Cross-version Extension for R4B.DocumentReference.context for use in FHIR R5 - Definitions - FHIR Cross-Version Extensions package for FHIR R5 from FHIR R4B v0.0.1-snapshot-2

FHIR Cross-Version Extensions package for FHIR R5 from FHIR R4B - Version 0.0.1-snapshot-2. See the Directory of published versions

Extension: Ext_R4B_DocumentReference_context - Detailed Descriptions

Page standards status: Informative

Maturity Level: 0

Definitions for the ext-R4B-DocumentReference.context extension.

Differential Elements Table
Key Elements Table
Snapshot Elements Table

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition	The clinical context in which the document was prepared.
Short	Clinical context of document
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
2. Extension.extension
Control	0..*
Slicing	This element introduces a set of slices on `Extension.extension`. The slices areUnordered and Closed, and can be differentiated using the following discriminators: value @ url
4. Extension.extension:encounter
Slice Name	encounter
Definition	Describes the clinical encounter or type of care that the document content is associated with.
Short	Context of the document content
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
6. Extension.extension:encounter.url
Control	1..1
Fixed Value	`encounter`
8. Extension.extension:encounter.value[x]
Definition	Describes the clinical encounter or type of care that the document content is associated with.
Short	Context of the document content
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Type	Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
10. Extension.extension:event
Slice Name	event
Definition	This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the type Code, such as a "History and Physical Report" in which the procedure being documented is necessarily a "History and Physical" act.
Short	Main clinical acts documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
12. Extension.extension:event.url
Control	1..1
Fixed Value	`event`
14. Extension.extension:event.value[x]
Definition	This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the type Code, such as a "History and Physical Report" in which the procedure being documented is necessarily a "History and Physical" act.
Short	Main clinical acts documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Binding	For example codes, see http://terminology.hl7.org/ValueSet/v3-ActCode\|2.0.0 (example to `http://terminology.hl7.org/ValueSet/v3-ActCode\|2.0.0`) This list of codes represents the main clinical acts being documented.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
16. Extension.extension:period
Slice Name	period
Definition	The time period over which the service that is described by the document was provided.
Short	Time of service that is being documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
18. Extension.extension:period.url
Control	1..1
Fixed Value	`period`
20. Extension.extension:period.value[x]
Definition	The time period over which the service that is described by the document was provided.
Short	Time of service that is being documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Type	Period
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
22. Extension.extension:facilityType
Slice Name	facilityType
Definition	The kind of facility where the patient was seen.
Short	Kind of facility where patient was seen
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
24. Extension.extension:facilityType.url
Control	1..1
Fixed Value	`facilityType`
26. Extension.extension:facilityType.value[x]
Definition	The kind of facility where the patient was seen.
Short	Kind of facility where patient was seen
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Binding	For example codes, see R4B_c80_facilitycodes_for_R5 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/4.3/ValueSet/R4B-c80-facilitycodes-for-R5\|0.0.1-snapshot-2`) XDS Facility Type.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
28. Extension.extension:practiceSetting
Slice Name	practiceSetting
Definition	This property may convey specifics about the practice setting where the content was created, often reflecting the clinical specialty.
Short	Additional details about where the content was created (e.g. clinical specialty)
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
30. Extension.extension:practiceSetting.url
Control	1..1
Fixed Value	`practiceSetting`
32. Extension.extension:practiceSetting.value[x]
Definition	This property may convey specifics about the practice setting where the content was created, often reflecting the clinical specialty.
Short	Additional details about where the content was created (e.g. clinical specialty)
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Binding	For example codes, see R4B_c80_practice_codes_for_R5 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/4.3/ValueSet/R4B-c80-practice-codes-for-R5\|0.0.1-snapshot-2`) Additional details about where the content was created (e.g. clinical specialty).
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
34. Extension.extension:sourcePatientInfo
Slice Name	sourcePatientInfo
Definition	The Patient Information as known when the document was published. May be a reference to a version specific, or contained.
Short	Patient demographics from source
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
36. Extension.extension:sourcePatientInfo.url
Control	1..1
Fixed Value	`sourcePatientInfo`
38. Extension.extension:sourcePatientInfo.value[x]
Definition	The Patient Information as known when the document was published. May be a reference to a version specific, or contained.
Short	Patient demographics from source
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Type	Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
40. Extension.extension:related
Slice Name	related
Definition	Related identifiers or resources associated with the DocumentReference.
Short	Related identifiers or resources
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
42. Extension.extension:related.url
Control	1..1
Fixed Value	`related`
44. Extension.extension:related.value[x]
Definition	Related identifiers or resources associated with the DocumentReference.
Short	Related identifiers or resources
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Type	Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
46. Extension.url
Control	1..1
Fixed Value	`http://hl7.org/fhir/4.3/StructureDefinition/extension-DocumentReference.context`

