<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="jp-medicationratio-amount" />
  <url value="http://jpfhir.jp/fhir/core/StructureDefinition/JP_MedicationRatio_Amount" />
  <version value="1.1.1" />
  <name value="JP_MedicationRatio_Amount" />
  <title value="JP Core Medication Ratio Amount DataType" />
  <status value="active" />
  <date value="2022-10-24" />
  <description value="このデータタイプはRatio DataTypeに対して、薬剤量／パッケージ量を表す比率を割り当てた制約と拡張を定めたものである。" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Ratio" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Ratio" />
  <derivation value="constraint" />
  <snapshot>
    <element id="Ratio">
      <path value="Ratio" />
      <short value="パッケージあたり薬剤の投与量" />
      <definition value="パッケージあたり薬剤の投与量" />
      <comment value="パッケージあたり薬剤の投与量について薬剤単位をバインディングした型である。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Ratio" />
        <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="rat-1" />
        <severity value="error" />
        <human value="Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present" />
        <expression value="(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())" />
        <xpath value="(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) &gt; 0) or (count(f:extension) &gt; 0))" />
        <source value="http://hl7.org/fhir/StructureDefinition/Ratio" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="RTO" />
      </mapping>
    </element>
    <element id="Ratio.id">
      <path value="Ratio.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="Ratio.extension">
      <path value="Ratio.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(.), 'value')])" />
        <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="Ratio.numerator">
      <path value="Ratio.numerator" />
      <short value="投与量" />
      <definition value="薬剤に関する数量と単位を定めたデータイプ" />
      <comment value="薬剤に関する数量と単位を定めている。ValueおよびCodeを必須としている。単位についてはMERIT9医薬品単位略号の利用を推進している。(**SHOULD**)" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Ratio.numerator" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
        <profile value="http://jpfhir.jp/fhir/core/StructureDefinition/JP_MedicationQuantity" />
      </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="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".numerator" />
      </mapping>
    </element>
    <element id="Ratio.denominator">
      <path value="Ratio.denominator" />
      <short value="パッケージ量" />
      <definition value="薬剤に関する数量と単位を定めたデータイプ" />
      <comment value="薬剤に関する数量と単位を定めている。ValueおよびCodeを必須としている。単位についてはMERIT9医薬品単位略号の利用を推進している。(**SHOULD**)" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Ratio.denominator" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
        <profile value="http://jpfhir.jp/fhir/core/StructureDefinition/JP_MedicationQuantity" />
      </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="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".denominator" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="Ratio">
      <path value="Ratio" />
      <short value="パッケージあたり薬剤の投与量" />
      <definition value="パッケージあたり薬剤の投与量" />
      <comment value="パッケージあたり薬剤の投与量について薬剤単位をバインディングした型である。" />
    </element>
    <element id="Ratio.numerator">
      <path value="Ratio.numerator" />
      <short value="投与量" />
      <type>
        <code value="Quantity" />
        <profile value="http://jpfhir.jp/fhir/core/StructureDefinition/JP_MedicationQuantity" />
      </type>
    </element>
    <element id="Ratio.denominator">
      <path value="Ratio.denominator" />
      <short value="パッケージ量" />
      <type>
        <code value="Quantity" />
        <profile value="http://jpfhir.jp/fhir/core/StructureDefinition/JP_MedicationQuantity" />
      </type>
    </element>
  </differential>
</StructureDefinition>