Clinical Document Architecture with Australian Schema - Local Development build (v1.0.1) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
| Official URL: http://hl7.org/cda/stds/core/StructureDefinition/BL | Version: 1.0.1 | |||
| Active as of 2025-10-10 | Maturity Level: 1 | Responsible: HL7 | Computable Name: BL | |
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.
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
C | 1..* | ANY | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor Logical Container: ClinicalDocument (CDA Class) Constraints: value-null |
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1..1 | |||
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0..1 | cs | Binding: CDANullFlavor (required) | |
![]() ![]() ![]() |
0..1 | bl | ||
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| BL.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| value-null | error | BL | value and nullFlavor are mutually exclusive (one must be present) |
(value | nullFlavor).count() = 1
|
This structure is derived from ANY
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
C | 1..* | ANY | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor Logical Container: ClinicalDocument (CDA Class) Constraints: value-null |
![]() ![]() |
0..1 | bl | ||
Documentation for this format | ||||
| Id | Grade | Path(s) | Description | Expression |
| value-null | error | BL | value and nullFlavor are mutually exclusive (one must be present) |
(value | nullFlavor).count() = 1
|
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
C | 1..* | ANY | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor Logical Container: ClinicalDocument (CDA Class) Constraints: value-null |
![]() ![]() |
1..1 | |||
![]() ![]() ![]() |
0..1 | cs | Binding: CDANullFlavor (required) | |
![]() ![]() ![]() |
0..1 | bl | ||
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| BL.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| value-null | error | BL | value and nullFlavor are mutually exclusive (one must be present) |
(value | nullFlavor).count() = 1
|
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
C | 1..* | ANY | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor Logical Container: ClinicalDocument (CDA Class) Constraints: value-null |
![]() ![]() |
1..1 | |||
![]() ![]() ![]() |
0..1 | cs | Binding: CDANullFlavor (required) | |
![]() ![]() ![]() |
0..1 | bl | ||
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| BL.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| value-null | error | BL | value and nullFlavor are mutually exclusive (one must be present) |
(value | nullFlavor).count() = 1
|
Differential View
This structure is derived from ANY
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
C | 1..* | ANY | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor Logical Container: ClinicalDocument (CDA Class) Constraints: value-null |
![]() ![]() |
0..1 | bl | ||
Documentation for this format | ||||
| Id | Grade | Path(s) | Description | Expression |
| value-null | error | BL | value and nullFlavor are mutually exclusive (one must be present) |
(value | nullFlavor).count() = 1
|
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
C | 1..* | ANY | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor Logical Container: ClinicalDocument (CDA Class) Constraints: value-null |
![]() ![]() |
1..1 | |||
![]() ![]() ![]() |
0..1 | cs | Binding: CDANullFlavor (required) | |
![]() ![]() ![]() |
0..1 | bl | ||
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| BL.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| value-null | error | BL | value and nullFlavor are mutually exclusive (one must be present) |
(value | nullFlavor).count() = 1
|