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition	The clinical context in which the document was prepared. Optional Extension Element - found in all resources.
Short	Clinical context of documentOptional Extensions Element
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1*
Is Modifier	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
2. Extension.extension
Definition	An Extension May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	ExtensionAdditional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
Slicing	This element introduces a set of slices on `Extension.extension`. The slices areUnordered and ClosedOpen, and can be differentiated using the following discriminators: value @ url
4. Extension.extension:encounter
Slice Name	encounter
Definition	Describes the clinical encounter or type of care that the document content is associated with.
Short	Context of the document contentAdditional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
6. Extension.extension:encounter.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`encounter`
8. Extension.extension:encounter.value[x]
Definition	Describes the clinical encounter or type of care that the document content is associated with. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Context of the document contentValue of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Reference, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, CodeableConcept, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
10. Extension.extension:event
Slice Name	event
Definition	This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the type Code, such as a "History and Physical Report" in which the procedure being documented is necessarily a "History and Physical" act.
Short	Main clinical acts documentedAdditional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
12. Extension.extension:event.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`event`
14. Extension.extension:event.value[x]
Definition	This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the type Code, such as a "History and Physical Report" in which the procedure being documented is necessarily a "History and Physical" act. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Main clinical acts documentedValue of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Binding	For example codes, see For codes, see http://terminology.hl7.org/ValueSet/v3-ActCode\|2.0.0 (example to `http://terminology.hl7.org/ValueSet/v3-ActCode\|2.0.0`) This list of codes represents the main clinical acts being documented.
Type	CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
16. Extension.extension:period
Slice Name	period
Definition	The time period over which the service that is described by the document was provided.
Short	Time of service that is being documentedAdditional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
18. Extension.extension:period.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`period`
20. Extension.extension:period.value[x]
Definition	The time period over which the service that is described by the document was provided. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Time of service that is being documentedValue of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Period, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, CodeableConcept, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
22. Extension.extension:facilityType
Slice Name	facilityType
Definition	The kind of facility where the patient was seen.
Short	Kind of facility where patient was seenAdditional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
24. Extension.extension:facilityType.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`facilityType`
26. Extension.extension:facilityType.value[x]
Definition	The kind of facility where the patient was seen. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Kind of facility where patient was seenValue of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Binding	For example codes, see For codes, see R4B_c80_facilitycodes_for_R5 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/4.3/ValueSet/R4B-c80-facilitycodes-for-R5\|0.0.1-snapshot-2`) XDS Facility Type.
Type	CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
28. Extension.extension:practiceSetting
Slice Name	practiceSetting
Definition	This property may convey specifics about the practice setting where the content was created, often reflecting the clinical specialty.
Short	Additional details about where the content was created (e.g. clinical specialty)Additional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
30. Extension.extension:practiceSetting.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`practiceSetting`
32. Extension.extension:practiceSetting.value[x]
Definition	This property may convey specifics about the practice setting where the content was created, often reflecting the clinical specialty. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Additional details about where the content was created (e.g. clinical specialty)Value of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Binding	For example codes, see For codes, see R4B_c80_practice_codes_for_R5 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/4.3/ValueSet/R4B-c80-practice-codes-for-R5\|0.0.1-snapshot-2`) Additional details about where the content was created (e.g. clinical specialty).
Type	CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
34. Extension.extension:sourcePatientInfo
Slice Name	sourcePatientInfo
Definition	The Patient Information as known when the document was published. May be a reference to a version specific, or contained.
Short	Patient demographics from sourceAdditional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
36. Extension.extension:sourcePatientInfo.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`sourcePatientInfo`
38. Extension.extension:sourcePatientInfo.value[x]
Definition	The Patient Information as known when the document was published. May be a reference to a version specific, or contained. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Patient demographics from sourceValue of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Reference, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, CodeableConcept, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
40. Extension.extension:related
Slice Name	related
Definition	Related identifiers or resources associated with the DocumentReference.
Short	Related identifiers or resourcesAdditional content defined by implementations
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
42. Extension.extension:related.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`related`
44. Extension.extension:related.value[x]
Definition	Related identifiers or resources associated with the DocumentReference. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Related identifiers or resourcesValue of extension
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Reference, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, RatioRange, Coding, SampledData, id, positiveInt, Distance, Availability, integer64, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ExtendedContactDetail, CodeableConcept, ParameterDefinition, dateTime, code, string, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, CodeableReference, Signature, unsignedInt, time
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
46. Extension.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`http://hl7.org/fhir/4.3/StructureDefinition/extension-DocumentReference.context`

