This code system http://terminology.hl7.org/CodeSystem/v2-0155 defines the following codes: Code Display Definition for Code SystemEvidenceVariableEvent

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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="evidence-variable-event"/> 
  <meta> 
    <lastUpdated value="2022-12-14T07:12:54.019+11:00"/> 
    <profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p> This code system 
        <code> http://hl7.org/fhir/evidence-variable-event</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">study-start
            <a name="evidence-variable-event-study-start"> </a> 
          </td> 
          <td> Study Start</td> 
          <td> The time of enrollment for the study participant</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">hospital-admission
            <a name="evidence-variable-event-hospital-admission"> </a> 
          </td> 
          <td> Hospital Admission</td> 
          <td> The time of admission to the hospital</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">hospital-discharge
            <a name="evidence-variable-event-hospital-discharge"> </a> 
          </td> 
          <td> Hospital Discharge</td> 
          <td> The time of discharge from the hospital</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">operative-procedure
            <a name="evidence-variable-event-operative-procedure"> </a> 
          </td> 
          <td> Operative Procedure</td> 
          <td> The time of surgery</td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cds"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="5"/> 
  </extension> 
  <url value="http://hl7.org/fhir/evidence-variable-event"/> 
  <identifier> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1955"/> 
  </identifier> 
  <version value="5.0.0-snapshot3"/> 
  <name value="EvidenceVariableEvent"/> 
  <title value="EvidenceVariableEvent"/> 
  <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="The event used as a base point (reference point) in time."/> 
  <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/evidence-variable-event"/> 
  <content value="complete"/> 
  <concept> 
    <code value="study-start"/> 
    <display value="Study Start"/> 
    <definition value="The time of enrollment for the study participant"/> 
  </concept> 
  <concept> 
    <code value="hospital-admission"/> 
    <display value="Hospital Admission"/> 
    <definition value="The time of admission to the hospital"/> 
  </concept> 
  <concept> 
    <code value="hospital-discharge"/> 
    <display value="Hospital Discharge"/> 
    <definition value="The time of discharge from the hospital"/> 
  </concept> 
  <concept> 
    <code value="operative-procedure"/> 
    <display value="Operative Procedure"/> 
    <definition value="The time of surgery"/> 
  </concept> 

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