HL7.CDA.US.CCDA\Authorization Activity - Definitions

This page is part of the CCDA: Consolidated CDA Release (v2.1.0-draft1: CCDA 2.1 Draft) based on FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions

Resource Profile: AuthorizationActivity - Detailed Descriptions

Active as of 2023-01-16

Definitions for the 2.16.840.1.113883.10.20.1.19 resource profile.

Differential Elements Table
Key Elements Table
Snapshot Elements Table

Guidance on how to interpret the contents of this table can be found here.

1. Act
2. Act.classCode
Requirements	SHALL contain exactly one [1..1] @classCode="ACT" Act (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:81-8944).
Pattern Value	ACT
3. Act.moodCode
Requirements	SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:81-8945).
Pattern Value	EVN
4. Act.templateId
Slicing	This element introduces a set of slices on Act.templateId. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ root
5. Act.templateId:primary
SliceName	primary
Control	1..1
Requirements	SHALL contain exactly one [1..1] templateId (CONF:81-8946) such that it
6. Act.templateId:primary.root
Control	1..1
Requirements	SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.1.19" (CONF:81-10529).
Pattern Value	2.16.840.1.113883.10.20.1.19
7. Act.id
Control	10..1*
Requirements	SHALL contain exactly one [1..1] id (CONF:81-8947).
8. Act.entryRelationship
Slicing	This element introduces a set of slices on Act.entryRelationship. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ typeCode
9. Act.entryRelationship:target
SliceName	target
Control	1..*
Requirements	SHALL contain at least one [1..*] entryRelationship (CONF:81-8948) such that it
Invariants	Defined on this element 81-8951: The target of an authorization activity with act/entryRelationship/@typeCode="SUBJ" SHALL be a clinical statement with moodCode="PRMS" Promise (CONF:81-8951). (: null) 81-8952: The target of an authorization activity MAY contain one or more performer, to indicate the providers that have been authorized to provide treatment (CONF:81-8952). (: null)
10. Act.entryRelationship:target.typeCode
Control	1..1
Requirements	SHALL contain exactly one [1..1] @typeCode="SUBJ" Has Subject (CodeSystem: HL7ActRelationshipType urn:oid:2.16.840.1.113883.5.1002 STATIC) (CONF:81-8949).
Pattern Value	SUBJ

Guidance on how to interpret the contents of this table can be found here.

1. Act
Definition	Base definition for all types defined in FHIR type system.
Control	10..1*
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
2. Act.classCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @classCode="ACT" Act (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:81-8944).
Pattern Value	ACT
3. Act.moodCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:81-8945).
Pattern Value	EVN
4. Act.templateId
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Slicing	This element introduces a set of slices on Act.templateId. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ root
5. Act.templateId:primary
SliceName	primary
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain exactly one [1..1] templateId (CONF:81-8946) such that it
6. Act.templateId:primary.root
Definition	A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.1.19" (CONF:81-10529).
Pattern Value	2.16.840.1.113883.10.20.1.19
7. Act.id
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain exactly one [1..1] id (CONF:81-8947).
8. Act.code
Control	1..1
Binding	The codes SHALL be taken from v3 Code System ActCode; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
9. Act.entryRelationship
Control	0..*
Type	Element
Invariants	Defined on this element act-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1) ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
Slicing	This element introduces a set of slices on Act.entryRelationship. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ typeCode
10. Act.entryRelationship.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
11. Act.entryRelationship.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
12. Act.entryRelationship:target
SliceName	target
Control	1..*
Type	Element
Requirements	SHALL contain at least one [1..*] entryRelationship (CONF:81-8948) such that it
Invariants	Defined on this element 81-8951: The target of an authorization activity with act/entryRelationship/@typeCode="SUBJ" SHALL be a clinical statement with moodCode="PRMS" Promise (CONF:81-8951). (: null) 81-8952: The target of an authorization activity MAY contain one or more performer, to indicate the providers that have been authorized to provide treatment (CONF:81-8952). (: null) act-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1) ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
13. Act.entryRelationship:target.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @typeCode="SUBJ" Has Subject (CodeSystem: HL7ActRelationshipType urn:oid:2.16.840.1.113883.5.1002 STATIC) (CONF:81-8949).
Pattern Value	SUBJ
14. Act.entryRelationship:target.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true

Guidance on how to interpret the contents of this table can be found here.

