PackagesCanonicalsLogsProblems
    Packages
    hl7.fhir.uv.xver-r5.r4@0.0.1-snapshot-1
    http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute
{
  "description": "This cross-version extension represents ConceptMap.additionalAttribute from http://hl7.org/fhir/StructureDefinition/ConceptMap|5.0.0 for use in FHIR R4.",
  "_filename": "StructureDefinition-ext-R5-ConceptMap.additionalAttribute.json",
  "package_name": "hl7.fhir.uv.xver-r5.r4",
  "date": "2025-06-03T03:14:55.963752+02:00",
  "derivation": "constraint",
  "publisher": null,
  "fhirVersion": "4.0.1",
  "name": "ext_R5_ConceptMap_additionalAttribute",
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "Cross-version Extension for R5.ConceptMap.additionalAttribute for use in FHIR R4",
  "package_version": "0.0.1-snapshot-1",
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "An additionalAttribute defines an additional data element found in the source or target data model where the data will come from or be mapped to. Some mappings are based on data in addition to the source data element, where codes in multiple fields are combined to a single field (or vice versa).",
      "isModifier": false,
      "short": "Definition of an additional attribute to act as a data source or target",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      }, {
        "map": "N/A",
        "identity": "rim"
      } ],
      "max": "*",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "id"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 2,
      "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.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "closed",
        "ordered": false,
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 1,
      "definition": "A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.",
      "isModifier": false,
      "short": "Identifies this additional attribute through this resource",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "code",
      "alias": [ "extensions", "user content" ],
      "max": "1",
      "id": "Extension.extension:code",
      "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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "id"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:code.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension.extension",
      "min": 0,
      "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.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.extension:code.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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "isModifier": false,
      "short": "identifies the meaning of the extension",
      "fixedUri": "code",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:code.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.",
      "isModifier": false,
      "short": "Identifies this additional attribute through this resource",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "max": "1",
      "id": "Extension.extension:code.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 0,
      "definition": "Reference to the formal definition of the source/target data element. For elements defined by the FHIR specification, or using a FHIR logical model, the correct format is {canonical-url}#{element-id}.",
      "isModifier": false,
      "short": "Formal identifier for the data element referred to in this attribte",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "uri",
      "alias": [ "extensions", "user content" ],
      "max": "1",
      "id": "Extension.extension:uri",
      "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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "id"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:uri.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension.extension",
      "min": 0,
      "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.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.extension:uri.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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "isModifier": false,
      "short": "identifies the meaning of the extension",
      "fixedUri": "uri",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:uri.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Reference to the formal definition of the source/target data element. For elements defined by the FHIR specification, or using a FHIR logical model, the correct format is {canonical-url}#{element-id}.",
      "isModifier": false,
      "short": "Formal identifier for the data element referred to in this attribte",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "max": "1",
      "id": "Extension.extension:uri.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 0,
      "definition": "A description of the additional attribute and/or the data element it refers to - why it is defined, and how the value might be used in mappings, and a discussion of issues associated with the use of the data element.",
      "isModifier": false,
      "short": "Why the additional attribute is defined, and/or what the data element it refers to is",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "description",
      "alias": [ "extensions", "user content" ],
      "max": "1",
      "id": "Extension.extension:description",
      "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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "id"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:description.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension.extension",
      "min": 0,
      "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.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.extension:description.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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "isModifier": false,
      "short": "identifies the meaning of the extension",
      "fixedUri": "description",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:description.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "A description of the additional attribute and/or the data element it refers to - why it is defined, and how the value might be used in mappings, and a discussion of issues associated with the use of the data element.",
      "isModifier": false,
      "short": "Why the additional attribute is defined, and/or what the data element it refers to is",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "Extension.extension:description.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 1,
      "definition": "The type of the source data contained in this concept map for this data element.",
      "isModifier": false,
      "short": "code | Coding | string | boolean | Quantity",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "type",
      "alias": [ "extensions", "user content" ],
      "max": "1",
      "id": "Extension.extension:type",
      "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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "id"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:type.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension.extension",
      "min": 0,
      "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.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.extension:type.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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "isModifier": false,
      "short": "identifies the meaning of the extension",
      "fixedUri": "type",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:type.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "The type of the source data contained in this concept map for this data element.",
      "isModifier": false,
      "short": "code | Coding | string | boolean | Quantity",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/uv/xver/5.0/ValueSet/R5-conceptmap-attribute-type-for-R4",
        "description": "The type of a mapping attribute value."
