Clinical Quality Language Specification
1.5.3 - Release 1 Errata 2

Clinical Quality Language Specification, published by Clinical Decision Support WG. This guide is not an authorized publication; it is the continuous build for version 1.5.3 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cql/ and changes regularly. See the Directory of published versions

Binary: Example CMS26v2 Quality Measure ELM in XML

    
<?xml version="1.0" encoding="UTF-8"?>
<library xmlns="urn:hl7-org:elm:r1" xmlns:t="urn:hl7-org:elm-types:r1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:fhir="http://hl7.org/fhir" xmlns:a="urn:hl7-org:cql-annotations:r1">
   <annotation message="List-valued expression was demoted to a singleton." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <identifier id="CMS26" version="2"/>
   <schemaIdentifier id="urn:hl7-org:elm" version="r1"/>
   <usings>
      <def localIdentifier="System" uri="urn:hl7-org:elm-types:r1"/>
      <def localIdentifier="QUICK" uri="http://hl7.org/fhir"/>
   </usings>
   <parameters>
      <def name="MeasurementPeriod" accessLevel="Public">
         <default lowClosed="true" highClosed="false" xsi:type="Interval">
            <low xsi:type="DateTime">
               <year valueType="t:Integer" value="2013" xsi:type="Literal"/>
               <month valueType="t:Integer" value="1" xsi:type="Literal"/>
               <day valueType="t:Integer" value="1" xsi:type="Literal"/>
               <hour valueType="t:Integer" value="0" xsi:type="Literal"/>
               <minute valueType="t:Integer" value="0" xsi:type="Literal"/>
               <second valueType="t:Integer" value="0" xsi:type="Literal"/>
               <millisecond valueType="t:Integer" value="0" xsi:type="Literal"/>
            </low>
            <high xsi:type="DateTime">
               <year valueType="t:Integer" value="2014" xsi:type="Literal"/>
               <month valueType="t:Integer" value="1" xsi:type="Literal"/>
               <day valueType="t:Integer" value="1" xsi:type="Literal"/>
               <hour valueType="t:Integer" value="0" xsi:type="Literal"/>
               <minute valueType="t:Integer" value="0" xsi:type="Literal"/>
               <second valueType="t:Integer" value="0" xsi:type="Literal"/>
               <millisecond valueType="t:Integer" value="0" xsi:type="Literal"/>
            </high>
         </default>
      </def>
   </parameters>
   <valueSets>
      <def name="Asthma" id="2.16.840.1.113883.3.117.1.7.1.271" accessLevel="Public"/>
      <def name="Asthma Management Plan" id="2.16.840.1.113883.3.117.1.7.1.131" accessLevel="Public"/>
      <def name="Home Discharge Disposition" id="TBD" accessLevel="Public"/>
      <def name="Doctor" id="TBD" accessLevel="Public"/>
   </valueSets>
   <statements>
      <def name="Patient" context="Patient">
         <expression xsi:type="SingletonFrom">
            <operand dataType="fhir:Patient" templateId="patient-qicore-qicore-patient" xsi:type="Retrieve"/>
         </expression>
      </def>
      <def name="In Demographic" context="Patient" accessLevel="Public">
         <expression xsi:type="And">
            <operand xsi:type="GreaterOrEqual">
               <operand precision="Year" xsi:type="CalculateAgeAt">
                  <operand path="birthDate" xsi:type="Property">
                     <source name="Patient" xsi:type="ExpressionRef"/>
                  </operand>
                  <operand xsi:type="Start">
                     <operand name="MeasurementPeriod" xsi:type="ParameterRef"/>
                  </operand>
               </operand>
               <operand valueType="t:Integer" value="2" xsi:type="Literal"/>
            </operand>
            <operand xsi:type="LessOrEqual">
               <operand precision="Year" xsi:type="CalculateAgeAt">
                  <operand path="birthDate" xsi:type="Property">
                     <source name="Patient" xsi:type="ExpressionRef"/>
                  </operand>
                  <operand xsi:type="Start">
                     <operand name="MeasurementPeriod" xsi:type="ParameterRef"/>
                  </operand>
               </operand>
               <operand valueType="t:Integer" value="17" xsi:type="Literal"/>
            </operand>
         </expression>
      </def>
      <def name="Asthma Encounters" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="E">
               <expression dataType="fhir:Encounter" templateId="encounter-qicore-qicore-encounter" codeProperty="type" xsi:type="Retrieve">
                  <codes name="Asthma" xsi:type="ValueSetRef"/>
               </expression>
            </source>
            <where xsi:type="And">
               <operand xsi:type="And">
                  <operand xsi:type="And">
                     <operand xsi:type="Equal">
                        <operand path="class" scope="E" xsi:type="Property"/>
                        <operand valueType="t:String" value="inpatient" xsi:type="Literal"/>
                     </operand>
                     <operand xsi:type="LessOrEqual">
                        <operand path="length" scope="E" xsi:type="Property"/>
                        <operand value="120" unit="days" xsi:type="Quantity"/>
