<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="devicerequest-patientInstruction" />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1" />
  </extension>
  <url value="http://hl7.org/fhir/StructureDefinition/devicerequest-patientInstruction" />
  <name value="patientInstruction" />
  <title value="Directions" />
  <status value="draft" />
  <date value="2015-02-21" />
  <publisher value="Health Level Seven, Inc. - FHIR WG" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="HL7" />
    </telecom>
  </contact>
  <description value="Simple concise instructions to be read by the patient.  For example  “twice a day” rather than “BID.”." />
  <fhirVersion value="3.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="DeviceRequest" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Patient Friendly Insructions" />
      <definition value="Simple concise instructions to be read by the patient.  For example  “twice a day” rather than “BID.”." />
      <comment value="Should use only common terms and sentences.  Use of unfamiliar words and jargon should be avoided." />
      <min value="0" />
      <max value="*" />
    </element>
    <element id="Extension.extension:lang">
      <path value="Extension.extension" />
      <sliceName value="lang" />
      <short value="Language" />
      <definition value="Code for Language." />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element id="Extension.extension:lang.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:lang.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="lang" />
    </element>
    <element id="Extension.extension:lang.valueCode">
      <path value="Extension.extension.valueCode" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language" />
        </extension>
        <strength value="required" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/languages" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Extension.extension:content">
      <path value="Extension.extension" />
      <sliceName value="content" />
      <short value="Text" />
      <definition value="The actual text containing the instructions." />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element id="Extension.extension:content.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:content.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="content" />
    </element>
    <element id="Extension.extension:content.valueString">
      <path value="Extension.extension.valueString" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/devicerequest-patientInstruction" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <min value="0" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>