R4 Ballot #2 (Mixed Normative/Trial use)

This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Element.profile.json

Modeling and Methodology Work GroupMaturity Level: N/ABallot Status: Informative

Raw JSON (canonical form + also see JSON Format Specification)

StructureDefinition for Element

{
  "resourceType" : "StructureDefinition",
  "id" : "Element",
  "meta" : {
    "lastUpdated" : "2018-08-19T21:48:56.559+10:00"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueString" : "Normative"
  }],
  "url" : "http://hl7.org/fhir/StructureDefinition/Element",
  "name" : "Element",
  "status" : "draft",
  "date" : "2018-08-19T21:48:56+10:00",
  "publisher" : "HL7 FHIR Standard",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  }],
  "description" : "Base StructureDefinition for Element Type: Base definition for all elements in a resource.",
  "fhirVersion" : "3.5.0",
  "mapping" : [{
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "complex-type",
  "abstract" : true,
  "type" : "Element",
  "snapshot" : {
    "element" : [{
      "id" : "Element",
      "path" : "Element",
      "short" : "Base for all elements",
      "definition" : "Base definition for all elements in a resource.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element",
        "min" : 0,
        "max" : "*"
      },
      "condition" : ["ele-1"],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div"
      }],
      "isModifier" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Element.id",
      "path" : "Element.id",
      "representation" : ["xmlAttr"],
      "short" : "xml:id (or equivalent in JSON)",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "_code" : {
          "extension" : [{
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type",
            "valueString" : "string"
          },
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type",
            "valueString" : "xsd:string"
          },
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type",
            "valueString" : "xsd:string"
          }]
        }
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Element.extension",
      "path" : "Element.extension",
      "slicing" : {
        "discriminator" : [{
          "type" : "value",
          "path" : "url"
        }],
        "description" : "Extensions are always sliced by (at least) url",
        "rules" : "open"
      },
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "Element",
      "path" : "Element",
      "short" : "Base for all elements",
      "definition" : "Base definition for all elements in a resource.",
      "min" : 0,
      "max" : "*",
      "condition" : ["ele-1"],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Element.id",
      "path" : "Element.id",
      "representation" : ["xmlAttr"],
      "short" : "xml:id (or equivalent in JSON)",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "_code" : {
          "extension" : [{
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type",
            "valueString" : "string"
          },
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type",
            "valueString" : "xsd:string"
          },
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type",
            "valueString" : "xsd:string"
          }]
        }
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Element.extension",
      "path" : "Element.extension",
      "slicing" : {
        "discriminator" : [{
          "type" : "value",
          "path" : "url"
        }],
        "description" : "Extensions are always sliced by (at least) url",
        "rules" : "open"
      },
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Extension"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    }]
  }
}

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.