Clinical Document Architecture
2.0.1 - active

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

Logical Model: BL - Detailed Descriptions

Active as of 2023-10-03

Definitions for the BL logical model.

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

0. BL
Definition

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.

Control1..*
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
2. BL.value
Definition

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.

Control0..1
Typeboolean(bl: Boolean)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.

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

0. BL
Definition

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.


Base definition for all types defined in FHIR type system.

ShortBase for all types and resources
Control10..*
Is Modifierfalse
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
2. BL.value
Definition

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.

Control0..1
Typeboolean(bl: Boolean)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.

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

0. BL
Definition

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.

ShortBase for all types and resources
Control1..*
Is Modifierfalse
XML FormatIn the XML format, this property has the namespace urn:hl7-org:v3.
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
2. BL.nullFlavor
Definition

If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.

Control0..1
BindingThe codes SHALL be taken from NullFlavor
Typecode(cs: Coded Simple Value)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.
LabelExceptional Value Detail
4. BL.value
Definition

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.

Control0..1
Typeboolean(bl: Boolean)
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
XML FormatIn the XML format, this property is represented as an attribute.