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 |
XML representation of the ELEMENT logical model.
<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="ELEMENT"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition ELEMENT</b></p><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,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3goXBCwdPqAP0wAAAldJREFUOMuNk0tIlFEYhp9z/vE2jHkhxXA0zJCMitrUQlq4lnSltEqCFhFG2MJFhIvIFpkEWaTQqjaWZRkp0g26URZkTpbaaOJkDqk10szoODP//7XIMUe0elcfnPd9zsfLOYplGrpRwZaqTtw3K7PtGem7Q6FoidbGgqHVy/HRb669R+56zx7eRV1L31JGxYbBtjKK93cxeqfyQHbehkZbUkK20goELEuIzEd+dHS+qz/Y8PTSif0FnGkbiwcAjHaU1+QWOptFiyCLp/LnKptpqIuXHx6rbR26kJcBX3yLgBfnd7CxwJmflpP2wUg0HIAoUUpZBmKzELGWcN8nAr6Gpu7tLU/CkwAaoKTWRSQyt89Q8w6J+oVQkKnBoblH7V0PPvUOvDYXfopE/SJmALsxnVm6LbkotrUtNowMeIrVrBcBpaMmdS0j9df7abpSuy7HWehwJdt1lhVwi/J58U5beXGAF6c3UXLycw1wdFklArBn87xdh0ZsZtArghBdAA3+OEDVubG4UEzP6x1FOWneHh2VDAHBAt80IbdXDcesNoCvs3E5AFyNSU5nbrDPZpcUEQQTFZiEVx+51fxMhhyJEAgvlriadIJZZksRuwBYMOPBbO3hePVVqgEJhFeUuFLhIPkRP6BQLIBrmMenujm/3g4zc398awIe90Zb5A1vREALqneMcYgP/xVQWlG+Ncu5vgwwlaUNx+3799rfe96u9K0JSDXcOzOTJg4B6IgmXfsygc7/Bvg9g9E58/cDVmGIBOP/zT8Bz1zqWqpbXIsd0O9hajXfL6u4BaOS6SeWAAAAAElFTkSuQmCC" 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-ELEMENT-definitions.html#ELEMENT" title="The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached. ">ELEMENT</a><a name="ELEMENT"> </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 maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;" href="http://hl7.org/fhir/R5/conformance-rules.html#constraints" title="This element has or is affected by constraints ( Inv_is_null_valid, Inv_null_flavour_indicated, Inv_null_flavour_valid, Inv_null_reason_valid )">C</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="StructureDefinition-ITEM.html">ITEM</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">The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached.<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.
">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.
At an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object.
">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 class="constraint"/><span title="null" class="constraint">Constraints: </span><span style="font-weight:bold" title="Inv is null valid" class="constraint">Inv_is_null_valid</span><span title="null" class="constraint">, </span><span style="font-weight:bold" title="Inv null flavour indicated must satisfy exclusive conditions" class="constraint">Inv_null_flavour_indicated</span><span title="null" class="constraint">, </span><span style="font-weight:bold" title="Inv null flavour valid must satisfy conditional constraints" class="constraint">Inv_null_flavour_valid</span><span title="null" class="constraint">, </span><span style="font-weight:bold" title="Inv null reason valid must be present" class="constraint">Inv_null_reason_valid</span><br/></td></tr>
<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_resource.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-ELEMENT-definitions.html#ELEMENT.null-flavour" title="Flavour of null value, e.g. `253|unknown|`, `271|no information|`, `272|masked|`, and `273|not applicable|`.">null_flavour</a><a name="ELEMENT.null_flavour"> </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">0..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-DV-CODED-TEXT.html">DV_CODED_TEXT</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">Flavour of null value, e.</td></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_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_resource.png" alt="." style="background-color: white; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-ELEMENT-definitions.html#ELEMENT.value" title="Property representing leaf value object of `ELEMENT`. In real data, any concrete subtype of `DATA_VALUE` can be used.">value</a><a name="ELEMENT.value"> </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="StructureDefinition-DATA-VALUE.html">DATA_VALUE</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">Property representing leaf value object of `ELEMENT`.</td></tr>
<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-ELEMENT-definitions.html#ELEMENT.null-reason" title="Optional specific reason for null value; if set, `_null_flavour_` must be set. Null reason may apply only to a minority of clinical data, commonly needed in reporting contexts.">null_reason</a><a name="ELEMENT.null_reason"> </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">0..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-DV-TEXT.html">DV_TEXT</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">Optional specific reason for null value; if set, `_null_flavour_` must be set.</td></tr>
<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>
</text>
<contained>
<OperationDefinition>
<id value="is_null"/>
<name value="is_null"/>
<title value="is_null"/>
<status value="active"/>
<kind value="operation"/>
<description
