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

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

<http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-aefi-related-immunization> a fhir:StructureDefinition ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "vn-ext-aefi-related-immunization"] ;
  fhir:Resource.language [ fhir:value "vi"] ;
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "extensions" ] ;
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition vn-ext-aefi-related-immunization</b></p><a name=\"vn-ext-aefi-related-immunization\"> </a><a name=\"hcvn-ext-aefi-related-immunization\"> </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><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 : 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-vn-ext-aefi-related-immunization-definitions.html#Extension\" title=\"Mũi tiêm chủng xảy ra TRƯỚC sự cố bất lợi, làm căn cứ xếp bản ghi vào miền#xA;'sự cố bất lợi sau tiêm chủng' (AEFI). Extension này chỉ ghi nhận LIÊN HỆ THỜI GIAN#xA;(temporal association), KHÔNG hàm ý mũi tiêm bị nghi ngờ gây ra sự cố.#xA;#xA;Phân biệt với `AdverseEvent.suspectEntity`: theo R4, suspectEntity là thực thể *nghi ngờ#xA;gây ra* sự cố (instance 'describes the entity that is suspected to have caused the adverse#xA;event'). TT 13/2026/TT-BYT Điều 2 khoản 2 định nghĩa AEFI là hiện tượng bất thường về sức khoẻ#xA;xảy ra sau tiêm chủng, *'không nhất thiết do việc sử dụng vắc xin, sinh phẩm'* — nghĩa là một#xA;báo cáo AEFI hợp lệ có thể CHƯA có bất kỳ nghi ngờ nhân quả nào (ví dụ sự cố trùng hợp do bệnh#xA;lý khác). Khi đó dùng extension này để truy được mũi tiêm; chỉ khai `suspectEntity` khi thực#xA;sự có nghi ngờ nhân quả. Invariant `vn-aefi-immunization-linked` của#xA;VNCoreAdverseEventPostImmunization yêu cầu ít nhất một trong hai đường liên kết tồn tại.\">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\"/><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\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">*</span></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/R4/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\">Mũi tiêm liên quan theo thời gian — VN AEFI Related Immunization</td></tr>#xD;\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_extension_simple.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Simple Extension\" class=\"hierarchy\"/> <a style=\"text-decoration:line-through; text-decoration:line-through\" href=\"StructureDefinition-vn-ext-aefi-related-immunization-definitions.html#Extension.extension\">extension</a><a name=\"Extension.extension\"> </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\"><span style=\"text-decoration:line-through\"/><span style=\"text-decoration:line-through\">0</span><span style=\"text-decoration:line-through\">..</span><span style=\"text-decoration:line-through\">0</span></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\"><span style=\"font-style: italic\">Extension</span></td></tr>#xD;\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_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: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-vn-ext-aefi-related-immunization-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: 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\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></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=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</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\"><span style=\"color: darkgreen\">\"http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-aefi-related-immunization\"</span></td></tr>#xD;\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_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_reference.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-vn-ext-aefi-related-immunization-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </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..<span style=\"opacity: 0.5\">1</span></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 href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-vn-core-immunization.html\">Tiêm chủng — VN Core Immunization</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\">Lượt tiêm chủng xảy ra trước sự cố (liên hệ thời gian, không hàm ý nhân quả)</td></tr>#xD;\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>"
  ] ;
  fhir:DomainResource.extension [
     fhir:index -1 ;
     fhir:Extension.url [ fhir:value "http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-legal-basis" ] ;
     fhir:Extension.valueCoding [
       fhir:Coding.system [ fhir:value "http://fhir.hl7.org.vn/core/CodeSystem/vn-legal-document-ref-cs" ] ;
       fhir:Coding.code [ fhir:value "TT-13-2026" ]
     ]
  ] ;
  fhir:StructureDefinition.url [ fhir:value "http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-aefi-related-immunization"] ;
  fhir:StructureDefinition.identifier [
     fhir:index -1 ;
     fhir:Identifier.system [ fhir:value "urn:ietf:rfc:3986" ] ;
