StructureDefinition Extension-UKCore-LegalStatus

Canonical_URLDescriptionProfile_Purpose
https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus

Information relating to a patient's legal status on admission or discharge.

This extension extends the Encounter Resource to support the exchange of information relating to a patient's legal status on admission or discharge.

Context of Use Encounter

Tree View

id0..1string
id0..1string
extensionI0..*Extension
url1..1uriFixed Value
valueCodeableConceptCodeableConcept
id0..1string
extensionI0..*Extension
url1..1uriFixed Value
valueCodeableConceptCodeableConcept
url1..1uriFixed Value

Table View

Extension0..*
Extension.idstring0..1
Extension.extensionExtension2..*
Extension.extensionExtension1..1
Extension.extension.idstring0..1
Extension.extension.extensionExtension0..*
Extension.extension.urluri1..1
Extension.extension.value[x]CodeableConcept1..1
Extension.extensionExtension1..1
Extension.extension.idstring0..1
Extension.extension.extensionExtension0..*
Extension.extension.urluri1..1
Extension.extension.value[x]CodeableConcept1..1
Extension.urluri1..1
Extension.value[x]base64Binary, boolean, canonical(), code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference(), SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta0..0

XML View

<StructureDefinition xmlns="http://hl7.org/fhir">
    <id value="Extension-UKCore-LegalStatus" />
    <url value="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus" />
    <version value="1.2.0" />
    <name value="ExtensionUKCoreLegalStatus" />
    <title value="Extension UK Core Legal Status" />
    <status value="active" />
    <date value="2023-12-12" />
    <publisher value="HL7 UK" />
    <contact>
        <name value="HL7 UK" />
        <telecom>
            <system value="email" />
            <value value="ukcore@hl7.org.uk" />
            <use value="work" />
            <rank value="1" />
        </telecom>
    </contact>
    <description value="Information relating to a patient&#39;s legal status on admission or discharge." />
    <purpose value="This extension extends the Encounter Resource to support the exchange of information relating to a patient&#39;s legal status on admission or discharge." />
    <copyright value="Copyright &#169; 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7&#174; FHIR&#174; standard Copyright &#169; 2011+ HL7 The HL7&#174; FHIR&#174; standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
    <fhirVersion value="4.0.1" />
    <mapping>
        <identity value="rim" />
        <uri value="http://hl7.org/v3" />
        <name value="RIM Mapping" />
    </mapping>
    <kind value="complex-type" />
    <abstract value="false" />
    <context>
        <type value="element" />
        <expression value="Encounter" />
    </context>
    <type value="Extension" />
    <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
    <derivation value="constraint" />
    <snapshot>
        <element id="Extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension" />
            <short value="Optional Extensions Element" />
            <definition value="Optional Extension Element - found in all resources." />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.id">
            <path value="Extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="2" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusContext">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <sliceName value="legalStatusContext" />
            <short value="The context of the legal status." />
            <definition value="The context of the legal status in which a mental health legal status is being used." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusContext.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusContext.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusContext.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment 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." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="legalStatusContext" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusContext.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.value[x]" />
            <short value="The context in which a mental health legal status is being used." />
            <definition value="The context in which a mental health legal status is being used." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="CodeableConcept" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <binding>
                <strength value="extensible" />
                <description value="A set of codes that define the context in which a mental health legal status is being used." />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusContext" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusClassification">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <sliceName value="legalStatusClassification" />
            <short value="The classification of a patient&#39;s legal status." />
            <definition value="The classification of a patient&#39;s legal status, which is either informal or as designated in the Mental Health Act 1983 or other acts." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusClassification.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusClassification.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusClassification.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment 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." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="legalStatusClassification" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:legalStatusClassification.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.value[x]" />
            <short value="Codes that define the classification of a patient&#39;s legal status" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="CodeableConcept" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <binding>
                <strength value="extensible" />
                <description value="A set of codes that define the classification of a patient&#39;s legal status which is either informal or as designated in the Mental Health Act 1983 or other acts." />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusClassification" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.url">
            <path value="Extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment 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." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
            <min value="0" />
            <max value="0" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="base64Binary" />
            </type>
            <type>
                <code value="boolean" />
            </type>
            <type>
                <code value="canonical" />
            </type>
            <type>
                <code value="code" />
            </type>
            <type>
                <code value="date" />
            </type>
            <type>
                <code value="dateTime" />
