This page is part of the CDA: Clinical Document Architecture (v2.1.0-draft1: CDA 2.1 Draft) based on FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions 
| Active as of 2023-01-16 |
Definitions for the BL logical model.
Guidance on how to interpret the contents of this table can be found here.
| 1. 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. |
| Control | 1..* |
| XML Representation | In 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. |
| Control | 0..1 |
| Type | boolean |
| XML Representation | In the XML format, this property is represented as an attribute. |
Guidance on how to interpret the contents of this table can be found here.
| 1. 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. |
| Control | 10..* |
| XML Representation | In the XML format, this property has the namespace urn:hl7-org:v3. |
| Invariants | Defined on this element ele-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. |
| Control | 0..1 |
| Type | boolean |
| XML Representation | In the XML format, this property is represented as an attribute. |
Guidance on how to interpret the contents of this table can be found here.
| 1. 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. |
| Control | 1..* |
| XML Representation | In the XML format, this property has the namespace urn:hl7-org:v3. |
| 2. BL.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. |
| 3. 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. |
| Control | 0..1 |
| Type | boolean |
| XML Representation | In the XML format, this property is represented as an attribute. |