     fhir:Identifier.value [ fhir:value "urn:oid:2.25.161089673617632664299011809196868855799.42.119" ]
  ] ;
  fhir:StructureDefinition.version [ fhir:value "0.10.0"] ;
  fhir:StructureDefinition.name [ fhir:value "VNCoreExtAEFIRelatedImmunization"] ;
  fhir:StructureDefinition.title [ fhir:value "Mũi tiêm liên quan theo thời gian — VN AEFI Related Immunization"] ;
  fhir:StructureDefinition.status [ fhir:value "draft"] ;
  fhir:StructureDefinition.date [ fhir:value "2026-08-07"^^xsd:date] ;
  fhir:StructureDefinition.publisher [ fhir:value "Omi HealthTech / VN Core FHIR Community Initiative"] ;
  fhir:StructureDefinition.contact [
     fhir:index -1 ;
     fhir:ContactDetail.name [ fhir:value "Omi HealthTech / VN Core FHIR Community Initiative" ] ;
     fhir:ContactDetail.telecom [
       fhir:index -1 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://hl7.org.vn" ]
     ], [
       fhir:index -1 ;
       fhir:ContactPoint.system [ fhir:value "email" ] ;
       fhir:ContactPoint.value [ fhir:value "info@hl7.org.vn" ]
     ]
  ], [
     fhir:index -1 ;
     fhir:ContactDetail.name [ fhir:value "Omi HealthTech (OmiGroup)" ] ;
     fhir:ContactDetail.telecom [
       fhir:index -1 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://omihealthtech.vn" ]
     ], [
       fhir:index -1 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://omigroup.vn" ]
     ], [
       fhir:index -1 ;
       fhir:ContactPoint.system [ fhir:value "email" ] ;
       fhir:ContactPoint.value [ fhir:value "info@hl7.org.vn" ]
     ]
  ] ;
  fhir:StructureDefinition.description [ fhir:value "Mũi tiêm chủng xảy ra TRƯỚC sự cố bất lợi, làm căn cứ xếp bản ghi vào miền\n'sự cố bất lợi sau tiêm chủng' (AEFI). Extension này chỉ ghi nhận LIÊN HỆ THỜI GIAN\n(temporal association), KHÔNG hàm ý mũi tiêm bị nghi ngờ gây ra sự cố.\n\nPhân biệt với `AdverseEvent.suspectEntity`: theo R4, suspectEntity là thực thể *nghi ngờ\ngây ra* sự cố (instance 'describes the entity that is suspected to have caused the adverse\nevent'). TT 13/2026/TT-BYT Điều 2 khoản 2 định nghĩa AEFI là hiện tượng bất thường về sức khoẻ\nxảy ra sau tiêm chủng, *'không nhất thiết do việc sử dụng vắc xin, sinh phẩm'* — nghĩa là một\nbáo cáo AEFI hợp lệ có thể CHƯA có bất kỳ nghi ngờ nhân quả nào (ví dụ sự cố trùng hợp do bệnh\nlý khác). Khi đó dùng extension này để truy được mũi tiêm; chỉ khai `suspectEntity` khi thực\nsự có nghi ngờ nhân quả. Invariant `vn-aefi-immunization-linked` của\nVNCoreAdverseEventPostImmunization yêu cầu ít nhất một trong hai đường liên kết tồn tại."] ;
  fhir:StructureDefinition.jurisdiction [
     fhir:index -1 ;
     fhir:CodeableConcept.coding [
       fhir:index -1 ;
       fhir:Coding.system [ fhir:value "urn:iso:std:iso:3166" ] ;
       fhir:Coding.code [ fhir:value "VN" ] ;
       fhir:Coding.display [ fhir:value "Viet Nam" ]
     ]
  ] ;
  fhir:StructureDefinition.fhirVersion [ fhir:value "4.0.1"] ;
  fhir:StructureDefinition.mapping [
     fhir:index -1 ;
     fhir:StructureDefinition.mapping.identity [ fhir:value "rim" ] ;
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://hl7.org/v3" ] ;
     fhir:StructureDefinition.mapping.name [ fhir:value "RIM Mapping" ]
  ] ;
  fhir:StructureDefinition.kind [ fhir:value "complex-type"] ;
  fhir:StructureDefinition.abstract [ fhir:value "false"^^xsd:boolean] ;
  fhir:StructureDefinition.context [
     fhir:index -1 ;
     fhir:StructureDefinition.context.type [ fhir:value "element" ] ;
     fhir:StructureDefinition.context.expression [ fhir:value "AdverseEvent" ]
  ] ;
  fhir:StructureDefinition.type [ fhir:value "Extension"] ;
  fhir:StructureDefinition.baseDefinition [
     fhir:value "http://hl7.org/fhir/StructureDefinition/Extension" ;
     fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
  ] ;
  fhir:StructureDefinition.derivation [ fhir:value "constraint"] ;
  fhir:StructureDefinition.snapshot [
     fhir:Element.extension [
       fhir:index -1 ;
       fhir:Extension.url [ fhir:value "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version" ] ;
       fhir:Extension.valueString [ fhir:value "4.0.1" ]
     ] ;
     fhir:StructureDefinition.snapshot.element [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension" ] ;
       fhir:ElementDefinition.short [ fhir:value "Mũi tiêm liên quan theo thời gian — VN AEFI Related Immunization" ] ;
       fhir:ElementDefinition.definition [ fhir:value "Mũi tiêm chủng xảy ra TRƯỚC sự cố bất lợi, làm căn cứ xếp bản ghi vào miền\n'sự cố bất lợi sau tiêm chủng' (AEFI). Extension này chỉ ghi nhận LIÊN HỆ THỜI GIAN\n(temporal association), KHÔNG hàm ý mũi tiêm bị nghi ngờ gây ra sự cố.\n\nPhân biệt với `AdverseEvent.suspectEntity`: theo R4, suspectEntity là thực thể *nghi ngờ\ngây ra* sự cố (instance 'describes the entity that is suspected to have caused the adverse\nevent'). TT 13/2026/TT-BYT Điều 2 khoản 2 định nghĩa AEFI là hiện tượng bất thường về sức khoẻ\nxảy ra sau tiêm chủng, *'không nhất thiết do việc sử dụng vắc xin, sinh phẩm'* — nghĩa là một\nbáo cáo AEFI hợp lệ có thể CHƯA có bất kỳ nghi ngờ nhân quả nào (ví dụ sự cố trùng hợp do bệnh\nlý khác). Khi đó dùng extension này để truy được mũi tiêm; chỉ khai `suspectEntity` khi thực\nsự có nghi ngờ nhân quả. Invariant `vn-aefi-immunization-linked` của\nVNCoreAdverseEventPostImmunization yêu cầu ít nhất một trong hai đường liên kết tồn tại." ] ;