                     </operand>
                  </operand>
                  <operand xsi:type="InValueSet">
                     <code path="dischargeDisposition" xsi:type="Property">
                        <source path="hospitalization" scope="E" xsi:type="Property"/>
                     </code>
                     <valueset name="Home Discharge Disposition"/>
                  </operand>
               </operand>
               <operand xsi:type="In">
                  <operand xsi:type="End">
                     <operand path="period" scope="E" xsi:type="Property"/>
                  </operand>
                  <operand name="MeasurementPeriod" xsi:type="ParameterRef"/>
               </operand>
            </where>
         </expression>
      </def>
      <def name="Asthma Encounters with Plan" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="E">
               <expression name="Asthma Encounters" xsi:type="ExpressionRef"/>
            </source>
            <relationship alias="C" xsi:type="With">
               <expression dataType="fhir:CommunicationRequest" templateId="communicationrequest-qicore-qicore-communicationrequest" xsi:type="Retrieve"/>
               <suchThat xsi:type="And">
                  <operand xsi:type="And">
                     <operand xsi:type="And">
                        <operand xsi:type="Equal">
                           <operand path="id" xsi:type="Property">
                              <source strict="false" xsi:type="As">
                                 <operand path="encounter" scope="C" xsi:type="Property"/>
                                 <asTypeSpecifier name="fhir:Encounter" xsi:type="NamedTypeSpecifier"/>
                              </source>
                           </operand>
                           <operand path="id" scope="E" xsi:type="Property"/>
                        </operand>
                        <operand xsi:type="Exists">
                           <operand xsi:type="Query">
                              <source alias="R">
                                 <expression path="reason" scope="C" xsi:type="Property"/>
                              </source>
                              <where xsi:type="InValueSet">
                                 <code name="R" xsi:type="AliasRef"/>
                                 <valueset name="Asthma Management Plan"/>
                              </where>
                           </operand>
                        </operand>
                     </operand>
                     <operand xsi:type="Exists">
                        <operand xsi:type="Query">
                           <source alias="R">
                              <expression path="practitionerRole" xsi:type="Property">
                                 <source strict="false" xsi:type="As">
                                    <operand path="sender" scope="C" xsi:type="Property"/>
                                    <asTypeSpecifier name="fhir:Practitioner" xsi:type="NamedTypeSpecifier"/>
                                 </source>
                              </expression>
                           </source>
                           <where xsi:type="InValueSet">
                              <code path="role" scope="R" xsi:type="Property"/>
                              <valueset name="Doctor"/>
                           </where>
                        </operand>
                     </operand>
                  </operand>
                  <operand xsi:type="Equal">
                     <operand path="id" xsi:type="Property">
                        <source strict="false" xsi:type="As">
                           <operand xsi:type="First">
                              <source path="recipient" scope="C" xsi:type="Property"/>
                           </operand>
                           <asTypeSpecifier name="fhir:Patient" xsi:type="NamedTypeSpecifier"/>
                        </source>
                     </operand>
                     <operand path="id" xsi:type="Property">
                        <source strict="false" xsi:type="As">
                           <operand path="subject" scope="C" xsi:type="Property"/>
                           <asTypeSpecifier name="fhir:Patient" xsi:type="NamedTypeSpecifier"/>
                        </source>
                     </operand>
                  </operand>
               </suchThat>
            </relationship>
         </expression>
      </def>
      <def name="In Initial Patient Population" context="Patient" accessLevel="Public">
         <expression xsi:type="And">
            <operand name="In Demographic" xsi:type="ExpressionRef"/>
            <operand xsi:type="Exists">
               <operand name="Asthma Encounters" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="Denominator" context="Population" accessLevel="Public">
         <expression name="Asthma Encounters" xsi:type="ExpressionRef"/>
      </def>
      <def name="Numerator" context="Population" accessLevel="Public">
         <expression name="Asthma Encounters with Plan" xsi:type="ExpressionRef"/>
      </def>
   </statements>
</library>