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Packagehl7.fhir.uv.xver-r4.r3
Resource TypeStructureDefinition
IdStructureDefinition-profile-SubstanceSpecification.json
FHIR VersionR3
Sourcehttp://hl7.org/fhir/uv/xver-r4.r3/0.1.0/StructureDefinition-profile-SubstanceSpecification.html
URLhttp://hl7.org/fhir/4.0/StructureDefinition/profile-SubstanceSpecification
Version0.1.0
Statusactive
Date2026-03-17T16:03:29.8834112-05:00
NameProfile_R4_SubstanceSpecification_R3
TitleCross-version Profile for R4.SubstanceSpecification for use in FHIR STU3
Realmuv
Authorityhl7
DescriptionThis cross-version profile allows R4 SubstanceSpecification content to be represented via FHIR STU3 Basic resources.
TypeBasic
Kindresource

Resources that use this resource

StructureDefinition
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.propertyR4: General specifications for this substance, including how it is related to other substances (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.relationshipR4: A link between this substance and another, with details of the relationship (new)

Resources that this resource uses

StructureDefinition
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.codeR4: Codes associated with the substance (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.commentR4: Textual comment about this record of a substance (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.descriptionR4: Textual description of the substance (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.domainR4: If the substance applies to only human or veterinary use (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.moietyR4: Moiety, for structural modifications (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.nameR4: Names applicable to this substance (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.nucleicAcidR4: Data items specific to nucleic acids (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.polymerR4: Data items specific to polymers (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.propertyR4: General specifications for this substance, including how it is related to other substances (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.proteinR4: Data items specific to proteins (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.referenceInformationR4: General information detailing this substance (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.relationshipR4: A link between this substance and another, with details of the relationship (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.sourceR4: Supporting literature (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.sourceMaterialR4: Material or taxonomic/anatomical source for the substance (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.statusR4: Status of substance within the catalogue e.g. approved (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.structureR4: Structural information (new)
hl7.fhir.uv.xver-r4.r3#0.1.0extension-SubstanceSpecification.structure.isotope.molecularWeightR4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)
hl7.fhir.uv.xver-r4.r4b#0.1.0extension-SubstanceSpecification.typeR4: High level categorization, e.g. polymer or nucleic acid (new)

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition profile-SubstanceSpecification

NameFlagsCard.TypeDescription & Constraintsdoco
.. Basic 0..*BasicResource for non-supported content
... Slices for extension 0..*ExtensionExtension
Slice: Unordered, Open by value:url
.... extension:type 0..1CodeableConceptR4: High level categorization, e.g. polymer or nucleic acid (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.type
.... extension:status 0..1CodeableConceptR4: Status of substance within the catalogue e.g. approved (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.status
.... extension:domain 0..1CodeableConceptR4: If the substance applies to only human or veterinary use (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.domain
.... extension:description 0..1stringR4: Textual description of the substance (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.description
.... extension:source 0..*Reference(Cross-version Profile for R4.DocumentReference for use in FHIR STU3(0.1.0) | DocumentReference)R4: Supporting literature (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.source
.... extension:comment 0..1stringR4: Textual comment about this record of a substance (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.comment
.... extension:moiety 0..*(Complex)R4: Moiety, for structural modifications (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.moiety
.... extension:property 0..*(Complex)R4: General specifications for this substance, including how it is related to other substances (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.property
.... extension:referenceInformation 0..1Reference(Cross-version Profile for R4.SubstanceReferenceInformation for use in FHIR STU3(0.1.0) | Basic)R4: General information detailing this substance (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.referenceInformation
.... extension:structure 0..1(Complex)R4: Structural information (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure
.... extension:molecularWeight 0..1(Complex)R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight
.... extension:molecularWeight 0..1(Complex)R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight
.... extension:code 0..*(Complex)R4: Codes associated with the substance (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.code
.... extension:name 0..*(Complex)R4: Names applicable to this substance (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name
.... extension:synonym 0..*(Complex)R4: A synonym of this name (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name
.... extension:translation 0..*(Complex)R4: A translation for this name (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name
.... extension:molecularWeight 0..*(Complex)R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight
