PackagesCanonicalsLogsProblems
    Packages
    hl7.fhir.uv.xver-r4.r3@0.1.0
    http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.fractionDescription
{
  "description": "R4: `SubstanceSourceMaterial.fractionDescription` (new:BackboneElement)",
  "_filename": "StructureDefinition-ext-R4-SubstanceSourceMaterial.fractionDescription.json",
  "package_name": "hl7.fhir.uv.xver-r4.r3",
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "derivation": "constraint",
  "publisher": "FHIR Infrastructure",
  "fhirVersion": "3.0.2",
  "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 `SubstanceSourceMaterial.fractionDescription` as defined in FHIR R4\r\nin FHIR STU3.\r\n\r\nThe source element is defined as:\r\n`SubstanceSourceMaterial.fractionDescription` 0..* `BackboneElement`\r\n\r\nFollowing are the generation technical comments:\r\nElement `SubstanceSourceMaterial.fractionDescription` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
  "name": "ExtensionSubstanceSourceMaterial_FractionDescription",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "R4: Many complex materials are fractions of parts of plants, animals, or minerals. Fraction elements are often necessary to define both Substances and Specified Group 1 Substances. For substances derived from Plants, fraction information will be captured at the Substance information level ( . Oils, Juices and Exudates). Additional information for Extracts, such as extraction solvent composition, will be captured at the Specified Substance Group 1 information level. For plasma-derived products fraction information will be captured at the Substance and the Specified Substance Group 1 levels (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.r3"
    }, {
      "url": "version",
      "valueString": "0.1.0"
    }, {
      "url": "uri",
      "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
    } ]
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 0,
    "_valueInteger": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
      } ]
    }
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
      } ]
    }
  } ],
  "snapshot": {
    "element": [ {
      "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",
        "severity": "error",
        "expression": "hasValue() | (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",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "R4: `SubstanceSourceMaterial.fractionDescription` (new:BackboneElement)",
      "isModifier": false,
      "short": "R4: Many complex materials are fractions of parts of plants, animals, or minerals. Fraction elements are often necessary to define both Substances and Specified Group 1 Substances. For substances derived from Plants, fraction information will be captured at the Substance information level ( . Oils, Juices and Exudates). Additional information for Extracts, such as extraction solvent composition, will be captured at the Specified Substance Group 1 information level. For plasma-derived products fraction information will be captured at the Substance and the Specified Substance Group 1 levels (new)",
      "max": "*",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "comment": "Element `SubstanceSourceMaterial.fractionDescription` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription` has no mapping targets in FHIR STU3. 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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "Extension.extension",
      "min": 0,
      "definition": "An Extension",
      "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"
      }
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceSourceMaterial.fractionDescription.fraction` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceSourceMaterial.fractionDescription.fraction` (new:string)",
      "short": "R4: This element is capturing information about the fraction of a plant part, or human plasma for fractionation (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "fraction",
      "max": "1",
      "id": "Extension.extension:fraction",
      "comment": "Element `SubstanceSourceMaterial.fractionDescription.fraction` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:fraction.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "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:fraction.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"
      }
    }, {
      "path": "Extension.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "fraction",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:fraction.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"
      }
    }, {
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "This element is capturing information about the fraction of a plant part, or human plasma for fractionation.",
      "short": "This element is capturing information about the fraction of a plant part, or human plasma for fractionation",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "Extension.extension:fraction.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceSourceMaterial.fractionDescription.materialType` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceSourceMaterial.fractionDescription.materialType` (new:CodeableConcept)",
      "short": "R4: The specific type of the material constituting the component. For Herbal preparations the particulars of the extracts (liquid/dry) is described in Specified Substance Group 1 (new)",
      "type": [ {
        "code": "Extension"
      } ],
      "sliceName": "materialType",
      "max": "1",
      "id": "Extension.extension:materialType",
      "comment": "Element `SubstanceSourceMaterial.fractionDescription.materialType` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:materialType.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "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:materialType.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"
