ExternalDocument (CDA Class) - Clinical Document Architecture v2.0.1-sd-202510-matchbox-patch

• Table of Contents
• Artifacts Summary
• ExternalDocument (CDA Class)

Logical Model: ExternalDocument (CDA Class)

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

ExternalDocument is a derivative of the RIM Document class, used for representing external documents. ExternalDocument.text is modeled as an ED data type - allowing for the expression of the MIME type of the external document.

Usages:

• Use this Logical Model: Reference (CDA Class)

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" : "ExternalDocument",
  "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/xml-name",
      "valueString" : "externalDocument"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/type-profile-style",
      "valueCode" : "cda"
    }
  ],
  "url" : "http://hl7.org/cda/stds/core/StructureDefinition/ExternalDocument",
  "version" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "ExternalDocument",
  "title" : "ExternalDocument (CDA Class)",
  "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" : "ExternalDocument is a derivative of the RIM Document class, used for representing external documents. ExternalDocument.text is modeled as an ED data type - allowing for the expression of the MIME type of the external document.",
  "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/ExternalDocument",
  "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot",
  "derivation" : "specialization",
  "differential" : {
    "element" : [
      {
        "id" : "ExternalDocument",
        "path" : "ExternalDocument",
        "min" : 1,
        "max" : "1"
      },
      {
        "id" : "ExternalDocument.classCode",
        "path" : "ExternalDocument.classCode",
        "representation" : ["xmlAttr"],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "code",
            "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"]
          }
        ],
        "defaultValueCode" : "DOC",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActClassDocument"
        }
      },
      {
        "id" : "ExternalDocument.moodCode",
        "path" : "ExternalDocument.moodCode",
        "representation" : ["xmlAttr"],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "code",
            "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"]
          }
        ],
        "fixedCode" : "EVN",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDAActMood"
        }
      },
      {
        "id" : "ExternalDocument.id",
        "path" : "ExternalDocument.id",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "ExternalDocument.code",
        "path" : "ExternalDocument.code",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://hl7.org/fhir/ValueSet/doc-typecodes"
        }
      },
      {
        "id" : "ExternalDocument.text",
        "path" : "ExternalDocument.text",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "ExternalDocument.setId",
        "path" : "ExternalDocument.setId",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "ExternalDocument.versionNumber",
        "path" : "ExternalDocument.versionNumber",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/INT"
          }
        ]
      },
      {
        "id" : "ExternalDocument.sdtcAuthor",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "author"
          }
        ],
        "path" : "ExternalDocument.sdtcAuthor",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Author"
          }
        ]
      }
    ]
  }
}