Definition for Code SystemTaskPerformerFunctionCode

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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="task-performer-function-code"/> 
  <meta> 
    <lastUpdated value="2025-11-20T23:56:49.898+00:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b> Generated Narrative: CodeSystem task-performer-function-code</b> 
      </p> 
      <a name="task-performer-function-code"> </a> 
      <a name="hctask-performer-function-code"> </a> 
      <p> This case-sensitive code system 
        <code> http://hl7.org/fhir/task-performer-function-code</code>  defines the following codes:
      </p> 
      <table class="codes">
        <tr> 
          <td style="white-space:nowrap">
            <b> Code</b> 
          </td> 
          <td> 
            <b> Display</b> 
          </td> 
          <td> 
            <b> Definition</b> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">performer
            <a name="task-performer-function-code-performer"> </a> 
          </td> 
          <td> Performer</td> 
          <td> A person, non-person living subject, organization or device that who actually and
             principally carries out the Task action.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">verifier
            <a name="task-performer-function-code-verifier"> </a> 
          </td> 
          <td> Verifier</td> 
          <td> A person who verifies the correctness and appropriateness of the Task action (plan,
             order, event, etc.) and hence takes on accountability.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">witness
            <a name="task-performer-function-code-witness"> </a> 
          </td> 
          <td> Witness</td> 
          <td> A person witnessing the action happening without doing anything. A witness is not
             necessarily aware, much less approves of anything stated in the service event.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">referrer
            <a name="task-performer-function-code-referrer"> </a> 
          </td> 
          <td> Referrer</td> 
          <td> A person having referred the action of the Task to the performer (referring physician).</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="informative"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1"/> 
  </extension> 
  <url value="http://hl7.org/fhir/task-performer-function-code"/> 
  <version value="6.0.0-ballot3"/> 
  <name value="TaskPerformerFunctionCode"/> 
  <title value="Task Performer Function Code"/> 
  <status value="active"/> 
  <experimental value="false"/> 
  <date value="2025-03-12T10:00:00+08:00"/> 
  <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="The performer of the task."/> 
  <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/task-performer-function-code"/> 
  <content value="complete"/> 
  <concept> 
    <code value="performer"/> 
    <display value="Performer"/> 
    <definition value="A person, non-person living subject, organization or device that who actually and
     principally carries out the Task action."/> 
  </concept> 
  <concept> 
    <code value="verifier"/> 
    <display value="Verifier"/> 
    <definition value="A person who verifies the correctness and appropriateness of the Task action (plan,
     order, event, etc.) and hence takes on accountability."/> 
  </concept> 
  <concept> 
    <code value="witness"/> 
    <display value="Witness"/> 
    <definition value="A person witnessing the action happening without doing anything. A witness is not
     necessarily aware, much less approves of anything stated in the service event."/> 
  </concept> 
  <concept> 
    <code value="referrer"/> 
    <display value="Referrer"/> 
    <definition value="A person having referred the action of the Task to the performer (referring physician)."/> 
  </concept> 
</CodeSystem>