FHIR IG Statistics: StructureDefinition/BL
Resources that use this resource
Resources that this resource uses
| StructureDefinition |
| ANY | ANY: DataValue (V3 Data Type) |
| bl-simple | bl: Boolean |
Narrative
Note: links and images are rebased to the (stated) source
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.
Source
{
"resourceType": "StructureDefinition",
"id": "BL",
"text": {
"status": "generated",
"div": "<!-- snip (see above) -->"
},
"extension": [
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/logical-target",
"_valueBoolean": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/data-absent-reason",
"valueCode": "not-applicable"
}
]
}
},
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
"valueUri": "urn:hl7-org:v3"
},
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
"valueUri": "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
}
],
"url": "http://hl7.org/cda/stds/core/StructureDefinition/BL",
"version": "1.0.0",
"name": "BL",
"title": "BL: Boolean (V3 Data Type)",
"status": "active",
"experimental": false,
"date": "2025-07-21T22:05:27+00:00",
"publisher": "HL7",
"description": "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.",
"fhirVersion": "5.0.0",
"mapping": [
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM Mapping"
}
],
"kind": "logical",
"abstract": false,
"type": "http://hl7.org/cda/stds/core/StructureDefinition/BL",
"baseDefinition": "http://hl7.org/cda/stds/core/StructureDefinition/ANY",
"derivation": "specialization",
"snapshot": {
"extension": [
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "1.0.0"
}
],
"element": [
{
"id": "BL",
"path": "BL",
"short": "Base for all types and resources",
"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.",
"min": 1,
"max": "*",
"base": {
"path": "Base",
"min": 0,
"max": "*"
},
"constraint": [
{
"key": "value-null",
"severity": "error",
"human": "value and nullFlavor are mutually exclusive (one must be present)",
"expression": "(value | nullFlavor).count() = 1"
}
],
"isModifier": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "BL.nullFlavor",
"path": "BL.nullFlavor",
"representation": [
"xmlAttr"
],
"label": "Exceptional Value Detail",
"definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
"min": 0,
"max": "1",
"base": {
"path": "ANY.nullFlavor",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code",
"profile": [
"http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
]
}
],
"binding": {
"strength": "required",
"valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
}
},
{
"id": "BL.value",
"path": "BL.value",
"representation": [
"xmlAttr"
],
"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.",
"min": 0,
"max": "1",
"base": {
"path": "BL.value",
"min": 0,
"max": "1"
},
"type": [
{
"code": "boolean",
"profile": [
"http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
]
}
]
}
]
},
"differential": {
"element": [
{
"id": "BL",
"path": "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.",
"min": 1,
"max": "*",
"constraint": [
{
"key": "value-null",
"severity": "error",
"human": "value and nullFlavor are mutually exclusive (one must be present)",
"expression": "(value | nullFlavor).count() = 1"
}
]
},
{
"id": "BL.value",
"path": "BL.value",
"representation": [
"xmlAttr"
],
"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.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean",
"profile": [
"http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
]
}
]
}
]
}
}
FHIR