.... extension:relationship 0..*(Complex)R4: A link between this substance and another, with details of the relationship (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship
.... extension:nucleicAcid 0..1Reference(Cross-version Profile for R4.SubstanceNucleicAcid for use in FHIR STU3(0.1.0) | Basic)R4: Data items specific to nucleic acids (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.nucleicAcid
.... extension:polymer 0..1Reference(Cross-version Profile for R4.SubstancePolymer for use in FHIR STU3(0.1.0) | Basic)R4: Data items specific to polymers (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.polymer
.... extension:protein 0..1Reference(Cross-version Profile for R4.SubstanceProtein for use in FHIR STU3(0.1.0) | Basic)R4: Data items specific to proteins (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.protein
.... extension:sourceMaterial 0..1Reference(Cross-version Profile for R4.SubstanceSourceMaterial for use in FHIR STU3(0.1.0) | Basic)R4: Material or taxonomic/anatomical source for the substance (new)
URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.sourceMaterial

doco Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "profile-SubstanceSpecification",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "extension": [
        {
          "url": "packageId",
          "valueId": "hl7.fhir.uv.xver-r4.r3"
        },
        {
          "url": "version",
          "valueString": "0.1.0"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/package-source"
    },
    {
      "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"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/4.0/StructureDefinition/profile-SubstanceSpecification",
  "version": "0.1.0",
  "name": "Profile_R4_SubstanceSpecification_R3",
  "title": "Cross-version Profile for R4.SubstanceSpecification for use in FHIR STU3",
  "status": "active",
  "experimental": false,
  "date": "2026-03-17T16:03:29.8834112-05:00",
  "publisher": "FHIR Infrastructure",
  "contact": [
    {
      "name": "FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "This cross-version profile allows R4 SubstanceSpecification content to be represented via FHIR STU3 Basic resources.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "fhirVersion": "3.0.2",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    },
    {
      "identity": "w5",
      "uri": "http://hl7.org/fhir/w5",
      "name": "W5 Mapping"
    }
  ],
  "kind": "resource",
  "abstract": false,
  "type": "Basic",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Basic",
  "derivation": "constraint",
  "snapshot": {
    "element": [
      {
        "id": "Basic",
        "path": "Basic",
        "short": "Resource for non-supported content",
        "definition": "Basic is used for handling concepts not yet defined in FHIR, narrative-only resources that don't map to an existing resource, and custom resources not appropriate for inclusion in the FHIR specification.",
        "alias": [
          "Z-resource",
          "Extension-resource",
          "Custom-resource"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Basic",
          "min": 0,
          "max": "*"
        },
        "constraint": [
          {
            "key": "dom-2",
            "severity": "error",
            "human": "If the resource is contained in another resource, it SHALL NOT contain nested Resources",
            "expression": "contained.contained.empty()",
            "xpath": "not(parent::f:contained and f:contained)",
            "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
          },
          {
            "key": "dom-1",
            "severity": "error",
            "human": "If the resource is contained in another resource, it SHALL NOT contain any narrative",
            "expression": "contained.text.empty()",
            "xpath": "not(parent::f:contained and f:text)",
            "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
          },
          {
            "key": "dom-4",
            "severity": "error",
            "human": "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated",
            "expression": "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()",
            "xpath": "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))",
            "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
          },
          {
            "key": "dom-3",
            "severity": "error",
            "human": "If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource",
            "expression": "contained.where(('#'+id in %resource.descendants().reference).not()).empty()",
            "xpath": "not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat('#', $id))]))",
            "source": "http://hl7.org/fhir/StructureDefinition/DomainResource"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "Entity. Role, or Act"
          },
          {
            "identity": "rim",
            "map": "Act, Entity or Role"
          },
          {
            "identity": "w5",
            "map": "infrastructure.structure"
          }
        ]
      },
      {
        "id": "Basic.id",
        "path": "Basic.id",
        "short": "Logical id of this artifact",
        "definition": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
        "comment": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Resource.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "id"
          }
        ],
        "isSummary": true
      },
      {
        "id": "Basic.meta",
        "path": "Basic.meta",
        "short": "Metadata about the resource",
        "definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Resource.meta",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Meta"
          }
        ],
        "isSummary": true
      },
      {
        "id": "Basic.implicitRules",
        "path": "Basic.implicitRules",
        "short": "A set of rules under which this content was created",
        "definition": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content.",
