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This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions

Example StructureDefinition/Extension (Turtle)

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

Raw Turtle (+ also see Turtle/RDF Format Specification)

StructureDefinition for Extension

@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

<http://hl7.org/fhir/StructureDefinition/Extension> a fhir:StructureDefinition ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "Extension"] ; # 
  fhir:text [
     fhir:status [ fhir:v "generated" ] ;
     fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAgDsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30CqZFfFmwAAAABJRU5ErkJggg==)\" class=\"hierarchy\"><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"data:image/png;base64,R0lGODlhEAAQAPQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw/npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///wD/ACH5BAEKAB8ALAAAAAAQABAAAAVl4CeOZGme5qCqqDg8jyVJaz1876DsmAQAgqDgltspMEhMJoMZ4iy6I1AooFCIv+wKybziALVAoAEjYLwDgGIpJhMslgxaLR4/3rMAWoBp32V5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw==\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"extensibility-definitions.html#Extension\" title=\"Extension : Optional Extension Element - found in all resources.\">Extension</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color: black; background-color: #e6ffe6\" href=\"versions.html#std-process\" title=\"Standards Status = Normative\">N</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"types.html#Element\">Element</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Optional Extensions Element<br/><span style=\"font-style: italic\" title=\"ext-1\">+ Rule: Must have either extensions or value[x], not both</span><br/><br/>Elements defined in Ancestors: <a href=\"types.html#Element\" title=\"Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.\">id</a>, <a href=\"types.html#Element\" title=\"May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.\">extension</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)\" class=\"hierarchy\"><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"extensibility-definitions.html#Extension.url\" title=\"Extension.url : Source of the definition for the extension code - a logical name or a URL.\">url</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"padding-left: 3px; padding-right: 3px; color: black; null\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">Σ</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">identifies the meaning of the extension<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAgDsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30CqZFfFmwAAAABJRU5ErkJggg==)\" class=\"hierarchy\"><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQkad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRPz58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPvszv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866OUPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6if3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///wD/ACH5BAEKAH8ALAAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hYwbdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iSFVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuqoTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Data Type\" class=\"hierarchy\"/> <a href=\"extensibility-definitions.html#Extension.value_x_\" title=\"Extension.value[x] : Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).\">value[x]</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"padding-left: 3px; padding-right: 3px; color: black; null\" href=\"elementdefinition-definitions.html#ElementDefinition.isSummary\" title=\"This element is included in summaries\">Σ</a><a style=\"padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;\" href=\"conformance-rules.html#constraints\" title=\"This element has or is affected by some invariants\">C</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"datatypes.html#open\">*</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Value of extension<br/></td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"^^rdf:XMLLiteral
  ] ; # 
  fhir:extension ( [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ;
     fhir:value [
       a fhir:code ;
       fhir:v "normative"
     ]
  ] [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"^^xsd:anyURI ] ;
     fhir:value [
       a fhir:code ;
       fhir:v "4.0.0"
     ]
  ] [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics"^^xsd:anyURI ] ;
     fhir:value [
       a fhir:code ;
       fhir:v "can-bind"
     ]
  ] [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ] ;
     fhir:value [
       a fhir:code ;
       fhir:v "fhir"
     ]
  ] ) ; # 
  fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI] ; # 
  fhir:version [ fhir:v "6.0.0-ballot2"] ; # 
  fhir:name [ fhir:v "Extension"] ; # 
  fhir:status [ fhir:v "active"] ; # 
  fhir:experimental [ fhir:v false] ; # 
  fhir:date [ fhir:v "2025-03-14T01:08:33+00:00"^^xsd:dateTime] ; # 
  fhir:publisher [ fhir:v "HL7 International / FHIR Infrastructure"] ; # 
  fhir:contact ( [
     fhir:telecom ( [
       fhir:system [ fhir:v "url" ] ;
       fhir:value [ fhir:v "http://hl7.org/fhir" ]
     ] )
  ] [
     fhir:telecom ( [
       fhir:system [ fhir:v "url" ] ;
       fhir:value [ fhir:v "http://www.hl7.org/Special/committees/fiwg" ]
     ] )
  ] ) ; # 
  fhir:description [ fhir:v "Extension Type: Optional Extension Element - found in all resources."] ; # 
  fhir:jurisdiction ( [
     fhir:coding ( [
       fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ] ;
       fhir:code [ fhir:v "001" ] ;
       fhir:display [ fhir:v "World" ]
     ] )
  ] ) ; # 
  fhir:purpose [ fhir:v "The ability to add extensions in a structured way is what keeps FHIR resources simple."] ; # 
  fhir:fhirVersion [ fhir:v "6.0.0-ballot2"] ; # 
  fhir:mapping ( [
     fhir:identity [ fhir:v "rim" ] ;
     fhir:uri [ fhir:v "http://hl7.org/v3"^^xsd:anyURI ] ;
     fhir:name [ fhir:v "RIM Mapping" ]
  ] ) ; # 
  fhir:kind [ fhir:v "complex-type"] ; # 
  fhir:abstract [ fhir:v false] ; # 
  fhir:type [ fhir:v "Extension"^^xsd:anyURI] ; # 
  fhir:baseDefinition [
     fhir:v "http://hl7.org/fhir/StructureDefinition/DataType"^^xsd:anyURI ;
     fhir:link <http://hl7.org/fhir/StructureDefinition/DataType>
  ] ; # 
  fhir:derivation [ fhir:v "specialization"] ; # 
  fhir:snapshot [
     fhir:element ( [
       fhir:id [ fhir:v "Extension" ] ;
       fhir:extension ( [
         fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ;
         fhir:value [
           a fhir:code ;
           fhir:v "normative"
         ]
       ] [
         fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"^^xsd:anyURI ] ;
         fhir:value [
           a fhir:code ;
           fhir:v "4.0.0"
         ]
       ] ) ;
       fhir:path [ fhir:v "Extension" ] ;
       fhir:short [ fhir:v "Optional Extensions Element" ] ;
       fhir:definition [ fhir:v "Optional Extension Element - found in all resources." ] ;
       fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:base [
