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: Section (CDA Class)

Official URL: http://hl7.org/cda/stds/core/StructureDefinition/Section Version: 2.0.1-sd
Active as of 2025-10-02 Computable Name: Section

Document sections can nest, can override context propagated from the header (See CDA Context), and can contain narrative and CDA entries.

An XML attribute "ID" of type XML ID, is added to Section within the CDA Schema. This attribute serves as the target of a linkHtml reference (see linkHtml). All values of attributes of type XML ID must be unique within the document (per the W3C XML specification).

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Template Content

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

This structure is derived from InfrastructureRoot

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... @ID 0..1 xs:ID
... @classCode 0..1 cs Binding: ActClassRecordOrganizer (required)
Fixed Value: DOCSECT
... @moodCode 0..1 cs Binding: CDAActMood (required)
Fixed Value: EVN
... code 0..1 CE
... title 0..1 ST
... text 0..1 xhtml
... confidentialityCode 0..1 CE
... languageCode 0..1 CS Binding: AllLanguages (required)
... subject 0..1 Subject
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot
.... @typeCode 0..1 cs Fixed Value: COMP
.... @contextConductionInd 0..1 bl Fixed Value: true
.... section 1..1 Section

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Section.classCode Base required ActClassRecordOrganizer 📦2.0.0 THO v5.2
Section.moodCode Base required CDAActMood 📦2.0.1-sd This IG
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... @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
... @ID 0..1 xs:ID
... @classCode 0..1 cs Binding: ActClassRecordOrganizer (required)
Fixed Value: DOCSECT
... @moodCode 0..1 cs Binding: CDAActMood (required)
Fixed Value: EVN
... id 0..1 II
... code 0..1 CE
... title 0..1 ST
... text 0..1 xhtml
... confidentialityCode 0..1 CE
... languageCode 0..1 CS Binding: AllLanguages (required)
... subject 0..1 Subject
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot
.... @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 Fixed Value: COMP
.... @contextConductionInd 0..1 bl Fixed Value: true
.... section 1..1 Section

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.classCode Base required ActClassRecordOrganizer 📦2.0.0 THO v5.2
Section.moodCode Base required CDAActMood 📦2.0.1-sd This IG
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
II-1 error Section.typeId, Section.component.typeId An II instance must have either a root or an nullFlavor. root.exists() or nullFlavor.exists()
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... @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
... @ID 0..1 xs:ID
... @classCode 0..1 cs Binding: ActClassRecordOrganizer (required)
Fixed Value: DOCSECT
... @moodCode 0..1 cs Binding: CDAActMood (required)
Fixed Value: EVN
... id 0..1 II
... code 0..1 CE
... title 0..1 ST
... text 0..1 xhtml
... confidentialityCode 0..1 CE
... languageCode 0..1 CS Binding: AllLanguages (required)
... subject 0..1 Subject
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot
.... @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 Fixed Value: COMP
.... @contextConductionInd 0..1 bl Fixed Value: true
.... section 1..1 Section

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.classCode Base required ActClassRecordOrganizer 📦2.0.0 THO v5.2
Section.moodCode Base required CDAActMood 📦2.0.1-sd This IG
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
II-1 error Section.typeId, Section.component.typeId An II instance must have either a root or an nullFlavor. root.exists() or nullFlavor.exists()

This structure is derived from InfrastructureRoot

Differential View

This structure is derived from InfrastructureRoot

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... @ID 0..1 xs:ID
... @classCode 0..1 cs Binding: ActClassRecordOrganizer (required)
Fixed Value: DOCSECT
... @moodCode 0..1 cs Binding: CDAActMood (required)
Fixed Value: EVN
... code 0..1 CE
... title 0..1 ST
... text 0..1 xhtml
... confidentialityCode 0..1 CE
... languageCode 0..1 CS Binding: AllLanguages (required)
... subject 0..1 Subject
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot
.... @typeCode 0..1 cs Fixed Value: COMP
.... @contextConductionInd 0..1 bl Fixed Value: true
.... section 1..1 Section

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Section.classCode Base required ActClassRecordOrganizer 📦2.0.0 THO v5.2
Section.moodCode Base required CDAActMood 📦2.0.1-sd This IG
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... @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
... @ID 0..1 xs:ID
... @classCode 0..1 cs Binding: ActClassRecordOrganizer (required)
Fixed Value: DOCSECT
... @moodCode 0..1 cs Binding: CDAActMood (required)
Fixed Value: EVN
... id 0..1 II
... code 0..1 CE
... title 0..1 ST
... text 0..1 xhtml
... confidentialityCode 0..1 CE
... languageCode 0..1 CS Binding: AllLanguages (required)
... subject 0..1 Subject
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot
.... @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 Fixed Value: COMP
.... @contextConductionInd 0..1 bl Fixed Value: true
.... section 1..1 Section

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.classCode Base required ActClassRecordOrganizer 📦2.0.0 THO v5.2
Section.moodCode Base required CDAActMood 📦2.0.1-sd This IG
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
II-1 error Section.typeId, Section.component.typeId An II instance must have either a root or an nullFlavor. root.exists() or nullFlavor.exists()

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Base for all types and resources

Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... @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
... @ID 0..1 xs:ID
... @classCode 0..1 cs Binding: ActClassRecordOrganizer (required)
Fixed Value: DOCSECT
... @moodCode 0..1 cs Binding: CDAActMood (required)
Fixed Value: EVN
... id 0..1 II
... code 0..1 CE
... title 0..1 ST
... text 0..1 xhtml
... confidentialityCode 0..1 CE
... languageCode 0..1 CS Binding: AllLanguages (required)
... subject 0..1 Subject
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot
.... @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 Fixed Value: COMP
.... @contextConductionInd 0..1 bl Fixed Value: true
.... section 1..1 Section

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.classCode Base required ActClassRecordOrganizer 📦2.0.0 THO v5.2
Section.moodCode Base required CDAActMood 📦2.0.1-sd This IG
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.1-sd This IG

Constraints

Id Grade Path(s) Description Expression
II-1 error Section.typeId, Section.component.typeId An II instance must have either a root or an nullFlavor. root.exists() or nullFlavor.exists()

This structure is derived from InfrastructureRoot

 

Other representations of profile: CSV, Excel