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
       fhir:ElementDefinition.max [ fhir:value "*" ] ;
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension" ] ;
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
         fhir:ElementDefinition.base.max [ fhir:value "*" ]
       ] ;
       fhir:ElementDefinition.condition [
         fhir:value "ele-1" ;
         fhir:index -1
       ] ;
       fhir:ElementDefinition.constraint [
         fhir:index -1 ;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ] ;
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ] ;
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ] ;
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ] ;
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>
         ]
       ], [
         fhir:index -1 ;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ] ;
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ] ;
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ] ;
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ] ;
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension" ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
         ]
       ] ;
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.id" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.id" ] ;
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr" ;
         fhir:index -1
       ] ;
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ] ;
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ] ;
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
       fhir:ElementDefinition.max [ fhir:value "1" ] ;
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ] ;
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
         fhir:ElementDefinition.base.max [ fhir:value "1" ]
       ] ;
       fhir:ElementDefinition.type [
         fhir:index -1 ;
         fhir:Element.extension [
           fhir:index -1 ;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ] ;
           fhir:Extension.valueUrl [ fhir:value "string" ]
         ] ;
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]
       ] ;
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.mapping [
         fhir:index -1 ;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ] ;
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]
       ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.extension" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.extension" ] ;
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index -1 ;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ] ;
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]
         ] ;
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ] ;
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]
       ] ;
       fhir:ElementDefinition.short [ fhir:value "Extension" ] ;
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ] ;
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
       fhir:ElementDefinition.max [ fhir:value "0" ] ;
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ] ;
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
         fhir:ElementDefinition.base.max [ fhir:value "*" ]
       ] ;
       fhir:ElementDefinition.type [
         fhir:index -1 ;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]
       ] ;
       fhir:ElementDefinition.constraint [
         fhir:index -1 ;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ] ;
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ] ;
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ] ;
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ] ;
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>
         ]
       ], [
         fhir:index -1 ;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ] ;
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ] ;
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ] ;
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ] ;
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension" ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
         ]
       ] ;
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.url" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.url" ] ;
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr" ;
         fhir:index -1
       ] ;
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ] ;
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ] ;
       fhir:ElementDefinition.comment [ fhir:value "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:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ] ;
       fhir:ElementDefinition.max [ fhir:value "1" ] ;
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ] ;
