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{
 "resourceType": "StructureDefinition",
 "id": "ext-R5-EventDefinition.topic",
 "text": {
 "status": "extensions",
 "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">Generated Narrative: StructureDefinition ext-R5-EventDefinition.topic<a name=\"ext-R5-EventDefinition.topic\"> </a><a name=\"hcext-R5-EventDefinition.topic\"> </a><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 : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,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=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; 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 : var(--ig-left,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><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></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ext-R5-EventDefinition.topic-definitions.html#Extension\" title=\"R5: `EventDefinition.topic` (new:CodeableConcept)\">Extension</a><a name=\"Extension\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,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: #ffcccc; padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color: black; background-color: #ffcccc\" href=\"http://hl7.org/fhir/STU3/versions.html#std-process\" title=\"Standards Status =Deprecated\">XD</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/STU3/extensibility.html#Extension\">Extension</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">R5: E.g. Education, Treatment, Assessment, etc (new) </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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ext-R5-EventDefinition.topic-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/STU3/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">&quot;http://hl7.org/fhir/5.0/StructureDefinition/extension-EventDefinition.topic&quot;</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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_datatype.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ext-R5-EventDefinition.topic-definitions.html#Extension.value[x]\" title=\"Descriptive topics related to the module. Topics provide a high-level categorization of the module that can be useful for filtering and searching.\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/STU3/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">E.g. Education, Treatment, Assessment, etc Binding: <a href=\"http://hl7.org/fhir/STU3/valueset-definition-topic.html\" title=\"http://hl7.org/fhir/ValueSet/definition-topic\" class=\"binding\">DefinitionTopic</a> (<a href=\"http://hl7.org/fhir/STU3/terminologies.html#example\" title=\"Instances are not expected or even encouraged to draw from the specified value set. The value set merely provides examples of the types of concepts intended to be included.\" class=\"binding\">example</a>): High-level categorization of the definition, used for searching, sorting, and filtering.</td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"> <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>"
 },
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
 "valueCode": "fhir"
 },
 {
 "extension": [
 {
 "url": "packageId",
 "valueId": "hl7.fhir.uv.xver-r5.r3"
 },
 {
 "url": "version",
 "valueString": "0.1.0"
 },
 {
 "url": "uri",
 "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3"
 }
 ],
 "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-r5.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-r5.r3"
 }
 ]
 }
 }
 ],
 "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-EventDefinition.topic",
 "version": "0.1.0",
 "name": "ExtensionEventDefinition_Topic",
 "title": "R5: E.g. Education, Treatment, Assessment, etc (new)",
 "status": "active",
 "experimental": false,
 "date": "2026-03-17T21:02:03.8104715+00:00",
 "publisher": "FHIR Infrastructure",
 "contact": [
 {
 "name": "FHIR Infrastructure",
 "telecom": [
 {
 "system": "url",
 "value": "http://www.hl7.org/Special/committees/fiwg"
 }
 ]
 }
 ],
 "description": "R5: `EventDefinition.topic` (new:CodeableConcept)",
 "jurisdiction": [
 {
 "coding": [
 {
 "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
 "code": "001",
 "display": "World"
 }
 ]
 }
 ],
 "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `EventDefinition.topic` as defined in FHIR R5\r\nin FHIR STU3.\r\n\r\nThe source element is defined as:\r\n`EventDefinition.topic` 0..* `CodeableConcept`\r\n\r\nAcross FHIR versions, the element set has been mapped as:\r\n* R5: `EventDefinition.topic` 0..* `CodeableConcept`\r\n\r\nFollowing are the generation technical comments:\r\nElement `EventDefinition.topic` is not mapped to FHIR STU3, since FHIR R5 `EventDefinition` is not mapped.\nElement `EventDefinition.topic` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nElement `EventDefinition.topic` has been flagged as deprecated.",
 "fhirVersion": "3.0.2",
 "mapping": [
 {
 "identity": "rim",
 "uri": "http://hl7.org/v3",
 "name": "RIM Mapping"
 }
 ],
 "kind": "complex-type",
 "abstract": false,
 "contextType": "resource",
 "context": [
 "Basic"
 ],
 "type": "Extension",
 "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
 "derivation": "constraint",
 "snapshot": {
 "element": [
 {
 "id": "Extension",
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
 "valueCode": "deprecated"
 }
 ],
 "path": "Extension",
 "short": "R5: E.g. Education, Treatment, Assessment, etc (new)",