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition	The clinical context in which the document was prepared.
Short	Clinical context of document
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
Is Modifier	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
2. Extension.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
4. Extension.extension
Definition	An Extension
Short	Extension
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension`. The slices areUnordered and Closed, and can be differentiated using the following discriminators: value @ url
6. Extension.extension:encounter
Slice Name	encounter
Definition	Describes the clinical encounter or type of care that the document content is associated with.
Short	Context of the document content
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
8. Extension.extension:encounter.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
10. Extension.extension:encounter.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
12. Extension.extension:encounter.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`encounter`
14. Extension.extension:encounter.value[x]
Definition	Describes the clinical encounter or type of care that the document content is associated with.
Short	Context of the document content
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
16. Extension.extension:event
Slice Name	event
Definition	This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the type Code, such as a "History and Physical Report" in which the procedure being documented is necessarily a "History and Physical" act.
Short	Main clinical acts documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
18. Extension.extension:event.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
20. Extension.extension:event.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
22. Extension.extension:event.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`event`
24. Extension.extension:event.value[x]
Definition	This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the type Code, such as a "History and Physical Report" in which the procedure being documented is necessarily a "History and Physical" act.
Short	Main clinical acts documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Binding	For example codes, see http://terminology.hl7.org/ValueSet/v3-ActCode\|2.0.0 (example to `http://terminology.hl7.org/ValueSet/v3-ActCode\|2.0.0`) This list of codes represents the main clinical acts being documented.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
26. Extension.extension:period
Slice Name	period
Definition	The time period over which the service that is described by the document was provided.
Short	Time of service that is being documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
28. Extension.extension:period.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
30. Extension.extension:period.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
32. Extension.extension:period.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`period`
34. Extension.extension:period.value[x]
Definition	The time period over which the service that is described by the document was provided.
Short	Time of service that is being documented
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Period
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
36. Extension.extension:facilityType
Slice Name	facilityType
Definition	The kind of facility where the patient was seen.
Short	Kind of facility where patient was seen
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
38. Extension.extension:facilityType.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
40. Extension.extension:facilityType.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
42. Extension.extension:facilityType.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`facilityType`
44. Extension.extension:facilityType.value[x]
Definition	The kind of facility where the patient was seen.
Short	Kind of facility where patient was seen
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Binding	For example codes, see R4B_c80_facilitycodes_for_R5 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/4.3/ValueSet/R4B-c80-facilitycodes-for-R5\|0.0.1-snapshot-2`) XDS Facility Type.
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
46. Extension.extension:practiceSetting
Slice Name	practiceSetting
Definition	This property may convey specifics about the practice setting where the content was created, often reflecting the clinical specialty.
Short	Additional details about where the content was created (e.g. clinical specialty)
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
48. Extension.extension:practiceSetting.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