        "comment": "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. \n\nThis element is labelled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Resource.implicitRules",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "isModifier": true,
        "isSummary": true
      },
      {
        "id": "Basic.language",
        "path": "Basic.language",
        "short": "Language of the resource content",
        "definition": "The base language in which the resource is written.",
        "comment": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource  Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Resource.language",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "extension": [
            {
              "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
              "valueReference": {
                "reference": "http://hl7.org/fhir/ValueSet/all-languages|3.0.2"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString": "Language"
            }
          ],
          "strength": "extensible",
          "description": "A human language.",
          "valueSetReference": {
            "reference": "http://hl7.org/fhir/ValueSet/languages|3.0.2"
          }
        }
      },
      {
        "id": "Basic.text",
        "path": "Basic.text",
        "short": "Text summary of the resource, for human interpretation",
        "definition": "A human-readable narrative that contains a summary of the resource, and may be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
        "comment": "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded in formation is added later.",
        "alias": [
          "narrative",
          "html",
          "xhtml",
          "display"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.text",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Narrative"
          }
        ],
        "condition": [
          "dom-1"
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "Act.text?"
          }
        ]
      },
      {
        "id": "Basic.contained",
        "path": "Basic.contained",
        "short": "Contained, inline Resources",
        "definition": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
        "comment": "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again.",
        "alias": [
          "inline resources",
          "anonymous resources",
          "contained resources"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.contained",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Resource"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Basic.extension",
        "path": "Basic.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Basic.extension:type",
        "path": "Basic.extension",
        "sliceName": "type",
        "short": "R4: High level categorization, e.g. polymer or nucleic acid (new)",
        "definition": "R4: `SubstanceSpecification.type` (new:CodeableConcept)",
        "comment": "Element `SubstanceSpecification.type` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.type` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.type|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:status",
        "path": "Basic.extension",
        "sliceName": "status",
        "short": "R4: Status of substance within the catalogue e.g. approved (new)",
        "definition": "R4: `SubstanceSpecification.status` (new:CodeableConcept)",
        "comment": "Element `SubstanceSpecification.status` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.status` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.status|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:domain",
        "path": "Basic.extension",
        "sliceName": "domain",
        "short": "R4: If the substance applies to only human or veterinary use (new)",
        "definition": "R4: `SubstanceSpecification.domain` (new:CodeableConcept)",
        "comment": "Element `SubstanceSpecification.domain` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.domain` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.domain|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:description",
        "path": "Basic.extension",
        "sliceName": "description",
        "short": "R4: Textual description of the substance (new)",
        "definition": "R4: `SubstanceSpecification.description` (new:string)",
        "comment": "Element `SubstanceSpecification.description` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.description` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.description|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:source",
        "path": "Basic.extension",
        "sliceName": "source",
        "short": "R4: Supporting literature (new)",
        "definition": "R4: `SubstanceSpecification.source` (new:Reference(DocumentReference))",
        "comment": "Element `SubstanceSpecification.source` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.source` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.source|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:comment",
        "path": "Basic.extension",
        "sliceName": "comment",
        "short": "R4: Textual comment about this record of a substance (new)",
        "definition": "R4: `SubstanceSpecification.comment` (new:string)",
        "comment": "Element `SubstanceSpecification.comment` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.comment` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.comment|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:moiety",
        "path": "Basic.extension",
        "sliceName": "moiety",
        "short": "R4: Moiety, for structural modifications (new)",
        "definition": "R4: `SubstanceSpecification.moiety` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.moiety` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.moiety` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.moiety|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:property",
        "path": "Basic.extension",