 "definition": "R5: `EventDefinition.topic` (new:CodeableConcept)",
 "comment": "Element `EventDefinition.topic` is not mapped to FHIR STU3, since FHIR R5 `EventDefinition` is not mapped.\nElement `EventDefinition.topic` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nElement `EventDefinition.topic` has been flagged as deprecated.\nDEPRECATION NOTE: For consistency, implementations are encouraged to migrate to using the new 'topic' code in the useContext element. (I.e. useContext.code indicating http://terminology.hl7.org/CodeSystem/usage-context-type#topic and useContext.valueCodeableConcept indicating the topic)",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Extension",
 "min": 0,
 "max": "*"
 },
 "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": "Extension.id",
 "path": "Extension.id",
 "representation": [
 "xmlAttr"
 ],
 "short": "xml:id (or equivalent in JSON)",
 "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Element.id",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "string"
 }
 ],
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Extension.extension",
 "path": "Extension.extension",
 "slicing": {
 "discriminator": [
 {
 "type": "value",
 "path": "url"
 }
 ],
 "description": "Extensions are always sliced by (at least) url",
 "rules": "open"
 },
 "short": "Additional Content defined by implementations",
 "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
 "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": "Element.extension",
 "min": 0,
 "max": "*"
 },
 "type": [
 {
 "code": "Extension"
 }
 ],
 "mapping": [
 {
 "identity": "rim",
 "map": "n/a"
 }
 ]
 },
 {
 "id": "Extension.url",
 "path": "Extension.url",
 "representation": [
 "xmlAttr"
 ],
 "short": "identifies the meaning of the extension",
 "definition": "Source of the definition for the extension code - a logical name or a URL.",
 "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Extension.url",
 "min": 1,
 "max": "1"
 },
 "type": [
 {
 "code": "uri"
 }
 ],
 "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-EventDefinition.topic",
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 },
 {
 "id": "Extension.value[x]",
 "path": "Extension.value[x]",
 "short": "E.g. Education, Treatment, Assessment, etc",
 "definition": "Descriptive topics related to the module. Topics provide a high-level categorization of the module that can be useful for filtering and searching.",
 "comment": "DEPRECATION NOTE: For consistency, implementations are encouraged to migrate to using the new 'topic' code in the useContext element. (I.e. useContext.code indicating http://terminology.hl7.org/CodeSystem/usage-context-type#topic and useContext.valueCodeableConcept indicating the topic)",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Extension.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "CodeableConcept"
 }
 ],
 "binding": {
 "strength": "example",
 "description": "High-level categorization of the definition, used for searching, sorting, and filtering.",
 "valueSetUri": "http://hl7.org/fhir/ValueSet/definition-topic|3.0.2"
 },
 "mapping": [
 {
 "identity": "rim",
 "map": "N/A"
 }
 ]
 }
 ]
 },
 "differential": {
 "element": [
 {
 "id": "Extension",
 "extension": [
 {
 "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
 "valueCode": "deprecated"
 }
 ],
 "path": "Extension",
 "short": "R5: E.g. Education, Treatment, Assessment, etc (new)",
 "definition": "R5: `EventDefinition.topic` (new:CodeableConcept)",
 "comment": "Element `EventDefinition.topic` is not mapped to FHIR STU3, since FHIR R5 `EventDefinition` is not mapped.\nElement `EventDefinition.topic` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nElement `EventDefinition.topic` has been flagged as deprecated.\nDEPRECATION NOTE: For consistency, implementations are encouraged to migrate to using the new 'topic' code in the useContext element. (I.e. useContext.code indicating http://terminology.hl7.org/CodeSystem/usage-context-type#topic and useContext.valueCodeableConcept indicating the topic)",
 "min": 0,
 "max": "*",
 "base": {
 "path": "Extension",
 "min": 0,
 "max": "*"
 },
 "isModifier": false
 },
 {
 "id": "Extension.url",
 "path": "Extension.url",
 "min": 1,
 "max": "1",
 "base": {
 "path": "Extension.url",
 "min": 1,
 "max": "1"
 },
 "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-EventDefinition.topic"
 },
 {
 "id": "Extension.value[x]",
 "path": "Extension.value[x]",
 "short": "E.g. Education, Treatment, Assessment, etc",
 "definition": "Descriptive topics related to the module. Topics provide a high-level categorization of the module that can be useful for filtering and searching.",
 "comment": "DEPRECATION NOTE: For consistency, implementations are encouraged to migrate to using the new 'topic' code in the useContext element. (I.e. useContext.code indicating http://terminology.hl7.org/CodeSystem/usage-context-type#topic and useContext.valueCodeableConcept indicating the topic)",
 "min": 0,
 "max": "1",
 "base": {
 "path": "Extension.value[x]",
 "min": 0,
 "max": "1"
 },
 "type": [
 {
 "code": "CodeableConcept"
 }
 ],
 "binding": {
 "strength": "example",
 "description": "High-level categorization of the definition, used for searching, sorting, and filtering.",
 "valueSetUri": "http://hl7.org/fhir/ValueSet/definition-topic|3.0.2"
 }
 }
 ]
 }
}

name : ExtensionEventDefinition_Topic

{

}