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ] ;
         fhir:ElementDefinition.base.max [ fhir:value "1" ]
       ] ;
       fhir:ElementDefinition.type [
         fhir:index -1 ;
         fhir:Element.extension [
           fhir:index -1 ;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ] ;
           fhir:Extension.valueUrl [ fhir:value "uri" ]
         ] ;
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]
       ] ;
       fhir:ElementDefinition.fixedUri [ fhir:value "http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-aefi-related-immunization" ] ;
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.mapping [
         fhir:index -1 ;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ] ;
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]
       ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.value[x]" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ] ;
       fhir:ElementDefinition.short [ fhir:value "Lượt tiêm chủng xảy ra trước sự cố (liên hệ thời gian, không hàm ý nhân quả)" ] ;
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ] ;
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ] ;
       fhir:ElementDefinition.max [ fhir:value "1" ] ;
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ] ;
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
         fhir:ElementDefinition.base.max [ fhir:value "1" ]
       ] ;
       fhir:ElementDefinition.type [
         fhir:index -1 ;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ] ;
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-immunization" ;
           fhir:index -1 ;
           fhir:link <http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-immunization>
         ]
       ] ;
       fhir:ElementDefinition.constraint [
         fhir:index -1 ;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ] ;
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ] ;
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ] ;
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ] ;
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>
         ]
       ] ;
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ] ;
       fhir:ElementDefinition.mapping [
         fhir:index -1 ;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ] ;
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]
       ]
     ]
  ] ;
  fhir:StructureDefinition.differential [
     fhir:StructureDefinition.differential.element [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension" ] ;
       fhir:ElementDefinition.short [ fhir:value "Mũi tiêm liên quan theo thời gian — VN AEFI Related Immunization" ] ;
       fhir:ElementDefinition.definition [ fhir:value "Mũi tiêm chủng xảy ra TRƯỚC sự cố bất lợi, làm căn cứ xếp bản ghi vào miền\n'sự cố bất lợi sau tiêm chủng' (AEFI). Extension này chỉ ghi nhận LIÊN HỆ THỜI GIAN\n(temporal association), KHÔNG hàm ý mũi tiêm bị nghi ngờ gây ra sự cố.\n\nPhân biệt với `AdverseEvent.suspectEntity`: theo R4, suspectEntity là thực thể *nghi ngờ\ngây ra* sự cố (instance 'describes the entity that is suspected to have caused the adverse\nevent'). TT 13/2026/TT-BYT Điều 2 khoản 2 định nghĩa AEFI là hiện tượng bất thường về sức khoẻ\nxảy ra sau tiêm chủng, *'không nhất thiết do việc sử dụng vắc xin, sinh phẩm'* — nghĩa là một\nbáo cáo AEFI hợp lệ có thể CHƯA có bất kỳ nghi ngờ nhân quả nào (ví dụ sự cố trùng hợp do bệnh\nlý khác). Khi đó dùng extension này để truy được mũi tiêm; chỉ khai `suspectEntity` khi thực\nsự có nghi ngờ nhân quả. Invariant `vn-aefi-immunization-linked` của\nVNCoreAdverseEventPostImmunization yêu cầu ít nhất một trong hai đường liên kết tồn tại." ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.extension" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.extension" ] ;
       fhir:ElementDefinition.max [ fhir:value "0" ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.url" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.url" ] ;
       fhir:ElementDefinition.fixedUri [ fhir:value "http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-aefi-related-immunization" ]
     ], [
       fhir:index -1 ;
       fhir:Element.id [ fhir:value "Extension.value[x]" ] ;
       fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ] ;
       fhir:ElementDefinition.short [ fhir:value "Lượt tiêm chủng xảy ra trước sự cố (liên hệ thời gian, không hàm ý nhân quả)" ] ;
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ] ;
       fhir:ElementDefinition.type [
         fhir:index -1 ;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ] ;
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-immunization" ;
           fhir:index -1 ;
           fhir:link <http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-immunization>
         ]
       ]
     ]
  ] .

# - ontology header ------------------------------------------------------------

<http://fhir.hl7.org.vn/core/StructureDefinition/vn-ext-aefi-related-immunization.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl .

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