Clinical Document Architecture, published by Health Level 7. This is not an authorized publication; it is the continuous build for version 2.0.1). This version is based on the current content of https://github.com/HL7/CDA-core-2.0/ and changes regularly. See the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• XML

Logical Model: BL: Boolean (V3 Data Type)

The Boolean type stands for the values of two-valued logic. A Boolean value can be either true or false, or, as any other value may be NULL.

Usage:

• Use this Logical Model Profile: Criterion (CDA Class), EntryRelationship (CDA Class), LanguageCommunication (CDA Class), Observation (CDA Class)... Show 6 more, ObservationRange (CDA Class), OrganizerComponent (CDA Class), Patient (CDA Class), Reference (CDA Class), SubjectPerson (CDA Class) and Supply (CDA Class)

Formal Views of Profile Content

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

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from ANY

Name	Flags	Card.	Type	Description & Constraints
BL		1..*	ANY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@value		0..1	bl
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
BL		1..*	ANY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@value		0..1	bl
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

Name	Flags	Card.	Type	Description & Constraints
BL		1..*	ANY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@nullFlavor		0..1	cs	Binding: NullFlavor (required)
@value		0..1	bl
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet
BL.nullFlavor	required	NullFlavor

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

This structure is derived from ANY

Summary

Structures

This structure refers to these other structures:

• bl: Boolean (http://hl7.org/cda/stds/core/StructureDefinition/bl-simple)

Differential View

This structure is derived from ANY

Name	Flags	Card.	Type	Description & Constraints
BL		1..*	ANY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@value		0..1	bl
Documentation for this format

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
BL		1..*	ANY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@value		0..1	bl
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
BL		1..*	ANY	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors: @nullFlavor Base for all types and resources
@nullFlavor		0..1	cs	Binding: NullFlavor (required)
@value		0..1	bl
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet
BL.nullFlavor	required	NullFlavor

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())

This structure is derived from ANY

Summary

Structures

This structure refers to these other structures:

• bl: Boolean (http://hl7.org/cda/stds/core/StructureDefinition/bl-simple)

Other representations of profile: CSV, Excel