      },
      "max": "1",
      "id": "Extension.extension:type.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "isModifier": false,
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.value[x]",
      "min": 0,
      "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
      "isModifier": false,
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "base64Binary"
      }, {
        "code": "boolean"
      }, {
        "code": "canonical"
      }, {
        "code": "code"
      }, {
        "code": "date"
      }, {
        "code": "dateTime"
      }, {
        "code": "decimal"
      }, {
        "code": "id"
      }, {
        "code": "instant"
      }, {
        "code": "integer"
      }, {
        "code": "markdown"
      }, {
        "code": "oid"
      }, {
        "code": "positiveInt"
      }, {
        "code": "string"
      }, {
        "code": "time"
      }, {
        "code": "unsignedInt"
      }, {
        "code": "uri"
      }, {
        "code": "url"
      }, {
        "code": "uuid"
      }, {
        "code": "Address"
      }, {
        "code": "Age"
      }, {
        "code": "Annotation"
      }, {
        "code": "Attachment"
      }, {
        "code": "CodeableConcept"
      }, {
        "code": "Coding"
      }, {
        "code": "ContactPoint"
      }, {
        "code": "Count"
      }, {
        "code": "Distance"
      }, {
        "code": "Duration"
      }, {
        "code": "HumanName"
      }, {
        "code": "Identifier"
      }, {
        "code": "Money"
      }, {
        "code": "Period"
      }, {
        "code": "Quantity"
      }, {
        "code": "Range"
      }, {
        "code": "Ratio"
      }, {
        "code": "Reference"
      }, {
        "code": "SampledData"
      }, {
        "code": "Signature"
      }, {
        "code": "Timing"
      }, {
        "code": "ContactDetail"
      }, {
        "code": "Contributor"
      }, {
        "code": "DataRequirement"
      }, {
        "code": "Expression"
      }, {
        "code": "ParameterDefinition"
      }, {
        "code": "RelatedArtifact"
      }, {
        "code": "TriggerDefinition"
      }, {
        "code": "UsageContext"
      }, {
        "code": "Dosage"
      }, {
        "code": "Meta"
      } ],
      "max": "1",
      "id": "Extension.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    } ]
  },
  "status": "draft",
  "id": "884d475c-8099-4fe4-a8b0-aeb38a40cc42",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute",
  "context": [ {
    "type": "element",
    "expression": "ConceptMap"
  } ],
  "version": "0.0.1-snapshot-1",
  "differential": {
    "element": [ {
      "id": "Extension",
      "max": "*",
      "min": 0,
      "path": "Extension",
      "short": "Definition of an additional attribute to act as a data source or target",
      "definition": "An additionalAttribute defines an additional data element found in the source or target data model where the data will come from or be mapped to. Some mappings are based on data in addition to the source data element, where codes in multiple fields are combined to a single field (or vice versa).",
      "isModifier": false
    }, {
      "id": "Extension.extension",
      "max": "*",
      "min": 2,
      "path": "Extension.extension",
      "slicing": {
        "rules": "closed",
        "ordered": false,
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "Extension.extension:code",
      "max": "1",
      "min": 1,
      "path": "Extension.extension",
      "short": "Identifies this additional attribute through this resource",
      "sliceName": "code",
      "definition": "A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.",
      "isModifier": false
    }, {
      "id": "Extension.extension:code.value[x]",
      "base": {
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "code"
      } ],
      "short": "Identifies this additional attribute through this resource",
      "definition": "A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute."
    }, {
      "id": "Extension.extension:uri",
      "max": "1",
      "min": 0,
      "path": "Extension.extension",
      "short": "Formal identifier for the data element referred to in this attribte",
      "sliceName": "uri",
      "definition": "Reference to the formal definition of the source/target data element. For elements defined by the FHIR specification, or using a FHIR logical model, the correct format is {canonical-url}#{element-id}.",
      "isModifier": false
    }, {
      "id": "Extension.extension:uri.value[x]",
      "base": {
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "uri"
      } ],
      "short": "Formal identifier for the data element referred to in this attribte",
      "definition": "Reference to the formal definition of the source/target data element. For elements defined by the FHIR specification, or using a FHIR logical model, the correct format is {canonical-url}#{element-id}."
    }, {
      "id": "Extension.extension:description",
      "max": "1",
      "min": 0,
      "path": "Extension.extension",
      "short": "Why the additional attribute is defined, and/or what the data element it refers to is",
      "sliceName": "description",
      "definition": "A description of the additional attribute and/or the data element it refers to - why it is defined, and how the value might be used in mappings, and a discussion of issues associated with the use of the data element.",
      "isModifier": false
    }, {
      "id": "Extension.extension:description.value[x]",
      "base": {
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "string"
      } ],
      "short": "Why the additional attribute is defined, and/or what the data element it refers to is",
      "definition": "A description of the additional attribute and/or the data element it refers to - why it is defined, and how the value might be used in mappings, and a discussion of issues associated with the use of the data element."
    }, {
      "id": "Extension.extension:type",
      "max": "1",
      "min": 1,
      "path": "Extension.extension",
      "short": "code | Coding | string | boolean | Quantity",
      "sliceName": "type",
      "definition": "The type of the source data contained in this concept map for this data element.",
      "isModifier": false
    }, {
      "id": "Extension.extension:type.value[x]",
      "base": {
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "code"
      } ],
      "short": "code | Coding | string | boolean | Quantity",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/uv/xver/5.0/ValueSet/R5-conceptmap-attribute-type-for-R4",
        "description": "The type of a mapping attribute value."
      },
      "definition": "The type of the source data contained in this concept map for this data element."
    }, {
      "id": "Extension.url",
      "max": "1",
      "min": 1,
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute"
    } ]
  },
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}