OpenEHR Base package
0.1.0 - First Draft
OpenEHR Base package
0.1.0 - First Draft
OpenEHR Base package, published by openEHR + HL7. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/openehr-fhir/base-spec/ and changes regularly. See the Directory of published versions
| Page standards status: Informative | Maturity Level: 3 |
JSON representation of the ITEM-SINGLE logical model.
{
"resourceType" : "StructureDefinition",
"id" : "ITEM-SINGLE",
"text" : {
"status" : "extensions",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition ITEM-SINGLE</b></p><a name=\"ITEM-SINGLE\"> </a><a name=\"hcITEM-SINGLE\"> </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-ITEM-SINGLE-definitions.html#ITEM_SINGLE\" title=\"Logical single value data structure. Used to represent any data which is logically a single value, such as a person's height or weight.\">ITEM_SINGLE</a><a name=\"ITEM_SINGLE\"> </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..*</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=\"StructureDefinition-ITEM-STRUCTURE.html\">ITEM_STRUCTURE</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\">Logical single value data structure.<br/><br/>Elements defined in Ancestors:<a href=\"StructureDefinition-LOCATABLE.html\" title=\"Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users. \n\">name</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g. `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology. \n\nAt an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object. \n\">archetype_node_id</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Optional globally unique object identifier for root points of archetyped structures. \">uid</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions. \">links</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Details of archetyping used on this node.\">archetype_details</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node. \">feeder_audit</a><br/></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_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_resource.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ITEM-SINGLE-definitions.html#ITEM_SINGLE.item\">item</a><a name=\"ITEM_SINGLE.item\"> </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 href=\"StructureDefinition-ELEMENT.html\">ELEMENT</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\"/></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>"
},
"contained" : [
{
"resourceType" : "OperationDefinition",
"id" : "as_hierarchy",
"name" : "as_hierarchy",
"title" : "as_hierarchy",
"status" : "active",
"kind" : "operation",
"description" : "Generate a CEN EN13606-compatible hierarchy consisting of a single `ELEMENT`.",
"code" : "as_hierarchy",
"system" : false,
"instance" : true,
"parameter" : [
{
"name" : "return",
"use" : "out",
"min" : 1,
"max" : "1",
"type" : "Parameters"
}
]
}
],
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/web-source",
"valueUrl" : "https://specifications.openehr.org/releases/RM/Release-1.1.0/data_structures.html#_item_single_class"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#as_hierarchy"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "fhir"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-replace-cardinality"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger" : 3,
"_valueInteger" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical" : "http://openehr.org/fhir/ImplementationGuide/openehr.base"
}
]
}
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "informative",
"_valueCode" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical" : "http://openehr.org/fhir/ImplementationGuide/openehr.base"
}
]
}
}
],
"url" : "http://openehr.org/fhir/StructureDefinition/ITEM-SINGLE",
"version" : "0.1.0",
"name" : "ITEM_SINGLE",
"title" : "ITEM_SINGLE",
"status" : "active",
"experimental" : false,
"date" : "2025-09-06T15:35:39+10:00",
"publisher" : "openEHR + HL7",
"contact" : [
{
"telecom" : [
{
"system" : "url",
"value" : "http://www.openehr.org"
}
]
}
],
"description" : "Logical single value data structure. Used to represent any data which is logically a single value, such as a person's height or weight.",
"jurisdiction" : [
{
"coding" : [
{
"system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code" : "001"
}
]
}
],
"fhirVersion" : "5.0.0",
"mapping" : [
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}
],
"kind" : "logical",
"abstract" : false,
"type" : "http://openehr.org/fhir/StructureDefinition/ITEM_SINGLE",
"baseDefinition" : "http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE",
"derivation" : "specialization",
"snapshot" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString" : "0.1.0"
}
],
"element" : [
{
"id" : "ITEM_SINGLE",
"path" : "ITEM_SINGLE",
"short" : "Logical single value data structure.",
"definition" : "Logical single value data structure. Used to represent any data which is logically a single value, such as a person's height or weight.",
"min" : 0,
"max" : "*",
"base" : {
"path" : "Base",
"min" : 0,
"max" : "*"
},
"constraint" : [
{
"key" : "Links_valid",
"severity" : "error",
"human" : "Links valid must be present",
"expression" : "links.exists() implies links.empty().not()",
"source" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE"
},
{
"key" : "Archetyped_valid",
"severity" : "error",
"human" : "Archetyped valid must satisfy exclusive conditions",
"expression" : "is_archetype_root() xor archetype_details .empty()",
"source" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE"
},
{
"key" : "Archetype_node_id_valid",
"severity" : "error",
"human" : "Archetype node id valid must not be empty",
"expression" : "archetype_node_id.empty().not()",
"source" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE"
}
],
"isModifier" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "ITEM_SINGLE.name",
"path" : "ITEM_SINGLE.name",
"short" : "Runtime name of this fragment, used to build runtime paths.",
"definition" : "Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "LOCATABLE.name",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/DV-TEXT"
}
],
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.archetype-node-id",
"path" : "ITEM_SINGLE.archetype_node_id",
"short" : "Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths.",
"definition" : "Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g. `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology. \n\nAt an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "LOCATABLE.archetype_node_id",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.uid",
"path" : "ITEM_SINGLE.uid",
"short" : "Optional globally unique object identifier for root points of archetyped structures.",
"definition" : "Optional globally unique object identifier for root points of archetyped structures.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "LOCATABLE.uid",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/UID-BASED-ID"
}
],
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.links",
"path" : "ITEM_SINGLE.links",
"short" : "Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on).",
"definition" : "Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions.",
"min" : 0,
"max" : "*",
"base" : {
"path" : "LOCATABLE.links",
"min" : 0,
"max" : "*"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/LINK"
}
],
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.archetype-details",
"path" : "ITEM_SINGLE.archetype_details",
"short" : "Details of archetyping used on this node.",
"definition" : "Details of archetyping used on this node.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "LOCATABLE.archetype_details",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/ARCHETYPED"
}
],
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.feeder-audit",
"path" : "ITEM_SINGLE.feeder_audit",
"short" : "Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.",
"definition" : "Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "LOCATABLE.feeder_audit",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/FEEDER-AUDIT"
}
],
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.item",
"path" : "ITEM_SINGLE.item",
"min" : 1,
"max" : "1",
"base" : {
"path" : "ITEM_SINGLE.item",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/ELEMENT"
}
],
"isModifier" : false
}
]
},
"differential" : {
"element" : [
{
"id" : "ITEM_SINGLE",
"path" : "ITEM_SINGLE",
"short" : "Logical single value data structure.",
"definition" : "Logical single value data structure. Used to represent any data which is logically a single value, such as a person's height or weight.",
"min" : 0,
"max" : "*",
"isModifier" : false
},
{
"id" : "ITEM_SINGLE.item",
"path" : "ITEM_SINGLE.item",
"min" : 1,
"max" : "1",
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/ELEMENT"
}
],
"isModifier" : false
}
]
}
}