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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="item-type"/>
  <meta>
    <lastUpdated value="2026-04-01T22:29:14.669+11:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b>Generated Narrative: CodeSystem item-type</b>
      </p>
      <a name="item-type"> </a>
      <a name="hcitem-type"> </a>
      <div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%">
        <p style="margin-bottom: 0px">Last updated: 2021-01-05T10:01:24.148+11:00</p>
      </div>
      <p>
        <b>Properties</b>
      </p>
      <p>
        <b>This code system defines the following properties for its concepts</b>
      </p>
      <table class="grid">
        <tr>
          <td>
            <b>Name</b>
          </td>
          <td>
            <b>Code</b>
          </td>
          <td>
            <b>URI</b>
          </td>
          <td>
            <b>Type</b>
          </td>
          <td>
            <b>Description</b>
          </td>
        </tr>
        <tr>
          <td>Not Selectable</td>
          <td>notSelectable</td>
          <td>http://hl7.org/fhir/concept-properties#notSelectable</td>
          <td>boolean</td>
          <td>Indicates that the code is abstract - only intended to be used as a selector for other concepts</td>
        </tr>
      </table>
      <p>
        <b>Concepts</b>
      </p>
      <p>This case-sensitive code system 
        <code>http://hl7.org/fhir/item-type</code> defines the following codes in a Is-A hierarchy:
      </p>
      <table class="codes">
        <tr>
          <td>
            <b>Lvl</b>
          </td>
          <td style="white-space:nowrap">
            <b>Code</b>
          </td>
          <td>
            <b>Display</b>
          </td>
          <td>
            <b>Definition</b>
          </td>
          <td>
            <b>Not Selectable</b>
          </td>
        </tr>
        <tr>
          <td>1</td>
          <td style="white-space:nowrap">group
            <a name="item-type-group"> </a>
          </td>
          <td>Group</td>
          <td>An item with no direct answer but should have at least one child item.</td>
          <td/>
        </tr>
        <tr>
          <td>1</td>
          <td style="white-space:nowrap">display
            <a name="item-type-display"> </a>
          </td>
          <td>Display</td>
          <td>Text for display that will not capture an answer or have child items.</td>
          <td/>
        </tr>
        <tr>
          <td>1</td>
          <td style="white-space:nowrap">question
            <a name="item-type-question"> </a>
          </td>
          <td>Question</td>
          <td>An item that defines a specific answer to be captured, and which may have child items. (the answer provided in the QuestionnaireResponse should be of the defined datatype).</td>
          <td>true</td>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  boolean
            <a name="item-type-boolean"> </a>
          </td>
          <td>Boolean</td>
          <td>Question with a yes/no answer (valueBoolean).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  decimal
            <a name="item-type-decimal"> </a>
          </td>
          <td>Decimal</td>
          <td>Question with is a real number answer (valueDecimal).  There is an extension 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit' that can be used to computably convey the unit of measure associated with the answer for use when performing data extraction to an element of type Quantity.</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  integer
            <a name="item-type-integer"> </a>
          </td>
          <td>Integer</td>
          <td>Question with an integer answer (valueInteger).  There is an extension 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit' that can be used to computably convey the unit of measure associated with the answer for use when performing data extraction to an element of type Quantity.</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  date
            <a name="item-type-date"> </a>
          </td>
          <td>Date</td>
          <td>Question with a date answer (valueDate).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  dateTime
            <a name="item-type-dateTime"> </a>
          </td>
          <td>Date Time</td>
          <td>Question with a date and time answer (valueDateTime).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  time
            <a name="item-type-time"> </a>
          </td>
          <td>Time</td>
          <td>Question with a time (hour:minute:second) answer independent of date. (valueTime).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  string
            <a name="item-type-string"> </a>
          </td>
          <td>String</td>
          <td>Question with a short (few words to short sentence) free-text entry answer (valueString).  Strings SHOULD NOT contain carriage return or newline characters.  If multi-line answers are needed, use the 'text' type.</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  text
            <a name="item-type-text"> </a>
          </td>
          <td>Text</td>
          <td>Question with a long (potentially multi-paragraph) free-text entry answer (valueString).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  url
            <a name="item-type-url"> </a>
          </td>
          <td>Url</td>
          <td>Question with a URL (website, FTP site, etc.) answer (valueUri).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  coding
            <a name="item-type-coding"> </a>
          </td>
          <td>Coding</td>
          <td>Question with a Coding - generally drawn from a list of possible answers (valueCoding)</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  attachment
            <a name="item-type-attachment"> </a>
          </td>
          <td>Attachment</td>
          <td>Question with binary content such as an image, PDF, etc. as an answer (valueAttachment).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  reference