50. Extension.extension:practiceSetting.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
52. Extension.extension:practiceSetting.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`practiceSetting`
54. Extension.extension:practiceSetting.value[x]
Definition	This property may convey specifics about the practice setting where the content was created, often reflecting the clinical specialty.
Short	Additional details about where the content was created (e.g. clinical specialty)
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Binding	For example codes, see R4B_c80_practice_codes_for_R5 (0.0.1-snapshot-2) (example to `http://hl7.org/fhir/4.3/ValueSet/R4B-c80-practice-codes-for-R5\|0.0.1-snapshot-2`) Additional details about where the content was created (e.g. clinical specialty).
Type	CodeableConcept
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
56. Extension.extension:sourcePatientInfo
Slice Name	sourcePatientInfo
Definition	The Patient Information as known when the document was published. May be a reference to a version specific, or contained.
Short	Patient demographics from source
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
58. Extension.extension:sourcePatientInfo.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
60. Extension.extension:sourcePatientInfo.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
62. Extension.extension:sourcePatientInfo.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`sourcePatientInfo`
64. Extension.extension:sourcePatientInfo.value[x]
Definition	The Patient Information as known when the document was published. May be a reference to a version specific, or contained.
Short	Patient demographics from source
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
66. Extension.extension:related
Slice Name	related
Definition	Related identifiers or resources associated with the DocumentReference.
Short	Related identifiers or resources
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
68. Extension.extension:related.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Short	Unique id for inter-element referencing
Control	0..1 This element is affected by the following invariants: ele-1
Type	id
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
70. Extension.extension:related.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Short	Additional content defined by implementations
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Control	0..*
Type	Extension
Is Modifier	false
Summary	false
Alternate Names	extensions, user content
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`) ext-1: Must have either extensions or value[x], not both (`extension.exists() != value.exists()`)
Slicing	This element introduces a set of slices on `Extension.extension.extension`. The slices areUnordered and Open, and can be differentiated using the following discriminators: value @ url
72. Extension.extension:related.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`related`
74. Extension.extension:related.value[x]
Definition	Related identifiers or resources associated with the DocumentReference.
Short	Related identifiers or resources
Comments	`DocumentReference.context` maps to R5 `DocumentReference.context`. Has no type mapping Changed from a single value to an array (max cardinality from 1 to *). So is mapped as RelatedTo.
Control	0..1 This element is affected by the following invariants: ext-1
Type	Reference
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)
76. Extension.url
Definition	Source of the definition for the extension code - a logical name or a URL.
Short	identifies the meaning of the extension
Comments	The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
Control	1..1
Type	uri
Is Modifier	false
XML Format	In the XML format, this property is represented as an attribute.
Summary	false
Fixed Value	`http://hl7.org/fhir/4.3/StructureDefinition/extension-DocumentReference.context`
78. Extension.value[x]
Definition	Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Short	Value of extension
Control	0..1 This element is affected by the following invariants: ext-1
Type	Choice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, integer64, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, CodeableReference, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, RatioRange, Reference, SampledData, Signature, Timing, ContactDetail, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Availability, ExtendedContactDetail, Dosage, Meta
[x] Note	SeeChoice of Data Typesfor further information about how to use [x]
Is Modifier	false
Primitive Value	This primitive element may be present, or absent, or replaced by an extension
Summary	false
Invariants	ele-1: All FHIR elements must have a @value or children (`hasValue() or (children().count() > id.count())`)