            </type>
            <type>
                <code value="decimal" />
            </type>
            <type>
                <code value="id" />
            </type>
            <type>
                <code value="instant" />
            </type>
            <type>
                <code value="integer" />
            </type>
            <type>
                <code value="markdown" />
            </type>
            <type>
                <code value="oid" />
            </type>
            <type>
                <code value="positiveInt" />
            </type>
            <type>
                <code value="string" />
            </type>
            <type>
                <code value="time" />
            </type>
            <type>
                <code value="unsignedInt" />
            </type>
            <type>
                <code value="uri" />
            </type>
            <type>
                <code value="url" />
            </type>
            <type>
                <code value="uuid" />
            </type>
            <type>
                <code value="Address" />
            </type>
            <type>
                <code value="Age" />
            </type>
            <type>
                <code value="Annotation" />
            </type>
            <type>
                <code value="Attachment" />
            </type>
            <type>
                <code value="CodeableConcept" />
            </type>
            <type>
                <code value="Coding" />
            </type>
            <type>
                <code value="ContactPoint" />
            </type>
            <type>
                <code value="Count" />
            </type>
            <type>
                <code value="Distance" />
            </type>
            <type>
                <code value="Duration" />
            </type>
            <type>
                <code value="HumanName" />
            </type>
            <type>
                <code value="Identifier" />
            </type>
            <type>
                <code value="Money" />
            </type>
            <type>
                <code value="Period" />
            </type>
            <type>
                <code value="Quantity" />
            </type>
            <type>
                <code value="Range" />
            </type>
            <type>
                <code value="Ratio" />
            </type>
            <type>
                <code value="Reference" />
            </type>
            <type>
                <code value="SampledData" />
            </type>
            <type>
                <code value="Signature" />
            </type>
            <type>
                <code value="Timing" />
            </type>
            <type>
                <code value="ContactDetail" />
            </type>
            <type>
                <code value="Contributor" />
            </type>
            <type>
                <code value="DataRequirement" />
            </type>
            <type>
                <code value="Expression" />
            </type>
            <type>
                <code value="ParameterDefinition" />
            </type>
            <type>
                <code value="RelatedArtifact" />
            </type>
            <type>
                <code value="TriggerDefinition" />
            </type>
            <type>
                <code value="UsageContext" />
            </type>
            <type>
                <code value="Dosage" />
            </type>
            <type>
                <code value="Meta" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
    </snapshot>
    <differential>
        <element id="Extension.extension">
            <path value="Extension.extension" />
            <min value="2" />
        </element>
        <element id="Extension.extension:legalStatusContext">
            <path value="Extension.extension" />
            <sliceName value="legalStatusContext" />
            <short value="The context of the legal status." />
            <definition value="The context of the legal status in which a mental health legal status is being used." />
            <min value="1" />
            <max value="1" />
        </element>
        <element id="Extension.extension:legalStatusContext.url">
            <path value="Extension.extension.url" />
            <fixedUri value="legalStatusContext" />
        </element>
        <element id="Extension.extension:legalStatusContext.value[x]">
            <path value="Extension.extension.value[x]" />
            <short value="The context in which a mental health legal status is being used." />
            <definition value="The context in which a mental health legal status is being used." />
            <min value="1" />
            <type>
                <code value="CodeableConcept" />
            </type>
            <binding>
                <strength value="extensible" />
                <description value="A set of codes that define the context in which a mental health legal status is being used." />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusContext" />
            </binding>
        </element>
        <element id="Extension.extension:legalStatusClassification">
            <path value="Extension.extension" />
            <sliceName value="legalStatusClassification" />
            <short value="The classification of a patient&#39;s legal status." />
            <definition value="The classification of a patient&#39;s legal status, which is either informal or as designated in the Mental Health Act 1983 or other acts." />
            <min value="1" />
            <max value="1" />
        </element>
        <element id="Extension.extension:legalStatusClassification.url">
            <path value="Extension.extension.url" />
            <fixedUri value="legalStatusClassification" />
        </element>
        <element id="Extension.extension:legalStatusClassification.value[x]">
            <path value="Extension.extension.value[x]" />
            <short value="Codes that define the classification of a patient&#39;s legal status" />
            <min value="1" />
            <type>
                <code value="CodeableConcept" />
            </type>
            <binding>
                <strength value="extensible" />
                <description value="A set of codes that define the classification of a patient&#39;s legal status which is either informal or as designated in the Mental Health Act 1983 or other acts." />
                <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusClassification" />
            </binding>
        </element>
        <element id="Extension.url">
            <path value="Extension.url" />
            <fixedUri value="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus" />
        </element>
        <element id="Extension.value[x]">
            <path value="Extension.value[x]" />
            <max value="0" />
        </element>
    </differential>
</StructureDefinition>