        "sliceName": "property",
        "short": "R4: General specifications for this substance, including how it is related to other substances (new)",
        "definition": "R4: `SubstanceSpecification.property` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.property` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.property` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.property|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:referenceInformation",
        "path": "Basic.extension",
        "sliceName": "referenceInformation",
        "short": "R4: General information detailing this substance (new)",
        "definition": "R4: `SubstanceSpecification.referenceInformation` (new:Reference(SubstanceReferenceInformation))",
        "comment": "Element `SubstanceSpecification.referenceInformation` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.referenceInformation` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.referenceInformation|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:structure",
        "path": "Basic.extension",
        "sliceName": "structure",
        "short": "R4: Structural information (new)",
        "definition": "R4: `SubstanceSpecification.structure` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.structure` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.structure` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:molecularWeight",
        "path": "Basic.extension",
        "sliceName": "molecularWeight",
        "short": "R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)",
        "definition": "R4: `SubstanceSpecification.structure.isotope.molecularWeight` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.structure.isotope.molecularWeight` is part of an existing definition because parent element `SubstanceSpecification.structure.isotope` requires a cross-version extension.\nElement `SubstanceSpecification.structure.isotope.molecularWeight` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.structure.isotope.molecularWeight` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:molecularWeight",
        "path": "Basic.extension",
        "sliceName": "molecularWeight",
        "short": "R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)",
        "definition": "R4: `SubstanceSpecification.structure.molecularWeight` (new:SubstanceSpecification.structure.isotope.molecularWeight)",
        "comment": "Element `SubstanceSpecification.structure.molecularWeight` is part of an existing definition because parent element `SubstanceSpecification.structure` requires a cross-version extension.\nElement `SubstanceSpecification.structure.molecularWeight` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.structure.molecularWeight` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:code",
        "path": "Basic.extension",
        "sliceName": "code",
        "short": "R4: Codes associated with the substance (new)",
        "definition": "R4: `SubstanceSpecification.code` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.code` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.code` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.code|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:name",
        "path": "Basic.extension",
        "sliceName": "name",
        "short": "R4: Names applicable to this substance (new)",
        "definition": "R4: `SubstanceSpecification.name` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.name` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.name` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:synonym",
        "path": "Basic.extension",
        "sliceName": "synonym",
        "short": "R4: A synonym of this name (new)",
        "definition": "R4: `SubstanceSpecification.name.synonym` (new:SubstanceSpecification.name)",
        "comment": "Element `SubstanceSpecification.name.synonym` is part of an existing definition because parent element `SubstanceSpecification.name` requires a cross-version extension.\nElement `SubstanceSpecification.name.synonym` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.name.synonym` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:translation",
        "path": "Basic.extension",
        "sliceName": "translation",
        "short": "R4: A translation for this name (new)",
        "definition": "R4: `SubstanceSpecification.name.translation` (new:SubstanceSpecification.name)",
        "comment": "Element `SubstanceSpecification.name.translation` is part of an existing definition because parent element `SubstanceSpecification.name` requires a cross-version extension.\nElement `SubstanceSpecification.name.translation` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.name.translation` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:molecularWeight",
        "path": "Basic.extension",
        "sliceName": "molecularWeight",
        "short": "R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)",
        "definition": "R4: `SubstanceSpecification.molecularWeight` (new:SubstanceSpecification.structure.isotope.molecularWeight)",
        "comment": "Element `SubstanceSpecification.molecularWeight` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.molecularWeight` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:relationship",
        "path": "Basic.extension",
        "sliceName": "relationship",
        "short": "R4: A link between this substance and another, with details of the relationship (new)",
        "definition": "R4: `SubstanceSpecification.relationship` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.relationship` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.relationship` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:nucleicAcid",
        "path": "Basic.extension",
        "sliceName": "nucleicAcid",
        "short": "R4: Data items specific to nucleic acids (new)",
        "definition": "R4: `SubstanceSpecification.nucleicAcid` (new:Reference(SubstanceNucleicAcid))",
