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

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• Artifacts Summary
• Precondition (CDA Class)

Logical Model: Precondition (CDA Class)

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

The precondition class, derived from the ActRelationship class, is used along with the Precondition class to express a condition that must hold true before some over activity occurs.

Usages:

• Use this Logical Model: Act (CDA Class), Encounter (CDA Class), Observation (CDA Class), ObservationMedia (CDA Class)...Show 5 more,Organizer (CDA Class),Procedure (CDA Class),RegionOfInterest (CDA Class),SubstanceAdministration (CDA Class)andSupply (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" : "Precondition",
  "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" : "precondition"
    },
    {
      "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/Precondition",
  "version" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "Precondition",
  "title" : "Precondition (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" : "The precondition class, derived from the ActRelationship class, is used along with the Precondition class to express a condition that must hold true before some over activity occurs.",
  "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/Precondition",
  "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot",
  "derivation" : "specialization",
  "differential" : {
    "element" : [
      {
        "id" : "Precondition",
        "path" : "Precondition",
        "min" : 1,
        "max" : "1"
      },
      {
        "id" : "Precondition.typeCode",
        "path" : "Precondition.typeCode",
        "representation" : ["xmlAttr"],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "code",
            "profile" : ["http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"]
          }
        ],
        "fixedCode" : "PRCN",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDAActRelationshipType"
        }
      },
      {
        "id" : "Precondition.criterion",
        "path" : "Precondition.criterion",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Criterion"
          }
        ]
      }
    ]
  }
}