<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ext-hebrew-date" />
  <url value="http://fhir.health.gov.il/StructureDefinition/ext-hebrew-date" />
  <version value="0.21.0" />
  <name value="HebrewDate" />
  <title value="Ext: Hebrew Date" />
  <status value="active" />
  <date value="2026-03-23" />
  <publisher value="Israel Core Team" />
  <contact>
    <telecom>
      <system value="email" />
      <value value="tal.primak@moh.gov.il" />
    </telecom>
  </contact>
  <description value="Extension: Allows the use of Hebrew dates" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="date" />
  </context>
  <context>
    <type value="element" />
    <expression value="dateTime" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Ext: Hebrew Date" />
      <definition value="Extension: Allows the use of Hebrew dates" />
      <comment value="Best practice is to use the following Hebrew date format, as found in [Wikipedia](https://he.wikipedia.org/wiki/%D7%AA%D7%91%D7%A0%D7%99%D7%AA:%D7%AA%D7%90%D7%A8%D7%99%D7%9A_%D7%A2%D7%91%D7%A8%D7%99_%D7%A0%D7%95%D7%9B%D7%97%D7%99)" />
    </element>
    <element id="Extension.extension:display">
      <path value="Extension.extension" />
      <sliceName value="display" />
      <short value="date display" />
      <definition value="Full display of Hebrew date" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:display.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:display.url">
      <path value="Extension.extension.url" />
      <fixedUri value="display" />
    </element>
    <element id="Extension.extension:display.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="string" />
      </type>
      <example>
        <label value="Valid Example" />
        <valueString value="ה' באייר התש&quot;ח" />
      </example>
    </element>
    <element id="Extension.extension:day">
      <path value="Extension.extension" />
      <sliceName value="day" />
      <short value="Day" />
      <definition value="Code for Hebrew day of month" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:day.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:day.url">
      <path value="Extension.extension.url" />
      <fixedUri value="day" />
    </element>
    <element id="Extension.extension:day.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <example>
        <label value="Valid Example" />
        <valueCodeableConcept>
          <coding>
            <system value="http://fhir.health.gov.il/cs/hebrew-date-day" />
            <code value="5" />
            <display value="ה'" />
          </coding>
        </valueCodeableConcept>
      </example>
      <binding>
        <strength value="required" />
        <valueSet value="http://fhir.health.gov.il/ValueSet/hebrew-date-day" />
      </binding>
    </element>
    <element id="Extension.extension:month">
      <path value="Extension.extension" />
      <sliceName value="month" />
      <short value="Month" />
      <definition value="Code for Hebrew month" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:month.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:month.url">
      <path value="Extension.extension.url" />
      <fixedUri value="month" />
    </element>
    <element id="Extension.extension:month.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <example>
        <label value="Valid Example" />
        <valueCodeableConcept>
          <coding>
            <system value="http://fhir.health.gov.il/cs/hebrew-date-month" />
            <code value="8" />
            <display value="אייר" />
          </coding>
        </valueCodeableConcept>
      </example>
      <binding>
        <strength value="required" />
        <valueSet value="http://fhir.health.gov.il/ValueSet/hebrew-date-month" />
      </binding>
    </element>
    <element id="Extension.extension:year">
      <path value="Extension.extension" />
      <sliceName value="year" />
      <short value="Year" />
      <definition value="Hebrew year" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:year.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:year.url">
      <path value="Extension.extension.url" />
      <fixedUri value="year" />
    </element>
    <element id="Extension.extension:year.value[x]">
      <path value="Extension.extension.value[x]" />
      <comment value="מומלץ לרשום שנה עברית תקינה לפי תבנית זו : ה'תשפ&quot;א" />
      <min value="1" />
      <type>
        <code value="string" />
      </type>
      <example>
        <label value="Valid Example" />
        <valueString value="התש&quot;ח" />
      </example>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://fhir.health.gov.il/StructureDefinition/ext-hebrew-date" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>