        "comment": "Element `SubstanceSpecification.nucleicAcid` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.nucleicAcid` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.nucleicAcid|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:polymer",
        "path": "Basic.extension",
        "sliceName": "polymer",
        "short": "R4: Data items specific to polymers (new)",
        "definition": "R4: `SubstanceSpecification.polymer` (new:Reference(SubstancePolymer))",
        "comment": "Element `SubstanceSpecification.polymer` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.polymer` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.polymer|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:protein",
        "path": "Basic.extension",
        "sliceName": "protein",
        "short": "R4: Data items specific to proteins (new)",
        "definition": "R4: `SubstanceSpecification.protein` (new:Reference(SubstanceProtein))",
        "comment": "Element `SubstanceSpecification.protein` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.protein` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.protein|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.extension:sourceMaterial",
        "path": "Basic.extension",
        "sliceName": "sourceMaterial",
        "short": "R4: Material or taxonomic/anatomical source for the substance (new)",
        "definition": "R4: `SubstanceSpecification.sourceMaterial` (new:Reference(SubstanceSourceMaterial))",
        "comment": "Element `SubstanceSpecification.sourceMaterial` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.sourceMaterial` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.sourceMaterial|0.1.0"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Basic.modifierExtension",
        "path": "Basic.modifierExtension",
        "short": "Extensions that cannot be ignored",
        "definition": "May be used to represent additional information that is not part of the basic definition of the resource, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Basic.identifier",
        "path": "Basic.identifier",
        "short": "Business identifier",
        "definition": "Identifier assigned to the resource for business purposes, outside the context of FHIR.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Basic.identifier",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "./identifier"
          },
          {
            "identity": "w5",
            "map": "id"
          }
        ]
      },
      {
        "id": "Basic.code",
        "path": "Basic.code",
        "short": "Kind of Resource",
        "definition": "Identifies the 'type' of resource - equivalent to the resource name for other resources.",
        "comment": "Because resource references will only be able to indicate 'Basic', the type of reference will need to be specified in a Profile identified as part of the resource.  Refer to the resource notes section for information on appropriate terminologies for this code.\n\nThis element is labeled as a modifier because the it defines the meaning of the resource and cannot be ignored.",
        "requirements": "Must be able to distinguish different types of Basic resources.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Basic.code",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "isModifier": true,
        "isSummary": true,
        "binding": {
          "extension": [
            {
              "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
              "valueString": "BasicResourceType"
            }
          ],
          "strength": "example",
          "description": "Codes for identifying types of resources not yet defined by FHIR",
          "valueSetReference": {
            "reference": "http://hl7.org/fhir/ValueSet/basic-resource-type|3.0.2"
          }
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "./code"
          },
          {
            "identity": "w5",
            "map": "what"
          }
        ]
      },
      {
        "id": "Basic.subject",
        "path": "Basic.subject",
        "short": "Identifies the focus of this resource",
        "definition": "Identifies the patient, practitioner, device or any other resource that is the \"focus\" of this resource.",
        "comment": "Optional as not all potential resources will have subjects.  Resources associated with multiple subjects can handle this via extension.",
        "requirements": "Needed for partitioning the resource by Patient.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Basic.subject",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/StructureDefinition/Resource"
          }
        ],
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "./participation[typeCode='SBJ'] (possibly through a ControlAct and Role)"
          },
          {
            "identity": "w5",
            "map": "who.focus"
          }
        ]
      },
      {
        "id": "Basic.created",
        "path": "Basic.created",
        "short": "When created",
        "definition": "Identifies when the resource was first created.",
        "requirements": "Allows ordering resource instances by time.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Basic.created",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "date"
          }
        ],
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "./participation[typeCode='AUT']/time (possibly through a ControlAct and Role)"
          },
          {
            "identity": "w5",
            "map": "when.recorded"
          }
        ]
      },
      {
        "id": "Basic.author",
        "path": "Basic.author",
        "short": "Who created",
        "definition": "Indicates who was responsible for creating the resource instance.",
        "requirements": "Needed for partitioning the resource.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Basic.author",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/StructureDefinition/Practitioner"
          },
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/StructureDefinition/Patient"
