<?xml version="1.0" encoding="UTF-8"?>

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Extension-BookingDeadline"/>
  <text>
    <status value="extensions"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition Extension-BookingDeadline</b></p><a name="Extension-BookingDeadline"> </a><a name="hcExtension-BookingDeadline"> </a><table border="0" cellpadding="0" cellspacing="0" class="xhtTableBorder0"><tr class="xhtRowBorder1"><th scope="col" style="" class="hierarchy xhtCellBorder0"><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 scope="col" style="" class="hierarchy xhtCellBorder0"><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 scope="col" style="" class="hierarchy xhtCellBorder0"><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 scope="col" style="; width: 100px" class="hierarchy xhtCellBorder0"><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 scope="col" style="" class="hierarchy xhtCellBorder0"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr class="xhtRowBorder0 xhtRowEven"><td style="background-image: url(tbl_bck1.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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-Extension-BookingDeadline-definitions.html#Extension" title="This field contains the date and time by which the appointment is instructed to take place at the latest. The field is used, for example, when it is necessary to express when the appointment is to take place, but the time has not yet been booked.">Extension</a><a name="Extension"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0"><span class="xhtPieceDeEmphasized">0</span>..1</td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R4/extensibility.html#Extension">Extension</a></td><td style="" class="hierarchy xhtCellBorder0">Date and time by which the appointment is instructed to be made at the latest</td></tr>
<tr class="xhtRowBorder0 xhtRowOdd"><td style="background-image: url(tbl_bck10.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><img src="tbl_spacer.png" alt="" style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="" style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="" style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <span style="position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0" class="sr-only">Extension.</span><a href="StructureDefinition-Extension-BookingDeadline-definitions.html#Extension.url">url</a><a name="Extension.url"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0"><span class="xhtPieceDeEmphasized">1</span><span class="xhtPieceDeEmphasized">..</span><span class="xhtPieceDeEmphasized">1</span></td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R4/datatypes.html#uri" class="xhtPieceDeEmphasized">uri</a></td><td style="" class="hierarchy xhtCellBorder0"><span class="xhtPieceDarkGreen">&quot;https://pta.kanta.fi/fhir/StructureDefinition/extension/BookingDeadline&quot;</span></td></tr>
<tr class="xhtRowBorder0 xhtRowEven"><td style="background-image: url(tbl_bck00.png)" class="hierarchy xhtCellBorder0 xhtCellNoWrap"><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_primitive.png" alt="" style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <span style="position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0" class="sr-only">Extension.</span><a href="StructureDefinition-Extension-BookingDeadline-definitions.html#Extension.value[x]" title="This field contains the date and time by which the appointment is instructed to take place at the latest. The field is used, for example, when it is necessary to express when the appointment is to take place, but the time has not yet been booked.

If the appointment is instructed to take place by a certain date, the last time of the day is used in the appointment booking.

For example, if the appointment must take place by 15th of March 2025 at the latest, the time is presented as 2025-03-15T23:59:59+00:00.">value[x]</a><a name="Extension.value_x_"> </a></td><td style="" class="hierarchy xhtCellBorder0"/><td style="" class="hierarchy xhtCellBorder0">1..<span class="xhtPieceDeEmphasized">1</span></td><td style="" class="hierarchy xhtCellBorder0"><a href="http://hl7.org/fhir/R4/datatypes.html#dateTime">dateTime</a></td><td style="" class="hierarchy xhtCellBorder0">Date and time by which the appointment is instructed to be made at the latest</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>
  <url value="https://pta.kanta.fi/fhir/StructureDefinition/extension/BookingDeadline"/>
  <version value="1.0.0"/>
  <name value="BookingDeadline"/>
  <title value="Booking Deadline"/>
  <status value="draft"/>
  <date value="2026-10-28T11:52:12+00:00"/>
  <publisher value="Atostek"/>
  <contact>
    <name value="Atostek"/>
    <telecom>
      <system value="url"/>
      <value value="https://atostek.com/"/>
    </telecom>
  </contact>
  <description value="Date and time by which the appointment is instructed to be made at the latest"/>
  <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="Appointment"/>
  </context>
  <type value="Extension"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/>
  <derivation value="constraint"/>
  <snapshot>
    <extension url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="4.0.1"/>
    </extension>
    <element id="Extension">
      <path value="Extension"/>
      <short value="Date and time by which the appointment is instructed to be made at the latest"/>
      <definition value="This field contains the date and time by which the appointment is instructed to take place at the latest. The field is used, for example, when it is necessary to express when the appointment is to take place, but the time has not yet been booked."/>
      <min value="0"/>
      <max value="1"/>
      <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(.), 'value')])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
    </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>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="Extension.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="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <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(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <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://pta.kanta.fi/fhir/StructureDefinition/extension/BookingDeadline"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]"/>
      <short value="Date and time by which the appointment is instructed to be made at the latest"/>
      <definition value="This field contains the date and time by which the appointment is instructed to take place at the latest. The field is used, for example, when it is necessary to express when the appointment is to take place, but the time has not yet been booked.&#xD;&#xA;&#xD;&#xA;If the appointment is instructed to take place by a certain date, the last time of the day is used in the appointment booking.&#xD;&#xA;&#xD;&#xA;For example, if the appointment must take place by 15th of March 2025 at the latest, the time is presented as 2025-03-15T23:59:59+00:00."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
      <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>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="Extension">
      <path value="Extension"/>
      <short value="Date and time by which the appointment is instructed to be made at the latest"/>
      <definition value="This field contains the date and time by which the appointment is instructed to take place at the latest. The field is used, for example, when it is necessary to express when the appointment is to take place, but the time has not yet been booked."/>
      <max value="1"/>
    </element>
    <element id="Extension.url">
      <path value="Extension.url"/>
      <fixedUri value="https://pta.kanta.fi/fhir/StructureDefinition/extension/BookingDeadline"/>
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]"/>
      <short value="Date and time by which the appointment is instructed to be made at the latest"/>
      <definition value="This field contains the date and time by which the appointment is instructed to take place at the latest. The field is used, for example, when it is necessary to express when the appointment is to take place, but the time has not yet been booked.&#xD;&#xA;&#xD;&#xA;If the appointment is instructed to take place by a certain date, the last time of the day is used in the appointment booking.&#xD;&#xA;&#xD;&#xA;For example, if the appointment must take place by 15th of March 2025 at the latest, the time is presented as 2025-03-15T23:59:59+00:00."/>
      <min value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
    </element>
  </differential>
</StructureDefinition>