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BL: Boolean (V3 Data Type) - Clinical Document Architecture v2.0.1-sd-202510-matchbox-patch

Logical Model: BL: Boolean (V3 Data Type)

Official URL:http://hl7.org/cda/stds/core/StructureDefinition/BL Version:2.0.1-sd-202510-matchbox-patch
Active as of 2025-10-29 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

Formal Views of Template Content

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

Other representations of profile: CSV, Excel

Resource Content

{
  "resourceType" : "StructureDefinition",
  "id" : "BL",
  "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" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "BL",
  "title" : "BL: Boolean (V3 Data Type)",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-10-29T22:15:57+01:00",
  "publisher" : "Health Level 7",
  "contact" : [
    {
      "name" : "HL7 International - Structured Documents",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/structure"
        },
        {
          "system" : "email",
          "value" : "structdog@lists.HL7.org"
        }
      ]
    }
  ],
  "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",
  "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"]
          }
        ]
      }
    ]
  }
}