HL7 v2.6 Vocabulary
0.2.0 - ci-build

HL7 v2.6 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v26/ and changes regularly. See the Directory of published versions

## : Time Selection Criteria Parameter Class Codes (2.6 - 1.1.0) - XML Representation

Active as of 2026-03-13

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    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="timeSelectionCriteriaParameterClass"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-timeSelectionCriteriaParameterClass.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/timeSelectionCriteriaParameterClass</code></a></li></ul></div>
      </text>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
        <valueString value="2.6"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory">
        <valueString value="generate correct history somehow"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo">
        <valueString value="0294"/>
      </extension>
      <url
           value="http://terminology.hl7.org/v2plusvocab/CodeSystem/timeSelectionCriteriaParameterClass"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.18.183"/>
      </identifier>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0294"/>
      </identifier>
      <version value="1.1.0"/>
      <name value="TimeSelectionCriteriaParameterClass"/>
      <title value="Time Selection Criteria Parameter Class Codes (2.6 - 1.1.0)"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2026-03-13T11:09:09+00:00"/>
      <publisher value="HL7/FO"/>
      <contact>
        <name value="HL7/FO"/>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org"/>
        </telecom>
      </contact>
      <description
                   value="Code system of concepts used to describe acceptable start and end times, as well as days of the week, for appointment or resource scheduling.  Used in HL7 Version 2.x messaging in the SCV and APR segments."/>
      <copyright value="HL7 Inc., 2026"/>
      <caseSensitive value="false"/>
      <compositional value="false"/>
      <content value="complete"/>
      <property>
        <code value="versionIntroduced"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced"/>
        <description value="version when was this code introduced"/>
        <type value="string"/>
      </property>
      <property>
        <code value="versionDeprecated"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated"/>
        <description value="version when was this code deprecated"/>
        <type value="string"/>
      </property>
      <property>
        <code value="status"/>
        <uri value="http://hl7.org/fhir/concept-properties#status"/>
        <description
                     value="A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired"/>
        <type value="code"/>
      </property>
      <property>
        <code value="comment"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment"/>
        <description
                     value="A string that provides additional detail pertinent to the use or understanding of the concept"/>
        <type value="string"/>
      </property>
      <property>
        <code value="usage"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage"/>
        <description value="usage notes for this code"/>
        <type value="string"/>
      </property>
      <property>
        <code value="modified"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified"/>
        <description value="date of last modification"/>
        <type value="dateTime"/>
      </property>
      <concept>
        <code value="Fri"/>
        <display
                 value="An indicator that Friday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Friday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Mon"/>
        <display
                 value="An indicator that Monday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Monday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Prefend"/>
        <display
                 value="An indicator that there is a preferred end time for the appointment request, service or resource."/>
        <definition
                    value="An indicator that there is a preferred end time for the appointment request, service or resource."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Prefstart"/>
        <display
                 value="An indicator that there is a preferred start time for the appointment request, service or resource."/>
        <definition
                    value="An indicator that there is a preferred start time for the appointment request, service or resource."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Sat"/>
        <display
                 value="An indicator that Saturday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Saturday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Sun"/>
        <display
                 value="An indicator that Sunday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Sunday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Thu"/>
        <display
                 value="An indicator that Thursday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Thursday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Tue"/>
        <display
                 value="An indicator that Tuesday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Tuesday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="Wed"/>
        <display
                 value="An indicator that Wednesday is or is not preferred for the day on which the appointment will occur."/>
        <definition
                    value="An indicator that Wednesday is or is not preferred for the day on which the appointment will occur."/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
    </CodeSystem>