This page is part of the Quality Measure STU2 for FHIR R4 Implementation Guide (v5.0.0-ballot: STU5 (v5.0.0) Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 4.0.0. For a full list of available versions, see the Directory of published versions

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: Measure Aggregate Method Codes - XML Representation

Active as of 2023-12-15

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="aggregate-method"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>This case-sensitive code system <code>http://hl7.org/fhir/us/cqfmeasures/CodeSystem/aggregate-method</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">sum<a name="aggregate-method-sum"> </a></td><td>Sum</td><td>The measure score is determined by adding together the observations derived from the measure population.</td></tr><tr><td style="white-space:nowrap">average<a name="aggregate-method-average"> </a></td><td>Average</td><td>The measure score is determined by taking the average of the observations derived from the measure population.</td></tr><tr><td style="white-space:nowrap">median<a name="aggregate-method-median"> </a></td><td>Median</td><td>The measure score is determined by taking the median of the observations derived from the measure population.</td></tr><tr><td style="white-space:nowrap">minimum<a name="aggregate-method-minimum"> </a></td><td>Minimum</td><td>The measure score is determined by taking the minimum of the observations derived from the measure population.</td></tr><tr><td style="white-space:nowrap">maximum<a name="aggregate-method-maximum"> </a></td><td>Maximum</td><td>The measure score is determined by taking the maximum of the observations derived from the measure population.</td></tr><tr><td style="white-space:nowrap">count<a name="aggregate-method-count"> </a></td><td>Count</td><td>The measure score is determined as the number of observations derived from the measure population.</td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cqi"/>
  </extension>
  <url
       value="http://hl7.org/fhir/us/cqfmeasures/CodeSystem/aggregate-method"/>
  <version value="5.0.0-ballot"/>
  <name value="MeasureAggregateMethod"/>
  <title value="Measure Aggregate Method Codes"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2023-12-15T17:46:42+00:00"/>
  <publisher value="HL7 International / Clinical Quality Information"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/cqi"/>
    </telecom>
  </contact>
  <description
               value="Aggregation method for a measure (e.g. sum, average, median, minimum, maximum, count)"/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="US"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <valueSet
            value="http://hl7.org/fhir/us/cqfmeasures/ValueSet/aggregate-method"/>
  <content value="complete"/>
  <concept>
    <code value="sum"/>
    <display value="Sum"/>
    <definition
                value="The measure score is determined by adding together the observations derived from the measure population."/>
  </concept>
  <concept>
    <code value="average"/>
    <display value="Average"/>
    <definition
                value="The measure score is determined by taking the average of the observations derived from the measure population."/>
  </concept>
  <concept>
    <code value="median"/>
    <display value="Median"/>
    <definition
                value="The measure score is determined by taking the median of the observations derived from the measure population."/>
  </concept>
  <concept>
    <code value="minimum"/>
    <display value="Minimum"/>
    <definition
                value="The measure score is determined by taking the minimum of the observations derived from the measure population."/>
  </concept>
  <concept>
    <code value="maximum"/>
    <display value="Maximum"/>
    <definition
                value="The measure score is determined by taking the maximum of the observations derived from the measure population."/>
  </concept>
  <concept>
    <code value="count"/>
    <display value="Count"/>
    <definition
                value="The measure score is determined as the number of observations derived from the measure population."/>
  </concept>
</CodeSystem>