          },
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/StructureDefinition/RelatedPerson"
          }
        ],
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "./participation[typeCode='SUB'] (possibly through a ControlAct and Role)"
          },
          {
            "identity": "w5",
            "map": "who.author"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Basic",
        "path": "Basic"
      },
      {
        "id": "Basic.extension",
        "path": "Basic.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*"
      },
      {
        "id": "Basic.extension:type",
        "path": "Basic.extension",
        "sliceName": "type",
        "short": "R4: High level categorization, e.g. polymer or nucleic acid (new)",
        "definition": "R4: `SubstanceSpecification.type` (new:CodeableConcept)",
        "comment": "Element `SubstanceSpecification.type` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.type` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.type|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:status",
        "path": "Basic.extension",
        "sliceName": "status",
        "short": "R4: Status of substance within the catalogue e.g. approved (new)",
        "definition": "R4: `SubstanceSpecification.status` (new:CodeableConcept)",
        "comment": "Element `SubstanceSpecification.status` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.status` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.status|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:domain",
        "path": "Basic.extension",
        "sliceName": "domain",
        "short": "R4: If the substance applies to only human or veterinary use (new)",
        "definition": "R4: `SubstanceSpecification.domain` (new:CodeableConcept)",
        "comment": "Element `SubstanceSpecification.domain` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.domain` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.domain|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:description",
        "path": "Basic.extension",
        "sliceName": "description",
        "short": "R4: Textual description of the substance (new)",
        "definition": "R4: `SubstanceSpecification.description` (new:string)",
        "comment": "Element `SubstanceSpecification.description` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.description` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.description|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:source",
        "path": "Basic.extension",
        "sliceName": "source",
        "short": "R4: Supporting literature (new)",
        "definition": "R4: `SubstanceSpecification.source` (new:Reference(DocumentReference))",
        "comment": "Element `SubstanceSpecification.source` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.source` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.source|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:comment",
        "path": "Basic.extension",
        "sliceName": "comment",
        "short": "R4: Textual comment about this record of a substance (new)",
        "definition": "R4: `SubstanceSpecification.comment` (new:string)",
        "comment": "Element `SubstanceSpecification.comment` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.comment` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.comment|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:moiety",
        "path": "Basic.extension",
        "sliceName": "moiety",
        "short": "R4: Moiety, for structural modifications (new)",
        "definition": "R4: `SubstanceSpecification.moiety` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.moiety` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.moiety` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.moiety|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:property",
        "path": "Basic.extension",
        "sliceName": "property",
        "short": "R4: General specifications for this substance, including how it is related to other substances (new)",
        "definition": "R4: `SubstanceSpecification.property` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.property` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.property` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.property|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:referenceInformation",
        "path": "Basic.extension",
        "sliceName": "referenceInformation",
        "short": "R4: General information detailing this substance (new)",
        "definition": "R4: `SubstanceSpecification.referenceInformation` (new:Reference(SubstanceReferenceInformation))",
        "comment": "Element `SubstanceSpecification.referenceInformation` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.referenceInformation` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.referenceInformation|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:structure",
        "path": "Basic.extension",
        "sliceName": "structure",
        "short": "R4: Structural information (new)",
        "definition": "R4: `SubstanceSpecification.structure` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.structure` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.structure` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:molecularWeight",
        "path": "Basic.extension",
        "sliceName": "molecularWeight",
        "short": "R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)",
        "definition": "R4: `SubstanceSpecification.structure.isotope.molecularWeight` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.structure.isotope.molecularWeight` is part of an existing definition because parent element `SubstanceSpecification.structure.isotope` requires a cross-version extension.\nElement `SubstanceSpecification.structure.isotope.molecularWeight` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.structure.isotope.molecularWeight` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:molecularWeight",
