FHIR Extensions Pack
5.3.0-ballot-tc1 - (September 2025 Ballot)
FHIR Extensions Pack
5.3.0-ballot-tc1 - (September 2025 Ballot)
This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions
| Page standards status: Deprecated | Maturity Level: 3 |
TTL representation of the observation-delta 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 ------------------------------------------------------------------- a fhir:StructureDefinition ; fhir:nodeRole fhir:treeRoot ; fhir:id [ fhir:v "observation-delta"] ; # fhir:text [ fhir:status [ fhir:v "extensions" ] ; fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition observation-delta</b></p><a name=\"observation-delta\"> </a><a name=\"hcobservation-delta\"> </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 & 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-observation-delta-definitions.html#Extension\" title=\"The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.\">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\">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/R5/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\">Qualitative change or trend in the measurement</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\"/> <span style=\"text-decoration:line-through\">extension</span><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\"/></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-observation-delta-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/R5/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://hl7.org/fhir/StructureDefinition/observation-delta\"</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_datatype.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-observation-delta-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/R5/datatypes.html#CodeableConcept\">CodeableConcept</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\"><span style=\"opacity: 0.5\">Value of extension</span></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>"^^rdf:XMLLiteral ] ; # fhir:extension ( [ fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ] ; fhir:value [ a fhir:code ; fhir:v "oo" ] ] [ fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"^^xsd:anyURI ] ; fhir:value [ a fhir:integer ; fhir:v 3 ] ] [ fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ; fhir:value [ a fhir:code ; fhir:v "deprecated" ; ( fhir:extension [ fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status-reason"^^xsd:anyURI ] ; fhir:value [ a fhir:markdown ; fhir:v "Shall be handled using a different mechanism. See Observation Notes for more information." ] ] ) ] ] [ 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/observation-delta"^^xsd:anyURI] ; # fhir:identifier ( [ fhir:system [ fhir:v "urn:ietf:rfc:3986"^^xsd:anyURI ] ; fhir:value [ fhir:v "urn:oid:2.16.840.1.113883.4.642.5.1477" ] ] ) ; # fhir:version [ fhir:v "5.3.0-ballot-tc1"] ; # fhir:name [ fhir:v "ObsDelta"] ; # fhir:title [ fhir:v "Observation Delta"] ; # fhir:status [ fhir:v "retired"] ; # fhir:experimental [ fhir:v false] ; # fhir:date [ fhir:v "2015-03-02"^^xsd:date] ; # fhir:publisher [ fhir:v "HL7 International / Orders and Observations"] ; # fhir:contact ( [ ( fhir:telecom [ fhir:system [ fhir:v "url" ] ; fhir:value [ fhir:v "http://www.hl7.org/Special/committees/orders" ] ] ) ] ) ; # fhir:description [ fhir:v "The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant. Note: To perform a delta check one can instantiate a new observation (the comparison observation) with derivedFrom populated with references to the two prior Observations that triggered the delta check. Also, the Observation.interpretation of the comparison Observation has the code of the interpretation of the delta check."] ; # 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:fhirVersion [ fhir:v "5.0.0"] ; # 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:context ( [ fhir:type [ fhir:v "element" ] ; fhir:expression [ fhir:v "Observation" ] ] ) ; # fhir:type [ fhir:v "Extension"^^xsd:anyURI] ; # fhir:baseDefinition [ fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ; fhir:link <http://hl7.org/fhir/StructureDefinition/Extension> ] ; # fhir:derivation [ fhir:v "constraint"] ; # fhir:snapshot [ ( fhir:extension [ fhir:url [ fhir:v "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version"^^xsd:anyURI ] ; fhir:value [ a fhir:string ; fhir:v "5.0.0" ] ] ) ; ( fhir:element [ fhir:id [ fhir:v "Extension" ] ; fhir:path [ fhir:v "Extension" ] ; fhir:short [ fhir:v "Qualitative change or trend in the measurement" ] ; fhir:definition [ fhir:v "The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant." ] ; fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ; fhir:max [ fhir:v "1" ] ; 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: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 "Extension" ] ; fhir:definition [ fhir:v "An Extension" ] ; fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ; fhir:max [ fhir:v "0" ] ; 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: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:isSummary [ fhir:v false ] ] [ 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:fixed [ a fhir:uri ; fhir:v "http://hl7.org/fhir/StructureDefinition/observation-delta"^^xsd:anyURI ] ; 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.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](http://hl7.org/fhir/R5/extensibility.html) for a list)." ] ; fhir:min [ fhir:v "1"^^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 "CodeableConcept"^^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 false ] ; ( fhir:mapping [ fhir:identity [ fhir:v "rim" ] ; fhir:map [ fhir:v "N/A" ] ] ) ] ) ] ; # fhir:differential [ ( fhir:element [ fhir:id [ fhir:v "Extension" ] ; fhir:path [ fhir:v "Extension" ] ; fhir:short [ fhir:v "Qualitative change or trend in the measurement" ] ; fhir:definition [ fhir:v "The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant." ] ; fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ; fhir:max [ fhir:v "1" ] ] [ fhir:id [ fhir:v "Extension.extension" ] ; fhir:path [ fhir:v "Extension.extension" ] ; fhir:max [ fhir:v "0" ] ] [ fhir:id [ fhir:v "Extension.url" ] ; fhir:path [ fhir:v "Extension.url" ] ; fhir:fixed [ a fhir:uri ; fhir:v "http://hl7.org/fhir/StructureDefinition/observation-delta"^^xsd:anyURI ] ] [ fhir:id [ fhir:v "Extension.value[x]" ] ; fhir:path [ fhir:v "Extension.value[x]" ] ; fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ; ( fhir:type [ fhir:code [ fhir:v "CodeableConcept"^^xsd:anyURI ] ] ) ] ) ] . #
IG © 2022+ HL7 International / FHIR Infrastructure. Package hl7.fhir.uv.extensions#5.3.0-ballot-tc1 based on FHIR 5.0.0. Generated 2025-08-03
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