            <a name="item-type-reference"> </a>
          </td>
          <td>Reference</td>
          <td>Question with a reference to another resource (practitioner, organization, etc.) as an answer (valueReference).</td>
          <td/>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  quantity
            <a name="item-type-quantity"> </a>
          </td>
          <td>Quantity</td>
          <td>Question with a combination of a numeric value and unit as an answer (i.e. a Quantity constrained to SimpleQuantity).  There are two extensions ('http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption' and 'http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet')  that can be used to define what unit should be selected for the Quantity.code and Quantity.system.</td>
          <td/>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="5"/>
  </extension>
  <url value="http://hl7.org/fhir/item-type"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.445"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.438"/>
  </identifier>
  <version value="6.0.0-ballot4"/>
  <name value="QuestionnaireItemType"/>
  <title value="Questionnaire Item Type"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2021-01-05T10:01:24+11:00"/>
  <publisher value="HL7 International / FHIR Infrastructure"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg"/>
    </telecom>
  </contact>
  <description value="Distinguishes groups from questions and display text and indicates data type for questions."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/item-type"/>
  <hierarchyMeaning value="is-a"/>
  <content value="complete"/>
  <property>
    <code value="notSelectable"/>
    <uri value="http://hl7.org/fhir/concept-properties#notSelectable"/>
    <description value="Indicates that the code is abstract - only intended to be used as a selector for other concepts"/>
    <type value="boolean"/>
  </property>
  <concept>
    <code value="group"/>
    <display value="Group"/>
    <definition value="An item with no direct answer but should have at least one child item."/>
  </concept>
  <concept>
    <code value="display"/>
    <display value="Display"/>
    <definition value="Text for display that will not capture an answer or have child items."/>
  </concept>
  <concept>
    <code value="question"/>
    <display value="Question"/>
    <definition value="An item that defines a specific answer to be captured, and which may have child items. (the answer provided in the QuestionnaireResponse should be of the defined datatype)."/>
    <property>
      <code value="notSelectable"/>
      <valueBoolean value="true"/>
    </property>
    <concept>
      <code value="boolean"/>
      <display value="Boolean"/>
      <definition value="Question with a yes/no answer (valueBoolean)."/>
    </concept>
    <concept>
      <code value="decimal"/>
      <display value="Decimal"/>
      <definition value="Question with is a real number answer (valueDecimal).  There is an extension 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit' that can be used to computably convey the unit of measure associated with the answer for use when performing data extraction to an element of type Quantity."/>
    </concept>
    <concept>
      <code value="integer"/>
      <display value="Integer"/>
      <definition value="Question with an integer answer (valueInteger).  There is an extension 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit' that can be used to computably convey the unit of measure associated with the answer for use when performing data extraction to an element of type Quantity."/>
    </concept>
    <concept>
      <code value="date"/>
      <display value="Date"/>
      <definition value="Question with a date answer (valueDate)."/>
    </concept>
    <concept>
      <code value="dateTime"/>
      <display value="Date Time"/>
      <definition value="Question with a date and time answer (valueDateTime)."/>
    </concept>
    <concept>
      <code value="time"/>
      <display value="Time"/>
      <definition value="Question with a time (hour:minute:second) answer independent of date. (valueTime)."/>
    </concept>
    <concept>
      <code value="string"/>
      <display value="String"/>
      <definition value="Question with a short (few words to short sentence) free-text entry answer (valueString).  Strings SHOULD NOT contain carriage return or newline characters.  If multi-line answers are needed, use the 'text' type."/>
    </concept>
    <concept>
      <code value="text"/>
      <display value="Text"/>
      <definition value="Question with a long (potentially multi-paragraph) free-text entry answer (valueString)."/>
    </concept>
    <concept>
      <code value="url"/>
      <display value="Url"/>
      <definition value="Question with a URL (website, FTP site, etc.) answer (valueUri)."/>
    </concept>
    <concept>
      <code value="coding"/>
      <display value="Coding"/>
      <definition value="Question with a Coding - generally drawn from a list of possible answers (valueCoding)"/>
    </concept>
    <concept>
      <code value="attachment"/>
      <display value="Attachment"/>
      <definition value="Question with binary content such as an image, PDF, etc. as an answer (valueAttachment)."/>
    </concept>
    <concept>
      <code value="reference"/>
      <display value="Reference"/>
      <definition value="Question with a reference to another resource (practitioner, organization, etc.) as an answer (valueReference)."/>
    </concept>
    <concept>
      <code value="quantity"/>
      <display value="Quantity"/>
      <definition value="Question with a combination of a numeric value and unit as an answer (i.e. a Quantity constrained to SimpleQuantity).  There are two extensions ('http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption' and 'http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet')  that can be used to define what unit should be selected for the Quantity.code and Quantity.system."/>
    </concept>
  </concept>
</CodeSystem>