JSON View

{
    "resourceType": "StructureDefinition",
    "id": "Extension-UKCore-LegalStatus",
    "url": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus",
    "version": "1.2.0",
    "name": "ExtensionUKCoreLegalStatus",
    "title": "Extension UK Core Legal Status",
    "status": "active",
    "date": "2023-12-12",
    "publisher": "HL7 UK",
    "contact":  [
        {
            "name": "HL7 UK",
            "telecom":  [
                {
                    "system": "email",
                    "value": "ukcore@hl7.org.uk",
                    "use": "work",
                    "rank": 1
                }
            ]
        }
    ],
    "description": "Information relating to a patient's legal status on admission or discharge.",
    "purpose": "This extension extends the Encounter Resource to support the exchange of information relating to a patient's legal status on admission or discharge.",
    "copyright": "Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html.",
    "fhirVersion": "4.0.1",
    "mapping":  [
        {
            "identity": "rim",
            "uri": "http://hl7.org/v3",
            "name": "RIM Mapping"
        }
    ],
    "kind": "complex-type",
    "abstract": false,
    "context":  [
        {
            "type": "element",
            "expression": "Encounter"
        }
    ],
    "type": "Extension",
    "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
    "derivation": "constraint",
    "snapshot": {
        "element":  [
            {
                "id": "Extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension",
                "short": "Optional Extensions Element",
                "definition": "Optional Extension Element - found in all resources.",
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Extension",
                    "min": 0,
                    "max": "*"
                },
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.id",
                "path": "Extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 2,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusContext",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "sliceName": "legalStatusContext",
                "short": "The context of the legal status.",
                "definition": "The context of the legal status in which a mental health legal status is being used.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusContext.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusContext.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusContext.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "legalStatusContext",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusContext.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.value[x]",
                "short": "The context in which a mental health legal status is being used.",
                "definition": "The context in which a mental health legal status is being used.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "binding": {
                    "strength": "extensible",
                    "description": "A set of codes that define the context in which a mental health legal status is being used.",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusContext"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusClassification",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "sliceName": "legalStatusClassification",
                "short": "The classification of a patient's legal status.",
                "definition": "The classification of a patient's legal status, which is either informal or as designated in the Mental Health Act 1983 or other acts.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusClassification.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusClassification.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusClassification.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "legalStatusClassification",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:legalStatusClassification.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.value[x]",
                "short": "Codes that define the classification of a patient's legal status",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "binding": {
                    "strength": "extensible",
                    "description": "A set of codes that define the classification of a patient's legal status which is either informal or as designated in the Mental Health Act 1983 or other acts.",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusClassification"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.url",
                "path": "Extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
                "min": 0,
                "max": "0",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "base64Binary"
                    },
                    {
                        "code": "boolean"
                    },
                    {
                        "code": "canonical"
                    },
                    {
                        "code": "code"
                    },
                    {
                        "code": "date"
                    },
                    {
                        "code": "dateTime"
                    },
                    {
                        "code": "decimal"
                    },
                    {
                        "code": "id"
                    },
                    {
                        "code": "instant"
                    },
                    {
                        "code": "integer"
                    },
                    {
                        "code": "markdown"
                    },
                    {
                        "code": "oid"
                    },
                    {
                        "code": "positiveInt"
                    },
                    {
                        "code": "string"
                    },
                    {
                        "code": "time"
                    },
                    {
                        "code": "unsignedInt"
                    },
                    {
                        "code": "uri"
                    },
                    {
                        "code": "url"
                    },
                    {
                        "code": "uuid"
                    },
                    {
                        "code": "Address"
                    },