         fhir:path [ fhir:v "Extension" ] ;
         fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
         fhir:max [ fhir:v "*" ]
       ] ;
       fhir:constraint ( [
         fhir:key [ fhir:v "ele-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
         fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
         fhir:source [
           fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>
         ]
       ] [
         fhir:key [ fhir:v "ext-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "Must have either extensions or value[x], not both" ] ;
         fhir:expression [ fhir:v "extension.exists() != value.exists()" ] ;
         fhir:source [
           fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
         ]
       ] ) ;
       fhir:isModifier [ fhir:v false ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "n/a,N/A" ]
       ] )
     ] [
       fhir:id [ fhir:v "Extension.id" ] ;
       fhir:path [ fhir:v "Extension.id" ] ;
       fhir:representation ( [ fhir:v "xmlAttr" ] ) ;
       fhir:short [ fhir:v "Unique id for inter-element referencing" ] ;
       fhir:definition [ fhir:v "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ] ;
       fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Element.id" ] ;
         fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
           fhir:value [
             a fhir:url ;
             fhir:v "id"^^xsd:anyURI
           ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]
       ] ) ;
       fhir:condition ( [ fhir:v "ele-1" ] ) ;
       fhir:isModifier [ fhir:v false ] ;
       fhir:isSummary [ fhir:v false ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "n/a" ]
       ] )
     ] [
       fhir:id [ fhir:v "Extension.extension" ] ;
       fhir:path [ fhir:v "Extension.extension" ] ;
       fhir:slicing [
         fhir:discriminator ( [
           fhir:type [ fhir:v "value" ] ;
           fhir:path [ fhir:v "url" ]
         ] ) ;
         fhir:description [ fhir:v "Extensions are always sliced by (at least) url" ] ;
         fhir:rules [ fhir:v "open" ]
       ] ;
       fhir:short [ fhir:v "Additional content defined by implementations" ] ;
       fhir:definition [ fhir:v "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." ] ;
       fhir:comment [ fhir:v "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." ] ;
       fhir:alias ( [ fhir:v "extensions" ] [ fhir:v "user content" ] ) ;
       fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:base [
         fhir:path [ fhir:v "Element.extension" ] ;
         fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
         fhir:max [ fhir:v "*" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "Extension"^^xsd:anyURI ]
       ] ) ;
       fhir:constraint ( [
         fhir:key [ fhir:v "ele-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
         fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
         fhir:source [
           fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>
         ]
       ] ) ;
       fhir:isModifier [ fhir:v false ] ;
       fhir:isSummary [ fhir:v false ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "n/a" ]
       ] )
     ] [
       fhir:id [ fhir:v "Extension.url" ] ;
       fhir:path [ fhir:v "Extension.url" ] ;
       fhir:representation ( [ fhir:v "xmlAttr" ] ) ;
       fhir:short [ fhir:v "identifies the meaning of the extension" ] ;
       fhir:definition [ fhir:v "Source of the definition for the extension code - a logical name or a URL." ] ;
       fhir:comment [ fhir:v "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." ] ;
       fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Extension.url" ] ;
         fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
           fhir:value [
             a fhir:url ;
             fhir:v "uri"^^xsd:anyURI
           ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]
       ] ) ;
       fhir:isModifier [ fhir:v false ] ;
       fhir:isSummary [ fhir:v true ] ;
       fhir:binding [ ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "N/A" ]
       ] )
     ] [
       fhir:id [ fhir:v "Extension.value[x]" ] ;
       fhir:path [ fhir:v "Extension.value[x]" ] ;
       fhir:short [ fhir:v "Value of extension" ] ;
       fhir:definition [ fhir:v "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." ] ;
       fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Extension.value[x]" ] ;
         fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "base64Binary"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "boolean"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "canonical"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "code"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "date"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "dateTime"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "decimal"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "id"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "instant"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "integer"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "integer64"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "markdown"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "oid"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "positiveInt"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "string"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "time"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "unsignedInt"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "uri"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "url"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "uuid"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Address"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Age"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Annotation"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Attachment"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "CodeableConcept"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "CodeableReference"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Coding"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ContactPoint"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Count"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Distance"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Duration"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "HumanName"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Identifier"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Money"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Period"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Quantity"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Range"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Ratio"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "RatioRange"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Reference"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "SampledData"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Signature"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Timing"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ContactDetail"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "DataRequirement"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Expression"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ParameterDefinition"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "RelatedArtifact"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "TriggerDefinition"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "UsageContext"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Availability"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ExtendedContactDetail"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Dosage"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Meta"^^xsd:anyURI ]