      }
    }, {
      "path": "Extension.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "materialType",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.extension:materialType.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"
      }
    }, {
      "path": "Extension.extension.value[x]",
      "min": 0,
      "definition": "The specific type of the material constituting the component. For Herbal preparations the particulars of the extracts (liquid/dry) is described in Specified Substance Group 1.",
      "short": "The specific type of the material constituting the component. For Herbal preparations the particulars of the extracts (liquid/dry) is described in Specified Substance Group 1",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "max": "1",
      "id": "Extension.extension:materialType.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.fractionDescription",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "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"
      }
    }, {
      "path": "Extension.value[x]",
      "min": 0,
      "definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "base64Binary"
      }, {
        "code": "boolean"
      }, {
        "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": "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": "Meta"
      } ],
      "max": "0",
      "id": "Extension.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "status": "active",
  "id": "82101ae8-7224-49b0-8d4d-d2e644cbcccc",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.fractionDescription",
  "context": [ "Basic" ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "R4: `SubstanceSourceMaterial.fractionDescription` (new:BackboneElement)",
      "isModifier": false,
      "short": "R4: Many complex materials are fractions of parts of plants, animals, or minerals. Fraction elements are often necessary to define both Substances and Specified Group 1 Substances. For substances derived from Plants, fraction information will be captured at the Substance information level ( . Oils, Juices and Exudates). Additional information for Extracts, such as extraction solvent composition, will be captured at the Specified Substance Group 1 information level. For plasma-derived products fraction information will be captured at the Substance and the Specified Substance Group 1 levels (new)",
      "max": "*",
      "id": "Extension",
      "comment": "Element `SubstanceSourceMaterial.fractionDescription` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription` has no mapping targets in FHIR STU3. 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 `SubstanceSourceMaterial.fractionDescription.fraction` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceSourceMaterial.fractionDescription.fraction` (new:string)",
      "short": "R4: This element is capturing information about the fraction of a plant part, or human plasma for fractionation (new)",
      "sliceName": "fraction",
      "max": "1",
      "id": "Extension.extension:fraction",
      "comment": "Element `SubstanceSourceMaterial.fractionDescription.fraction` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.fraction` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:fraction.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "fraction"
    }, {
      "id": "Extension.extension:fraction.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "string"
      } ],
      "short": "This element is capturing information about the fraction of a plant part, or human plasma for fractionation",
      "definition": "This element is capturing information about the fraction of a plant part, or human plasma for fractionation."
    }, {
      "path": "Extension.extension",
      "requirements": "Element `SubstanceSourceMaterial.fractionDescription.materialType` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "min": 0,
      "definition": "R4: `SubstanceSourceMaterial.fractionDescription.materialType` (new:CodeableConcept)",
      "short": "R4: The specific type of the material constituting the component. For Herbal preparations the particulars of the extracts (liquid/dry) is described in Specified Substance Group 1 (new)",
      "sliceName": "materialType",
      "max": "1",
      "id": "Extension.extension:materialType",
      "comment": "Element `SubstanceSourceMaterial.fractionDescription.materialType` is part of an existing definition because parent element `SubstanceSourceMaterial.fractionDescription` requires a cross-version extension.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSourceMaterial` is not mapped.\nElement `SubstanceSourceMaterial.fractionDescription.materialType` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension.extension"
      }
    }, {
      "id": "Extension.extension:materialType.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.extension.url",
      "fixedUri": "materialType"
    }, {
      "id": "Extension.extension:materialType.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.extension.value[x]",
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "short": "The specific type of the material constituting the component. For Herbal preparations the particulars of the extracts (liquid/dry) is described in Specified Substance Group 1",
      "definition": "The specific type of the material constituting the component. For Herbal preparations the particulars of the extracts (liquid/dry) is described in Specified Substance Group 1."
    }, {
      "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-SubstanceSourceMaterial.fractionDescription"
    }, {
      "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"
    } ]
  } ],
  "contextType": "resource",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}