                    {
                        "code": "Age"
                    },
                    {
                        "code": "Annotation"
                    },
                    {
                        "code": "Attachment"
                    },
                    {
                        "code": "CodeableConcept"
                    },
                    {
                        "code": "Coding"
                    },
                    {
                        "code": "ContactPoint"
                    },
                    {
                        "code": "Count"
                    },
                    {
                        "code": "Distance"
                    },
                    {
                        "code": "Duration"
                    },
                    {
                        "code": "HumanName"
                    },
                    {
                        "code": "Identifier"
                    },
                    {
                        "code": "Money"
                    },
                    {
                        "code": "Period"
                    },
                    {
                        "code": "Quantity"
                    },
                    {
                        "code": "Range"
                    },
                    {
                        "code": "Ratio"
                    },
                    {
                        "code": "Reference"
                    },
                    {
                        "code": "SampledData"
                    },
                    {
                        "code": "Signature"
                    },
                    {
                        "code": "Timing"
                    },
                    {
                        "code": "ContactDetail"
                    },
                    {
                        "code": "Contributor"
                    },
                    {
                        "code": "DataRequirement"
                    },
                    {
                        "code": "Expression"
                    },
                    {
                        "code": "ParameterDefinition"
                    },
                    {
                        "code": "RelatedArtifact"
                    },
                    {
                        "code": "TriggerDefinition"
                    },
                    {
                        "code": "UsageContext"
                    },
                    {
                        "code": "Dosage"
                    },
                    {
                        "code": "Meta"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            }
        ]
    },
    "differential": {
        "element":  [
            {
                "id": "Extension.extension",
                "path": "Extension.extension",
                "min": 2
            },
            {
                "id": "Extension.extension:legalStatusContext",
                "path": "Extension.extension",
                "sliceName": "legalStatusContext",
                "short": "The context of the legal status.",
                "definition": "The context of the legal status in which a mental health legal status is being used.",
                "min": 1,
                "max": "1"
            },
            {
                "id": "Extension.extension:legalStatusContext.url",
                "path": "Extension.extension.url",
                "fixedUri": "legalStatusContext"
            },
            {
                "id": "Extension.extension:legalStatusContext.value[x]",
                "path": "Extension.extension.value[x]",
                "short": "The context in which a mental health legal status is being used.",
                "definition": "The context in which a mental health legal status is being used.",
                "min": 1,
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "binding": {
                    "strength": "extensible",
                    "description": "A set of codes that define the context in which a mental health legal status is being used.",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusContext"
                }
            },
            {
                "id": "Extension.extension:legalStatusClassification",
                "path": "Extension.extension",
                "sliceName": "legalStatusClassification",
                "short": "The classification of a patient's legal status.",
                "definition": "The classification of a patient's legal status, which is either informal or as designated in the Mental Health Act 1983 or other acts.",
                "min": 1,
                "max": "1"
            },
            {
                "id": "Extension.extension:legalStatusClassification.url",
                "path": "Extension.extension.url",
                "fixedUri": "legalStatusClassification"
            },
            {
                "id": "Extension.extension:legalStatusClassification.value[x]",
                "path": "Extension.extension.value[x]",
                "short": "Codes that define the classification of a patient's legal status",
                "min": 1,
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "binding": {
                    "strength": "extensible",
                    "description": "A set of codes that define the classification of a patient's legal status which is either informal or as designated in the Mental Health Act 1983 or other acts.",
                    "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-LegalStatusClassification"
                }
            },
            {
                "id": "Extension.url",
                "path": "Extension.url",
                "fixedUri": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-LegalStatus"
            },
            {
                "id": "Extension.value[x]",
                "path": "Extension.value[x]",
                "max": "0"
            }
        ]
    }
}

Examples

Legal Status- An example to illustrate the extension which is used to indicate a patient's legal status on admission or discharge.
Example UKCore-Encounter-Extension-LegalStatus

Guidance

There are two bindings within this extension. legalStatusContext element to ValueSet UKCore-LegalStatusContext , and legalStatusClassification element to ValueSet UKCore-LegalStatusClassification.


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