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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="permitted-data-type"/>
  <meta>
    <lastUpdated value="2026-04-03T20:06:10.198+00:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b>Generated Narrative: CodeSystem permitted-data-type</b>
      </p>
      <a name="permitted-data-type"> </a>
      <a name="hcpermitted-data-type"> </a>
      <p>This case-sensitive code system 
        <code>http://hl7.org/fhir/permitted-data-type</code> defines the following codes:
      </p>
      <table class="codes">
        <tr>
          <td style="white-space:nowrap">
            <b>Code</b>
          </td>
          <td>
            <b>Definition</b>
          </td>
        </tr>
        <tr>
          <td style="white-space:nowrap">Quantity
            <a name="permitted-data-type-Quantity"> </a>
          </td>
          <td>A measured amount.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">CodeableConcept
            <a name="permitted-data-type-CodeableConcept"> </a>
          </td>
          <td>A coded concept from a reference terminology and/or text.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">string
            <a name="permitted-data-type-string"> </a>
          </td>
          <td>A sequence of Unicode characters.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">boolean
            <a name="permitted-data-type-boolean"> </a>
          </td>
          <td>true or false.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">integer
            <a name="permitted-data-type-integer"> </a>
          </td>
          <td>A signed integer.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">Range
            <a name="permitted-data-type-Range"> </a>
          </td>
          <td>A set of values bounded by low and high.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">Ratio
            <a name="permitted-data-type-Ratio"> </a>
          </td>
          <td>A ratio of two Quantity values - a numerator and a denominator.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">SampledData
            <a name="permitted-data-type-SampledData"> </a>
          </td>
          <td>A series of measurements taken by a device.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">time
            <a name="permitted-data-type-time"> </a>
          </td>
          <td>A time during the day, in the format hh:mm:ss.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">dateTime
            <a name="permitted-data-type-dateTime"> </a>
          </td>
          <td>A date, date-time or partial date (e.g. just year or year + month) as used in human communication.</td>
        </tr>
        <tr>
          <td style="white-space:nowrap">Period
            <a name="permitted-data-type-Period"> </a>
          </td>
          <td>A time range defined by start and end date/time.</td>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo"/>
  </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="1"/>
  </extension>
  <url value="http://hl7.org/fhir/permitted-data-type"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1332"/>
  </identifier>
  <version value="6.0.0-ballot4"/>
  <name value="ObservationDataType"/>
  <title value="Observation Data Type"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2021-01-05T10:01:24+11:00"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Permitted data type for observation value."/>
  <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/permitted-data-type"/>
  <content value="complete"/>
  <concept>
    <code value="Quantity"/>
    <display value="Quantity"/>
    <definition value="A measured amount."/>
  </concept>
  <concept>
    <code value="CodeableConcept"/>
    <display value="CodeableConcept"/>
    <definition value="A coded concept from a reference terminology and/or text."/>
  </concept>
  <concept>
    <code value="string"/>
    <display value="string"/>
    <definition value="A sequence of Unicode characters."/>
  </concept>
  <concept>
    <code value="boolean"/>
    <display value="boolean"/>
    <definition value="true or false."/>
  </concept>
  <concept>
    <code value="integer"/>
    <display value="integer"/>
    <definition value="A signed integer."/>
  </concept>
  <concept>
    <code value="Range"/>
    <display value="Range"/>
    <definition value="A set of values bounded by low and high."/>
  </concept>
  <concept>
    <code value="Ratio"/>
    <display value="Ratio"/>
    <definition value="A ratio of two Quantity values - a numerator and a denominator."/>
  </concept>
  <concept>
    <code value="SampledData"/>
    <display value="SampledData"/>
    <definition value="A series of measurements taken by a device."/>
  </concept>
  <concept>
    <code value="time"/>
    <display value="time"/>
    <definition value="A time during the day, in the format hh:mm:ss."/>
  </concept>
  <concept>
    <code value="dateTime"/>
    <display value="dateTime"/>
    <definition value="A date, date-time or partial date (e.g. just year or year + month) as used in human communication."/>
  </concept>
  <concept>
    <code value="Period"/>
    <display value="Period"/>
    <definition value="A time range defined by start and end date/time."/>
  </concept>
</CodeSystem>