PackagesCanonicalsLogsProblems
    Packages
    hl7.fhir.uv.xver-r4.r4b@0.1.0
    http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceReferenceInformation.target
{
  "description": "R4: `SubstanceReferenceInformation.target` (new:BackboneElement)",
  "_filename": "StructureDefinition-ext-R4-SubstanceReferenceInformation.target.json",
  "package_name": "hl7.fhir.uv.xver-r4.r4b",
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "derivation": "constraint",
  "publisher": "FHIR Infrastructure",
  "fhirVersion": "4.3.0",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `SubstanceReferenceInformation.target` as defined in FHIR R4\r\nin FHIR R4B.\r\n\r\nThe source element is defined as:\r\n`SubstanceReferenceInformation.target` 0..* `BackboneElement`\r\n\r\nFollowing are the generation technical comments:\r\nElement `SubstanceReferenceInformation.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
  "name": "ExtensionSubstanceReferenceInformation_Target",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "R4: Todo (new)",
  "package_version": "0.1.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/package-source",
    "extension": [ {
      "url": "packageId",
      "valueId": "hl7.fhir.uv.xver-r4.r4b"
    }, {
      "url": "version",
      "valueString": "0.1.0"
    }, {
      "url": "uri",
      "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
    } ]
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/version-specific-use",
    "extension": [ {
      "url": "startFhirVersion",
      "valueCode": "4.3"
    }, {
      "url": "endFhirVersion",
      "valueCode": "4.3"
    } ]
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 0,
    "_valueInteger": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
      } ]
    }
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
      } ]
    }
  } ],
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
        "xpath": "@value|f:*|h:div|self::f:Parameters",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target` (new:BackboneElement)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "max": "*",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "comment": "Element `SubstanceReferenceInformation.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "max": "*",
      "id": "Extension.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.target` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.target` (new:Identifier)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "target",
      "max": "1",
      "id": "Extension.extension:target",
      "comment": "Element `SubstanceReferenceInformation.target.target` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:target.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:target.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": "target",
      "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:target.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Identifier"
      } ],
      "max": "1",
      "id": "Extension.extension:target.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.type` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.type` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.type` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.type` (new:CodeableConcept)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "type",
      "max": "1",
      "id": "Extension.extension:type",
      "comment": "Element `SubstanceReferenceInformation.target.type` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.type` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.type` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "max": "1",
      "id": "Extension.extension:type.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.interaction` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.interaction` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.interaction` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.interaction` (new:CodeableConcept)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "interaction",
      "max": "1",
      "id": "Extension.extension:interaction",
      "comment": "Element `SubstanceReferenceInformation.target.interaction` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.interaction` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.interaction` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:interaction.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:interaction.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": "interaction",
      "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:interaction.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "max": "1",
      "id": "Extension.extension:interaction.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.organism` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organism` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organism` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.organism` (new:CodeableConcept)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "organism",
      "max": "1",
      "id": "Extension.extension:organism",
      "comment": "Element `SubstanceReferenceInformation.target.organism` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organism` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organism` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:organism.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:organism.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": "organism",
      "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:organism.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "max": "1",
      "id": "Extension.extension:organism.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.organismType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organismType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organismType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.organismType` (new:CodeableConcept)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "organismType",
      "max": "1",
      "id": "Extension.extension:organismType",
      "comment": "Element `SubstanceReferenceInformation.target.organismType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organismType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organismType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:organismType.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:organismType.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": "organismType",
      "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:organismType.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "max": "1",
      "id": "Extension.extension:organismType.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.amount[x]` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amount[x]` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amount[x]` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.amount[x]` (new:Quantity, Range, string)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "amount",
      "max": "1",
      "id": "Extension.extension:amount",
      "comment": "Element `SubstanceReferenceInformation.target.amount[x]` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amount[x]` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amount[x]` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:amount.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:amount.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": "amount",
      "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:amount.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Quantity"
      }, {
        "code": "Range"
      }, {
        "code": "string"
      } ],
      "max": "1",
      "id": "Extension.extension:amount.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.amountType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amountType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amountType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.amountType` (new:CodeableConcept)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "amountType",
      "max": "1",
      "id": "Extension.extension:amountType",
      "comment": "Element `SubstanceReferenceInformation.target.amountType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amountType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amountType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:amountType.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:amountType.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": "amountType",
      "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:amountType.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "max": "1",
      "id": "Extension.extension:amountType.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.source` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.source` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.source` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.source` (new:Reference(DocumentReference))",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "source",
      "max": "*",
      "id": "Extension.extension:source",
      "comment": "Element `SubstanceReferenceInformation.target.source` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.source` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.source` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "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:source.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