        "path": "Basic.extension",
        "sliceName": "molecularWeight",
        "short": "R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)",
        "definition": "R4: `SubstanceSpecification.structure.molecularWeight` (new:SubstanceSpecification.structure.isotope.molecularWeight)",
        "comment": "Element `SubstanceSpecification.structure.molecularWeight` is part of an existing definition because parent element `SubstanceSpecification.structure` requires a cross-version extension.\nElement `SubstanceSpecification.structure.molecularWeight` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.structure.molecularWeight` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:code",
        "path": "Basic.extension",
        "sliceName": "code",
        "short": "R4: Codes associated with the substance (new)",
        "definition": "R4: `SubstanceSpecification.code` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.code` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.code` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.code|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:name",
        "path": "Basic.extension",
        "sliceName": "name",
        "short": "R4: Names applicable to this substance (new)",
        "definition": "R4: `SubstanceSpecification.name` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.name` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.name` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:synonym",
        "path": "Basic.extension",
        "sliceName": "synonym",
        "short": "R4: A synonym of this name (new)",
        "definition": "R4: `SubstanceSpecification.name.synonym` (new:SubstanceSpecification.name)",
        "comment": "Element `SubstanceSpecification.name.synonym` is part of an existing definition because parent element `SubstanceSpecification.name` requires a cross-version extension.\nElement `SubstanceSpecification.name.synonym` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.name.synonym` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:translation",
        "path": "Basic.extension",
        "sliceName": "translation",
        "short": "R4: A translation for this name (new)",
        "definition": "R4: `SubstanceSpecification.name.translation` (new:SubstanceSpecification.name)",
        "comment": "Element `SubstanceSpecification.name.translation` is part of an existing definition because parent element `SubstanceSpecification.name` requires a cross-version extension.\nElement `SubstanceSpecification.name.translation` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.name.translation` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.name|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:molecularWeight",
        "path": "Basic.extension",
        "sliceName": "molecularWeight",
        "short": "R4: The molecular weight or weight range (for proteins, polymers or nucleic acids) (new)",
        "definition": "R4: `SubstanceSpecification.molecularWeight` (new:SubstanceSpecification.structure.isotope.molecularWeight)",
        "comment": "Element `SubstanceSpecification.molecularWeight` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.molecularWeight` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.structure.isotope.molecularWeight|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:relationship",
        "path": "Basic.extension",
        "sliceName": "relationship",
        "short": "R4: A link between this substance and another, with details of the relationship (new)",
        "definition": "R4: `SubstanceSpecification.relationship` (new:BackboneElement)",
        "comment": "Element `SubstanceSpecification.relationship` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.relationship` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "*",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:nucleicAcid",
        "path": "Basic.extension",
        "sliceName": "nucleicAcid",
        "short": "R4: Data items specific to nucleic acids (new)",
        "definition": "R4: `SubstanceSpecification.nucleicAcid` (new:Reference(SubstanceNucleicAcid))",
        "comment": "Element `SubstanceSpecification.nucleicAcid` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.nucleicAcid` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.nucleicAcid|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:polymer",
        "path": "Basic.extension",
        "sliceName": "polymer",
        "short": "R4: Data items specific to polymers (new)",
        "definition": "R4: `SubstanceSpecification.polymer` (new:Reference(SubstancePolymer))",
        "comment": "Element `SubstanceSpecification.polymer` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.polymer` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.polymer|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:protein",
        "path": "Basic.extension",
        "sliceName": "protein",
        "short": "R4: Data items specific to proteins (new)",
        "definition": "R4: `SubstanceSpecification.protein` (new:Reference(SubstanceProtein))",
        "comment": "Element `SubstanceSpecification.protein` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.protein` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.protein|0.1.0"
          }
        ]
      },
      {
        "id": "Basic.extension:sourceMaterial",
        "path": "Basic.extension",
        "sliceName": "sourceMaterial",
        "short": "R4: Material or taxonomic/anatomical source for the substance (new)",
        "definition": "R4: `SubstanceSpecification.sourceMaterial` (new:Reference(SubstanceSourceMaterial))",
        "comment": "Element `SubstanceSpecification.sourceMaterial` is not mapped to FHIR STU3, since FHIR R4 `SubstanceSpecification` is not mapped.\nElement `SubstanceSpecification.sourceMaterial` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "DomainResource.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.sourceMaterial|0.1.0"
          }
        ]
      }
    ]
  }
}