       ] ) ;
       fhir:condition ( [ fhir:v "ext-1" ] ) ;
       fhir:constraint ( [
         fhir:key [ fhir:v "ele-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
         fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
         fhir:source [
           fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>
         ]
       ] ) ;
       fhir:isModifier [ fhir:v false ] ;
       fhir:isSummary [ fhir:v true ] ;
       fhir:binding [ ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "N/A" ]
       ] )
     ] )
  ] ; # 
  fhir:differential [
     fhir:element ( [
       fhir:id [ fhir:v "Extension" ] ;
       fhir:extension ( [
         fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ;
         fhir:value [
           a fhir:code ;
           fhir:v "normative"
         ]
       ] [
         fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"^^xsd:anyURI ] ;
         fhir:value [
           a fhir:code ;
           fhir:v "4.0.0"
         ]
       ] ) ;
       fhir:path [ fhir:v "Extension" ] ;
       fhir:short [ fhir:v "Optional Extensions Element" ] ;
       fhir:definition [ fhir:v "Optional Extension Element - found in all resources." ] ;
       fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:constraint ( [
         fhir:key [ fhir:v "ext-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "Must have either extensions or value[x], not both" ] ;
         fhir:expression [ fhir:v "extension.exists() != value.exists()" ] ;
         fhir:source [
           fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
         ]
       ] ) ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "N/A" ]
       ] )
     ] [
       fhir:id [ fhir:v "Extension.url" ] ;
       fhir:path [ fhir:v "Extension.url" ] ;
       fhir:representation ( [ fhir:v "xmlAttr" ] ) ;
       fhir:short [ fhir:v "identifies the meaning of the extension" ] ;
       fhir:definition [ fhir:v "Source of the definition for the extension code - a logical name or a URL." ] ;
       fhir:comment [ fhir:v "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." ] ;
       fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
           fhir:value [
             a fhir:url ;
             fhir:v "uri"^^xsd:anyURI
           ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]
       ] ) ;
       fhir:isSummary [ fhir:v true ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "N/A" ]
       ] )
     ] [
       fhir:id [ fhir:v "Extension.value[x]" ] ;
       fhir:path [ fhir:v "Extension.value[x]" ] ;
       fhir:short [ fhir:v "Value of extension" ] ;
       fhir:definition [ fhir:v "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." ] ;
       fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:code [ fhir:v "base64Binary"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "boolean"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "canonical"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "code"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "date"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "dateTime"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "decimal"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "id"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "instant"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "integer"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "integer64"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "markdown"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "oid"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "positiveInt"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "string"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "time"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "unsignedInt"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "uri"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "url"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "uuid"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Address"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Age"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Annotation"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Attachment"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "CodeableConcept"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "CodeableReference"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Coding"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ContactPoint"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Count"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Distance"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Duration"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "HumanName"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Identifier"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Money"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Period"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Quantity"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Range"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Ratio"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "RatioRange"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Reference"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "SampledData"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Signature"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Timing"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ContactDetail"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "DataRequirement"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Expression"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ParameterDefinition"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "RelatedArtifact"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "TriggerDefinition"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "UsageContext"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Availability"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "ExtendedContactDetail"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Dosage"^^xsd:anyURI ]
       ] [
         fhir:code [ fhir:v "Meta"^^xsd:anyURI ]
       ] ) ;
       fhir:condition ( [ fhir:v "ext-1" ] ) ;
       fhir:isSummary [ fhir:v true ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "N/A" ]
       ] )
     ] )
  ] . # 

# -------------------------------------------------------------------------------------


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