        "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:source.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": "source",
      "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:source.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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "Todo.",
      "isModifier": false,
      "short": "Todo",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/4.0/StructureDefinition/profile-DocumentReference|0.1.0", "http://hl7.org/fhir/StructureDefinition/DocumentReference|4.3.0" ]
      } ],
      "max": "1",
      "id": "Extension.extension:source.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/4.0/StructureDefinition/extension-SubstanceReferenceInformation.target",
      "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",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "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](http://hl7.org/fhir/R4B/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": "CodeableReference"
      }, {
        "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": "RatioRange"
      }, {
        "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"
      } ],
      "max": "0",
      "id": "Extension.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    } ],
    "extension": [ {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
      "valueString": "4.3.0"
    } ]
  },
  "status": "active",
  "id": "4aa04daf-38c0-4aa1-ab3c-8c5aa57164ac",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceReferenceInformation.target",
  "context": [ {
    "type": "element",
    "expression": "Basic"
  } ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target` (new:BackboneElement)",
      "isModifier": false,
      "short": "R4: Todo (new)",
      "max": "*",
      "id": "Extension",
      "comment": "Element `SubstanceReferenceInformation.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "id": "Extension.extension",
      "max": "*",
      "min": 0,
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      },
      "path": "Extension.extension",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.target` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.target` (new:Identifier)",
      "short": "R4: Todo (new)",
      "sliceName": "target",
      "max": "1",
      "id": "Extension.extension:target",
      "comment": "Element `SubstanceReferenceInformation.target.target` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.target` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.target` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:target.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "target"
    }, {
      "id": "Extension.extension:target.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "Identifier"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.type` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.type` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.type` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.type` (new:CodeableConcept)",
      "short": "R4: Todo (new)",
      "sliceName": "type",
      "max": "1",
      "id": "Extension.extension:type",
      "comment": "Element `SubstanceReferenceInformation.target.type` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.type` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.type` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:type.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "type"
    }, {
      "id": "Extension.extension:type.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.interaction` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.interaction` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.interaction` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.interaction` (new:CodeableConcept)",
      "short": "R4: Todo (new)",
      "sliceName": "interaction",
      "max": "1",
      "id": "Extension.extension:interaction",
      "comment": "Element `SubstanceReferenceInformation.target.interaction` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.interaction` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.interaction` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:interaction.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "interaction"
    }, {
      "id": "Extension.extension:interaction.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.organism` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organism` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organism` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.organism` (new:CodeableConcept)",
      "short": "R4: Todo (new)",
      "sliceName": "organism",
      "max": "1",
      "id": "Extension.extension:organism",
      "comment": "Element `SubstanceReferenceInformation.target.organism` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organism` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organism` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:organism.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "organism"
    }, {
      "id": "Extension.extension:organism.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.organismType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organismType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organismType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.organismType` (new:CodeableConcept)",
      "short": "R4: Todo (new)",
      "sliceName": "organismType",
      "max": "1",
      "id": "Extension.extension:organismType",
      "comment": "Element `SubstanceReferenceInformation.target.organismType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.organismType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.organismType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:organismType.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "organismType"
    }, {
      "id": "Extension.extension:organismType.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.amount[x]` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amount[x]` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amount[x]` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.amount[x]` (new:Quantity, Range, string)",
      "short": "R4: Todo (new)",
      "sliceName": "amount",
      "max": "1",
      "id": "Extension.extension:amount",
      "comment": "Element `SubstanceReferenceInformation.target.amount[x]` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amount[x]` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amount[x]` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:amount.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "amount"
    }, {
      "id": "Extension.extension:amount.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "Quantity"
      }, {
        "code": "Range"
      }, {
        "code": "string"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.amountType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amountType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amountType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.amountType` (new:CodeableConcept)",
      "short": "R4: Todo (new)",
      "sliceName": "amountType",
      "max": "1",
      "id": "Extension.extension:amountType",
      "comment": "Element `SubstanceReferenceInformation.target.amountType` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.amountType` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.amountType` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:amountType.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "amountType"
    }, {
      "id": "Extension.extension:amountType.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceReferenceInformation.target.source` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.source` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.source` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceReferenceInformation.target.source` (new:Reference(DocumentReference))",
      "short": "R4: Todo (new)",
      "sliceName": "source",
      "max": "*",
      "id": "Extension.extension:source",
      "comment": "Element `SubstanceReferenceInformation.target.source` is part of an existing definition because parent element `SubstanceReferenceInformation.target` requires a cross-version extension.\nElement `SubstanceReferenceInformation.target.source` is not mapped to FHIR R4B, since FHIR R4 `SubstanceReferenceInformation` is not mapped.\nElement `SubstanceReferenceInformation.target.source` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:source.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "source"
    }, {
      "id": "Extension.extension:source.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/4.0/StructureDefinition/profile-DocumentReference|0.1.0", "http://hl7.org/fhir/StructureDefinition/DocumentReference|4.3.0" ]
      } ],
      "short": "Todo",
      "definition": "Todo."
    }, {
      "id": "Extension.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceReferenceInformation.target"
    }, {
      "id": "Extension.value[x]",
      "max": "0",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.value[x]"
    } ]
  },
  "contact": [ {
    "name": "FHIR Infrastructure",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fiwg",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0"
}