Component (CDA Class) - Clinical Document Architecture v2.0.1-sd

Clinical Document Architecture
2.0.1-sd - release

Clinical Document Architecture, published by Health Level 7. This guide is not an authorized publication; it is the continuous build for version 2.0.1-sd built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/CDA-core-sd/ and changes regularly. See the Directory of published versions

Logical Model: Component (CDA Class)

Official URL: http://hl7.org/cda/stds/core/StructureDefinition/Component				Version: 2.0.1-sd
Active as of 2025-07-18				Computable Name: Component

Component (CDA Class)

Usages:

Use this Logical Model: ClinicalDocument (CDA Class)

Formal Views of Template Content

Description of Template, Differentials, Snapshots and how the different presentations work.

Key Elements Table
Differential Table
Snapshot Table
Statistics/References
All

This structure is derived from InfrastructureRoot

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Component	C	1..1	InfrastructureRoot	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: body-choice
@typeCode		0..1	cs	Binding: ActRelationshipHasComponent (required) Fixed Value: COMP
@contextConductionInd		0..1	bl	Fixed Value: true
(Choice of one)		1..1
nonXMLBody		0..1	NonXMLBody
structuredBody		0..1	StructuredBody
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet / Code	URI
Component.typeCode	required	Fixed Value: COMP `http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasComponent`

Constraints

Id	Grade	Path(s)	Details	Requirements
body-choice	error	Component	Choice of the body required. : (nonXMLBody \| structuredBody).count() = 1

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Component	C	1..1	InfrastructureRoot	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: body-choice
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
realmCode		0..*	CS
typeId	C	0..1	II	Constraints: II-1
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
@assigningAuthorityName		0..1	st
@displayable		0..1	bl
@root		1..1	oid, uuid, ruid	Fixed Value: 2.16.840.1.113883.1.3
@extension		1..1	st
templateId		0..*	II
@typeCode		0..1	cs	Binding: ActRelationshipHasComponent (required) Fixed Value: COMP
@contextConductionInd		0..1	bl	Fixed Value: true
(Choice of one)		1..1
nonXMLBody		0..1	NonXMLBody
structuredBody		0..1	StructuredBody
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Component.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeId.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeCode	required	Fixed Value: COMP `http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasComponent`

Constraints

Id	Grade	Path(s)	Details	Requirements
II-1	error	Component.typeId	An II instance must have either a root or an nullFlavor. : root.exists() or nullFlavor.exists()
body-choice	error	Component	Choice of the body required. : (nonXMLBody \| structuredBody).count() = 1

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Component	C	1..1	InfrastructureRoot	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: body-choice
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
realmCode		0..*	CS
typeId	C	0..1	II	Constraints: II-1
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
@assigningAuthorityName		0..1	st
@displayable		0..1	bl
@root		1..1	oid, uuid, ruid	Fixed Value: 2.16.840.1.113883.1.3
@extension		1..1	st
templateId		0..*	II
@typeCode		0..1	cs	Binding: ActRelationshipHasComponent (required) Fixed Value: COMP
@contextConductionInd		0..1	bl	Fixed Value: true
(Choice of one)		1..1
nonXMLBody		0..1	NonXMLBody
structuredBody		0..1	StructuredBody
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Component.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeId.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeCode	required	Fixed Value: COMP `http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasComponent`

Constraints

Id	Grade	Path(s)	Details	Requirements
II-1	error	Component.typeId	An II instance must have either a root or an nullFlavor. : root.exists() or nullFlavor.exists()
body-choice	error	Component	Choice of the body required. : (nonXMLBody \| structuredBody).count() = 1

This structure is derived from InfrastructureRoot

Summary

Fixed: 2 elements

Structures

This structure refers to these other structures:

Differential View

This structure is derived from InfrastructureRoot

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Component	C	1..1	InfrastructureRoot	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: body-choice
@typeCode		0..1	cs	Binding: ActRelationshipHasComponent (required) Fixed Value: COMP
@contextConductionInd		0..1	bl	Fixed Value: true
(Choice of one)		1..1
nonXMLBody		0..1	NonXMLBody
structuredBody		0..1	StructuredBody
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet / Code	URI
Component.typeCode	required	Fixed Value: COMP `http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasComponent`

Constraints

Id	Grade	Path(s)	Details	Requirements
body-choice	error	Component	Choice of the body required. : (nonXMLBody \| structuredBody).count() = 1

Key Elements View

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Component	C	1..1	InfrastructureRoot	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: body-choice
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
realmCode		0..*	CS
typeId	C	0..1	II	Constraints: II-1
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
@assigningAuthorityName		0..1	st
@displayable		0..1	bl
@root		1..1	oid, uuid, ruid	Fixed Value: 2.16.840.1.113883.1.3
@extension		1..1	st
templateId		0..*	II
@typeCode		0..1	cs	Binding: ActRelationshipHasComponent (required) Fixed Value: COMP
@contextConductionInd		0..1	bl	Fixed Value: true
(Choice of one)		1..1
nonXMLBody		0..1	NonXMLBody
structuredBody		0..1	StructuredBody
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Component.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeId.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeCode	required	Fixed Value: COMP `http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasComponent`

Constraints

Id	Grade	Path(s)	Details	Requirements
II-1	error	Component.typeId	An II instance must have either a root or an nullFlavor. : root.exists() or nullFlavor.exists()
body-choice	error	Component	Choice of the body required. : (nonXMLBody \| structuredBody).count() = 1

Snapshot View

Name	Flags	Card.	Type	Description & Constraints Filter: Bindings Constraints Obligations
Component	C	1..1	InfrastructureRoot	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: body-choice
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
realmCode		0..*	CS
typeId	C	0..1	II	Constraints: II-1
@nullFlavor		0..1	cs	Binding: CDANullFlavor (required)
@assigningAuthorityName		0..1	st
@displayable		0..1	bl
@root		1..1	oid, uuid, ruid	Fixed Value: 2.16.840.1.113883.1.3
@extension		1..1	st
templateId		0..*	II
@typeCode		0..1	cs	Binding: ActRelationshipHasComponent (required) Fixed Value: COMP
@contextConductionInd		0..1	bl	Fixed Value: true
(Choice of one)		1..1
nonXMLBody		0..1	NonXMLBody
structuredBody		0..1	StructuredBody
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Component.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeId.nullFlavor	required	CDANullFlavor `http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor` From this IG
Component.typeCode	required	Fixed Value: COMP `http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasComponent`

Constraints

Id	Grade	Path(s)	Details	Requirements
II-1	error	Component.typeId	An II instance must have either a root or an nullFlavor. : root.exists() or nullFlavor.exists()
body-choice	error	Component	Choice of the body required. : (nonXMLBody \| structuredBody).count() = 1

This structure is derived from InfrastructureRoot

Summary

Fixed: 2 elements

Structures

This structure refers to these other structures:

Other representations of profile: CSV, Excel

IG © 2019+ Health Level 7. Package hl7.cda.uv.core#2.0.1-sd based on FHIR 5.0.0. Generated 2025-07-18
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