1. Act
Definition	Base definition for all types defined in FHIR type system.
Control	1..1
2. Act.classCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @classCode="ACT" Act (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:81-8944).
Pattern Value	ACT
3. Act.moodCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:81-8945).
Pattern Value	EVN
4. Act.realmCode
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
5. Act.typeId
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
6. Act.templateId
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Slicing	This element introduces a set of slices on Act.templateId. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ root
7. Act.templateId:primary
SliceName	primary
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain exactly one [1..1] templateId (CONF:81-8946) such that it
8. Act.templateId:primary.nullFlavor
Definition	If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
Control	0..1
Binding	The codes SHALL be taken from NullFlavor
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
9. Act.templateId:primary.assigningAuthorityName
Definition	A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
10. Act.templateId:primary.displayable
Definition	Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
11. Act.templateId:primary.root
Definition	A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.1.19" (CONF:81-10529).
Pattern Value	2.16.840.1.113883.10.20.1.19
12. Act.templateId:primary.extension
Definition	A character string as a unique identifier within the scope of the identifier root.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
13. Act.id
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain exactly one [1..1] id (CONF:81-8947).
14. Act.code
Control	1..1
Binding	The codes SHALL be taken from v3 Code System ActCode; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
15. Act.negationInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
16. Act.text
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ED
17. Act.statusCode
Control	0..1
Binding	The codes SHALL be taken from ActStatus
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
18. Act.effectiveTime
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/IVL-TS
19. Act.priorityCode
Control	0..1
Binding	The codes SHALL be taken from ActPriority; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CE
20. Act.languageCode
Control	0..1
Binding	The codes SHALL be taken from HumanLanguage
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
21. Act.subject
Control	0..1
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
22. Act.subject.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
23. Act.subject.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 manageable, 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.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
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.
Invariants	Defined on this element 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 Act.subject.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
24. Act.subject.typeCode
Control	1..1
Binding	The codes SHALL be taken from ParticipationTargetSubject
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	SBJ
Fixed Value	SBJ
25. Act.subject.contextControlCode
Control	1..1
Binding	The codes SHALL be taken from ContextControl
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	OP
Fixed Value	OP
26. Act.subject.awarenessCode
Control	0..1
Binding	The codes SHALL be taken from TargetAwareness; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CE
27. Act.subject.relatedSubject
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RelatedSubject
28. Act.specimen
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Specimen
29. Act.performer
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Performer2
30. Act.author
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Author
31. Act.informant
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
32. Act.informant.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
33. Act.informant.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 manageable, 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.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
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.
Invariants	Defined on this element 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 Act.informant.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
34. Act.informant.typeCode
Control	1..1
Binding	The codes SHALL be taken from ParticipationInformationGenerator
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	INF
Fixed Value	INF
35. Act.informant.contextControlCode
Control	1..1
Binding	The codes SHALL be taken from ContextControl
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	OP
Fixed Value	OP
36. Act.informant.assignedEntity
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/AssignedEntity
37. Act.informant.relatedEntity
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RelatedEntity
38. Act.participant
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Participant2
39. Act.entryRelationship
Control	0..*
Type	Element
Invariants	Defined on this element act-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1) ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
Slicing	This element introduces a set of slices on Act.entryRelationship. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ typeCode
40. Act.entryRelationship.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
41. Act.entryRelationship.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 manageable, 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.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
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.
Invariants	Defined on this element 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 Act.entryRelationship.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
42. Act.entryRelationship.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
43. Act.entryRelationship.inversionInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
44. Act.entryRelationship.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
45. Act.entryRelationship.sequenceNumber
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/INT
46. Act.entryRelationship.negationInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
47. Act.entryRelationship.seperatableInd
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/BL
48. Act.entryRelationship.observation
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Observation
49. Act.entryRelationship.regionOfInterest
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest
50. Act.entryRelationship.observationMedia
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia
51. Act.entryRelationship.substanceAdministration
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration
52. Act.entryRelationship.supply
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Supply
53. Act.entryRelationship.procedure
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Procedure
54. Act.entryRelationship.encounter
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Encounter
55. Act.entryRelationship.organizer
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Organizer
56. Act.entryRelationship.act
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Act
57. Act.entryRelationship:target
SliceName	target
Control	1..*
Type	Element
Requirements	SHALL contain at least one [1..*] entryRelationship (CONF:81-8948) such that it
Invariants	Defined on this element 81-8951: The target of an authorization activity with act/entryRelationship/@typeCode="SUBJ" SHALL be a clinical statement with moodCode="PRMS" Promise (CONF:81-8951). (: ) 81-8952: The target of an authorization activity MAY contain one or more performer, to indicate the providers that have been authorized to provide treatment (CONF:81-8952). (: ) act-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1) ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
58. Act.entryRelationship:target.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
59. Act.entryRelationship:target.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 manageable, 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.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
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.
Invariants	Defined on this element 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 Act.entryRelationship.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
60. Act.entryRelationship:target.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @typeCode="SUBJ" Has Subject (CodeSystem: HL7ActRelationshipType urn:oid:2.16.840.1.113883.5.1002 STATIC) (CONF:81-8949).
Pattern Value	SUBJ
61. Act.entryRelationship:target.inversionInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
62. Act.entryRelationship:target.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
63. Act.entryRelationship:target.sequenceNumber
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/INT
64. Act.entryRelationship:target.negationInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
65. Act.entryRelationship:target.seperatableInd
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/BL
66. Act.entryRelationship:target.observation
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Observation
67. Act.entryRelationship:target.regionOfInterest
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest
68. Act.entryRelationship:target.observationMedia
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia
69. Act.entryRelationship:target.substanceAdministration
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration
70. Act.entryRelationship:target.supply
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Supply
71. Act.entryRelationship:target.procedure
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Procedure
72. Act.entryRelationship:target.encounter
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Encounter
73. Act.entryRelationship:target.organizer
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Organizer
74. Act.entryRelationship:target.act
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Act
75. Act.reference
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
76. Act.reference.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
77. Act.reference.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 manageable, 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.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
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.
Invariants	Defined on this element 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 Act.reference.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
78. Act.reference.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
79. Act.reference.seperatableInd
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/BL
80. Act.reference.externalAct
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalAct
81. Act.reference.externalObservation
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalObservation
82. Act.reference.externalProcedure
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalProcedure
83. Act.reference.externalDocument
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalDocument
84. Act.precondition
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Precondition