patient specific documents like policy text.
Base: http://hl7.org/fhir/StructureDefinition/DomainResource4.0.1, 5.0.0, 4.0.1
Type: DocumentReference (a.k.a: http://hl7.org/fhir/StructureDefinition/DocumentReference)
Type dependencies: 15
Elements
authenticator: Reference
author: Reference
category: CodeableConcept
contained: Resource
content: BackboneElement
extension: Extension
modifierExtension: Extension
attachment: Attachment
format: Coding
context: BackboneElement
practiceSetting: CodeableConcept
encounter: Reference
related: Reference
facilityType: CodeableConcept
extension: Extension
sourcePatientInfo: Reference
period: Period
modifierExtension: Extension
custodian: Reference
date: instant
description: string
docStatus: code
extension: Extension
identifier: Identifier
implicitRules: uri
language: code
masterIdentifier: Identifier
meta: Meta
modifierExtension: Extension
relatesTo: BackboneElement
extension: Extension
modifierExtension: Extension
code: code
target: Reference
securityLabel: CodeableConcept
status: code
subject: Reference
text: Narrative