| Source Element | Usage | Target |
| DocumentReference.id | UseOneOfElements | DocumentReference.id,Media.id |
| DocumentReference.meta | UseOneOfElements | DocumentReference.meta,Media.meta |
| DocumentReference.implicitRules | UseOneOfElements | DocumentReference.implicitRules,Media.implicitRules |
| DocumentReference.language | UseOneOfElements | DocumentReference.language,Media.language |
| DocumentReference.text | UseOneOfElements | DocumentReference.text,Media.text |
| DocumentReference.contained | UseOneOfElements | DocumentReference.contained,Media.contained |
| DocumentReference.extension | UseOneOfElements | DocumentReference.extension,Media.extension |
| DocumentReference.modifierExtension | UseOneOfElements | DocumentReference.modifierExtension,Media.modifierExtension |
| DocumentReference.identifier | UseOneOfElements | DocumentReference.masterIdentifier,DocumentReference.identifier,Media.identifier |
| DocumentReference.version | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.version |
| DocumentReference.basedOn | UseElementRenamed | Media.basedOn |
| DocumentReference.status | UseOneOfElements | DocumentReference.status,Media.status |
| DocumentReference.docStatus | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.docStatus |
| DocumentReference.modality | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.modality |
| DocumentReference.type | UseOneOfElements | DocumentReference.type,Media.type |
| DocumentReference.category | UseElementSameName | DocumentReference.category |
| DocumentReference.subject | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.subject |
| DocumentReference.context | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.context |
| DocumentReference.event | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.event |
| DocumentReference.bodySite | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.bodySite |
| DocumentReference.facilityType | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.facilityType |
| DocumentReference.practiceSetting | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.practiceSetting |
| DocumentReference.period | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.period |
| DocumentReference.date | UseElementSameName | DocumentReference.date |
| DocumentReference.author | UseElementSameName | DocumentReference.author |
| DocumentReference.attester | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.attester |
| DocumentReference.attester.id | UseExtensionFromAncestor | - |
| DocumentReference.attester.extension | UseExtensionFromAncestor | - |
| DocumentReference.attester.modifierExtension | UseExtensionFromAncestor | - |
| DocumentReference.attester.mode | UseExtensionFromAncestor | - |
| DocumentReference.attester.time | UseExtensionFromAncestor | - |
| DocumentReference.attester.party | UseExtensionFromAncestor | - |
| DocumentReference.custodian | UseElementSameName | DocumentReference.custodian |
| DocumentReference.relatesTo | UseElementSameName | DocumentReference.relatesTo |
| DocumentReference.relatesTo.id | UseElementSameName | DocumentReference.relatesTo.id |
| DocumentReference.relatesTo.extension | UseElementSameName | DocumentReference.relatesTo.extension |
| DocumentReference.relatesTo.modifierExtension | UseElementSameName | DocumentReference.relatesTo.modifierExtension |
| DocumentReference.relatesTo.code | UseElementSameName | DocumentReference.relatesTo.code |
| DocumentReference.relatesTo.target | UseElementSameName | DocumentReference.relatesTo.target |
| DocumentReference.description | UseElementSameName | DocumentReference.description |
| DocumentReference.securityLabel | UseElementSameName | DocumentReference.securityLabel |
| DocumentReference.content | UseOneOfElements | DocumentReference.content,Media.content |
| DocumentReference.content.id | UseElementSameName | DocumentReference.content.id |
| DocumentReference.content.extension | UseElementSameName | DocumentReference.content.extension |
| DocumentReference.content.modifierExtension | UseElementSameName | DocumentReference.content.modifierExtension |
| DocumentReference.content.attachment | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.content.attachment |
| DocumentReference.content.profile | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.content.profile |
| DocumentReference.content.profile.id | UseExtensionFromAncestor | - |
| DocumentReference.content.profile.extension | UseExtensionFromAncestor | - |
| DocumentReference.content.profile.modifierExtension | UseExtensionFromAncestor | - |
| DocumentReference.content.profile.value[x] | UseExtensionFromAncestor | - |