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

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

Logical Model: ExternalAct (CDA Class)

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

ExternalAct is a derivative of the RIM Act class, to be used when the other more specific classes are not appropriate.

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" : "ExternalAct",
  "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" : "externalAct"
    },
    {
      "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/ExternalAct",
  "version" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "ExternalAct",
  "title" : "ExternalAct (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" : "ExternalAct is a derivative of the RIM Act class, to be used when the other more specific classes are not appropriate.",
  "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/ExternalAct",
  "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot",
  "derivation" : "specialization",
  "differential" : {
    "element" : [
      {
        "id" : "ExternalAct",
        "path" : "ExternalAct",
        "min" : 1,
        "max" : "1"
      },
      {
        "id" : "ExternalAct.classCode",
        "path" : "ExternalAct.classCode",
        "representation" : ["xmlAttr"],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "code",
            "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"]
          }
        ],
        "defaultValueCode" : "ACT",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDAActClass"
        }
      },
      {
        "id" : "ExternalAct.moodCode",
        "path" : "ExternalAct.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" : "ExternalAct.id",
        "path" : "ExternalAct.id",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "ExternalAct.code",
        "path" : "ExternalAct.code",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActCode"
        }
      },
      {
        "id" : "ExternalAct.text",
        "path" : "ExternalAct.text",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "ExternalAct.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" : "ExternalAct.sdtcAuthor",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Author"
          }
        ]
      }
    ]
  }
}