value="True if value logically not known, e.g. if indeterminate, not asked etc. "/>
<code value="is_null"/>
<system value="false"/>
<instance value="true"/>
<parameter>
<name value="return"/>
<use value="out"/>
<min value="1"/>
<max value="1"/>
<type value="boolean"/>
</parameter>
</OperationDefinition>
</contained>
<extension url="http://hl7.org/fhir/tools/StructureDefinition/web-source">
<valueUrl
value="https://specifications.openehr.org/releases/RM/Release-1.1.0/data_structures.html#_element_class"/>
</extension>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
<valueCanonical value="#is_null"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="fhir"/>
</extension>
<extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
<valueCode value="element-view-replace-cardinality"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="3">
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
<valueCanonical
value="http://openehr.org/fhir/ImplementationGuide/openehr.base"/>
</extension>
</valueInteger>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
<valueCode value="informative">
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
<valueCanonical
value="http://openehr.org/fhir/ImplementationGuide/openehr.base"/>
</extension>
</valueCode>
</extension>
<url value="http://openehr.org/fhir/StructureDefinition/ELEMENT"/>
<version value="0.1.0"/>
<name value="ELEMENT"/>
<title value="ELEMENT"/>
<status value="active"/>
<experimental value="false"/>
<date value="2025-09-06T15:35:39+10:00"/>
<publisher value="openEHR + HL7"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://www.openehr.org"/>
</telecom>
</contact>
<description
value="The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached. "/>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
</coding>
</jurisdiction>
<fhirVersion value="5.0.0"/>
<mapping>
<identity value="rim"/>
<uri value="http://hl7.org/v3"/>
<name value="RIM Mapping"/>
</mapping>
<kind value="logical"/>
<abstract value="false"/>
<type value="http://openehr.org/fhir/StructureDefinition/ELEMENT"/>
<baseDefinition value="http://openehr.org/fhir/StructureDefinition/ITEM"/>
<derivation value="specialization"/>
<snapshot>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
<valueString value="0.1.0"/>
</extension>
<element id="ELEMENT">
<path value="ELEMENT"/>
<short
value="The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached."/>
<definition
value="The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached. "/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Base"/>
<min value="0"/>
<max value="*"/>
</base>
<constraint>
<key value="Links_valid"/>
<severity value="error"/>
<human value="Links valid must be present"/>
<expression value="links.exists() implies links.empty().not()"/>
<source
value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
</constraint>
<constraint>
<key value="Archetyped_valid"/>
<severity value="error"/>
<human value="Archetyped valid must satisfy exclusive conditions"/>
<expression
value="is_archetype_root() xor archetype_details .empty()"/>
<source
value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
</constraint>
<constraint>
<key value="Archetype_node_id_valid"/>
<severity value="error"/>
<human value="Archetype node id valid must not be empty"/>
<expression value="archetype_node_id.empty().not()"/>
<source
value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
</constraint>
<constraint>
<key value="Inv_is_null_valid"/>
<severity value="error"/>
<human value="Inv is null valid"/>
<expression value="is_null() = (value .empty())"/>
</constraint>
<constraint>
<key value="Inv_null_flavour_indicated"/>
<severity value="error"/>
<human
value="Inv null flavour indicated must satisfy exclusive conditions"/>
<expression value="is_null() xor null_flavour .empty()"/>
</constraint>
<constraint>
<key value="Inv_null_flavour_valid"/>
<severity value="error"/>
<human
value="Inv null flavour valid must satisfy conditional constraints"/>
<expression
value="is_null() implies terminology (Terminology_id_openehr).has_code_for_group_id (Group_id_null_flavour, null_flavour.defining_code)"/>
</constraint>
<constraint>
<key value="Inv_null_reason_valid"/>
<severity value="error"/>
<human value="Inv null reason valid must be present"/>
<expression value="null_reason.exists() implies is_null()"/>
</constraint>
<isModifier value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="ELEMENT.name">
<path value="ELEMENT.name"/>
<short
value="Runtime name of this fragment, used to build runtime paths."/>
<definition
value="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 value="1"/>
<max value="1"/>
<base>
<path value="LOCATABLE.name"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/DV-TEXT"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.archetype-node-id">
<path value="ELEMENT.archetype_node_id"/>
<short
value="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths."/>
<definition
value="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.
