QI-Core Implementation Guide
4.1.0 - release

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## : QICore Observation Delta Value Set Definition - XML Representation

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    <ValueSet xmlns="http://hl7.org/fhir">
      <id value="qicore-observation-delta"/>
      <meta>
        <profile value="http://hl7.org/fhir/StructureDefinition/shareablevalueset"/>
      </meta>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include these codes as defined in <a href="http://hl7.org/fhir/R4/v2/0078/index.html"><code>http://terminology.hl7.org/CodeSystem/v2-0078</code></a><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td></tr><tr><td><a href="http://hl7.org/fhir/R4/v2/0078/index.html#v2-0078-B">B</a></td><td>Better-use when direction not relevant</td></tr><tr><td><a href="http://hl7.org/fhir/R4/v2/0078/index.html#v2-0078-D">D</a></td><td>Significant change down</td></tr><tr><td><a href="http://hl7.org/fhir/R4/v2/0078/index.html#v2-0078-U">U</a></td><td>Significant change up</td></tr><tr><td><a href="http://hl7.org/fhir/R4/v2/0078/index.html#v2-0078-W">W</a></td><td>Worse-use when direction not relevant</td></tr></table></li></ul></div>
      </text>
      <extension url="http://hl7.org/fhir/StructureDefinition/valueset-extensible">
        <valueBoolean value="true"/>
      </extension>
      <url value="http://hl7.org/fhir/us/qicore/ValueSet/qicore-observation-delta"/>
      <version value="4.1.0"/>
      <name value="QICoreObservationDelta"/>
      <title value="QICore Observation Delta Value Set Definition"/>
      <status value="draft"/>
      <experimental value="false"/>
      <date value="2018-08-22"/>
      <publisher value="http://www.hl7.org/Special/committees/cqi/index.cfm"/>
      <contact>
        <name value="Clinical Quality Information WG"/>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org/Special/committees/cqi"/>
        </telecom>
      </contact>
      <description
                   value="Code indicating how the current observation compares to previous observations - e.g., no change, rising trend, decreasing trend, etc..."/>
      <jurisdiction>
        <coding>
          <system value="urn:iso:std:iso:3166"/>
          <code value="US"/>
        </coding>
      </jurisdiction>
      <compose>
        <include>
          <system value="http://terminology.hl7.org/CodeSystem/v2-0078"/>
          <concept>
            <code value="B"/>
            <display value="Better-use when direction not relevant"/>
          </concept>
          <concept>
            <code value="D"/>
            <display value="Significant change down"/>
          </concept>
          <concept>
            <code value="U"/>
            <display value="Significant change up"/>
          </concept>
          <concept>
            <code value="W"/>
            <display value="Worse-use when direction not relevant"/>
          </concept>
        </include>
      </compose>
    </ValueSet>