At 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 value="1"/>
<max value="1"/>
<base>
<path value="LOCATABLE.archetype_node_id"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="string"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.uid">
<path value="ELEMENT.uid"/>
<short
value="Optional globally unique object identifier for root points of archetyped structures."/>
<definition
value="Optional globally unique object identifier for root points of archetyped structures."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="LOCATABLE.uid"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/UID-BASED-ID"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.links">
<path value="ELEMENT.links"/>
<short
value="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on)."/>
<definition
value="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 value="0"/>
<max value="*"/>
<base>
<path value="LOCATABLE.links"/>
<min value="0"/>
<max value="*"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/LINK"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.archetype-details">
<path value="ELEMENT.archetype_details"/>
<short value="Details of archetyping used on this node."/>
<definition value="Details of archetyping used on this node."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="LOCATABLE.archetype_details"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/ARCHETYPED"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.feeder-audit">
<path value="ELEMENT.feeder_audit"/>
<short
value="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
value="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 value="0"/>
<max value="1"/>
<base>
<path value="LOCATABLE.feeder_audit"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/FEEDER-AUDIT"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.null-flavour">
<path value="ELEMENT.null_flavour"/>
<short value="Flavour of null value, e."/>
<definition
value="Flavour of null value, e.g. `253|unknown|`, `271|no information|`, `272|masked|`, and `273|not applicable|`."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ELEMENT.null_flavour"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-CODED-TEXT"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.value">
<path value="ELEMENT.value"/>
<short value="Property representing leaf value object of `ELEMENT`."/>
<definition
value="Property representing leaf value object of `ELEMENT`. In real data, any concrete subtype of `DATA_VALUE` can be used."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ELEMENT.value"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/DATA-VALUE"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.null-reason">
<path value="ELEMENT.null_reason"/>
<short
value="Optional specific reason for null value; if set, `_null_flavour_` must be set."/>
<definition
value="Optional specific reason for null value; if set, `_null_flavour_` must be set. Null reason may apply only to a minority of clinical data, commonly needed in reporting contexts."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="ELEMENT.null_reason"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/DV-TEXT"/>
</type>
<isModifier value="false"/>
</element>
</snapshot>
<differential>
<element id="ELEMENT">
<path value="ELEMENT"/>
<short
value="The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached."/>
<definition
value="The leaf variant of `ITEM`, to which a `DATA_VALUE` instance is attached. "/>
<min value="0"/>
<max value="*"/>
<constraint>
<key value="Inv_is_null_valid"/>
<severity value="error"/>
<human value="Inv is null valid"/>
<expression value="is_null() = (value .empty())"/>
</constraint>
<constraint>
<key value="Inv_null_flavour_indicated"/>
<severity value="error"/>
<human
value="Inv null flavour indicated must satisfy exclusive conditions"/>
<expression value="is_null() xor null_flavour .empty()"/>
</constraint>
<constraint>
<key value="Inv_null_flavour_valid"/>
<severity value="error"/>
<human
value="Inv null flavour valid must satisfy conditional constraints"/>
<expression
value="is_null() implies terminology (Terminology_id_openehr).has_code_for_group_id (Group_id_null_flavour, null_flavour.defining_code)"/>
</constraint>
<constraint>
<key value="Inv_null_reason_valid"/>
<severity value="error"/>
<human value="Inv null reason valid must be present"/>
<expression value="null_reason.exists() implies is_null()"/>
</constraint>
<isModifier value="false"/>
</element>
<element id="ELEMENT.null-flavour">
<path value="ELEMENT.null_flavour"/>
<short value="Flavour of null value, e."/>
<definition
value="Flavour of null value, e.g. `253|unknown|`, `271|no information|`, `272|masked|`, and `273|not applicable|`."/>
<min value="0"/>
<max value="1"/>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-CODED-TEXT"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.value">
<path value="ELEMENT.value"/>
<short value="Property representing leaf value object of `ELEMENT`."/>
<definition
value="Property representing leaf value object of `ELEMENT`. In real data, any concrete subtype of `DATA_VALUE` can be used."/>
<min value="0"/>
<max value="1"/>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/DATA-VALUE"/>
</type>
<isModifier value="false"/>
</element>
<element id="ELEMENT.null-reason">
<path value="ELEMENT.null_reason"/>
<short
value="Optional specific reason for null value; if set, `_null_flavour_` must be set."/>
<definition
value="Optional specific reason for null value; if set, `_null_flavour_` must be set. Null reason may apply only to a minority of clinical data, commonly needed in reporting contexts."/>
<min value="0"/>
<max value="1"/>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/DV-TEXT"/>
</type>
<isModifier value="false"/>
</element>
</differential>
</StructureDefinition>