Release 5

This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4

Example Library/opioidcds-recommendation-10 (Narrative)

Clinical Decision Support Work GroupMaturity Level: N/AStandards Status: InformativeCompartments: No defined compartments

This is the narrative for the resource. See also the XML, JSON or Turtle format. This example conforms to the profile Library.


Participants

AuthorKensaku Kawamoto, MD, PhD, MHS
AuthorBryn Rhodes
AuthorFloyd Eisenberg, MD, MPH
AuthorRobert McClure, MD, MPH

Related Artifacts

DocumentationCDC guideline for prescribing opioids for chronic pain

https://guidelines.gov/summaries/summary/50153/cdc-guideline-for-prescribing-opioids-for-chronic-pain---united-states-2016#420 ()

Depends Onhttp://example.org/fhir/Library/opioidcds-common

Data Requirements

Type: MedicationRequest
FilterValue
medicationCodeableConceptIn ValueSet http://example.org/fhir/ValueSet/opioids-indicating-end-of-life
Type: MedicationRequest
FilterValue
medicationCodeableConceptIn ValueSet http://example.org/fhir/ValueSet/opioids-abused-in-ambulatory-care
Type: Observation
FilterValue
combo-codeIn ValueSet http://example.org/fhir/ValueSet/illicit-drug-urine-screening
Type: Observation
FilterValue
combo-codeIn ValueSet http://example.org/fhir/ValueSet/opioid-urine-screening

Contents

application/elm+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:qdm43="urn:healthit-gov:qdm:v4_3" xmlns:qdm53="urn:healthit-gov:qdm:v5_3" xmlns:a="urn:hl7-org:cql-annotations:r1">
   <annotation startLine="62" startChar="12" endLine="62" endChar="60" message="Could not resolve code path medicationCodeableConcept for the type of the retrieve FHIR.MedicationRequest." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="62" startChar="12" endLine="62" endChar="60" message="Could not resolve membership operator for terminology target of the retrieve." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="66" startChar="3" endLine="66" endChar="66" message="Could not resolve code path medicationCodeableConcept for the type of the retrieve FHIR.MedicationRequest." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="66" startChar="3" endLine="66" endChar="66" message="Could not resolve membership operator for terminology target of the retrieve." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="74" startChar="3" endLine="74" endChar="64" message="Could not resolve code path combo-code for the type of the retrieve FHIR.Observation." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="74" startChar="3" endLine="74" endChar="64" message="Could not resolve membership operator for terminology target of the retrieve." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="79" startChar="3" endLine="79" endChar="63" message="Could not resolve code path combo-code for the type of the retrieve FHIR.Observation." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="79" startChar="3" endLine="79" endChar="63" message="Could not resolve membership operator for terminology target of the retrieve." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="134" startChar="20" endLine="134" endChar="76" message="List-valued expression was demoted to a singleton." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="143" startChar="16" endLine="143" endChar="17" message="List-valued expression was demoted to a singleton." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="157" startChar="52" endLine="157" endChar="73" message="List-valued expression was demoted to a singleton." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <annotation startLine="171" startChar="62" endLine="171" endChar="78" message="List-valued expression was demoted to a singleton." errorType="semantic" errorSeverity="warning" xsi:type="a:CqlToElmError"/>
   <identifier id="OpioidCDS_STU4_REC_10" version="0.1.0"/>
   <schemaIdentifier id="urn:hl7-org:elm" version="r1"/>
   <usings>
      <def localIdentifier="System" uri="urn:hl7-org:elm-types:r1"/>
      <def localIdentifier="FHIR" uri="http://hl7.org/fhir" version="3.2.0"/>
   </usings>
   <includes>
      <def localIdentifier="Common" path="OpioidCDS_STU4_Common" version="0.1.0"/>
   </includes>
   <parameters>
      <def name="ContextPrescriptions" accessLevel="Public">
         <parameterTypeSpecifier xsi:type="ListTypeSpecifier">
            <elementType name="fhir:MedicationRequest" xsi:type="NamedTypeSpecifier"/>
         </parameterTypeSpecifier>
      </def>
   </parameters>
   <statements>
      <def name="Patient" context="Patient">
         <expression xsi:type="SingletonFrom">
            <operand dataType="fhir:Patient" xsi:type="Retrieve"/>
         </expression>
      </def>
      <def name="Lookback Year" context="Patient" accessLevel="Public">
         <expression lowClosed="true" highClosed="true" xsi:type="Interval">
            <low xsi:type="Subtract">
               <operand xsi:type="Subtract">
                  <operand xsi:type="Today"/>
                  <operand value="12" unit="months" xsi:type="Quantity"/>
               </operand>
               <operand value="1" unit="days" xsi:type="Quantity"/>
            </low>
            <high xsi:type="Subtract">
               <operand xsi:type="Today"/>
               <operand value="1" unit="day" xsi:type="Quantity"/>
            </high>
         </expression>
      </def>
      <def name="Validate Trigger Event" context="Patient" accessLevel="Public">
         <expression xsi:type="Exists">
            <operand xsi:type="Query">
               <source alias="triggerScript">
                  <expression name="ContextPrescriptions" xsi:type="ParameterRef"/>
               </source>
               <where name="IsOpioidWithAmbulatoryAbusePotential" libraryName="Common" xsi:type="FunctionRef">
                  <operand name="ToCode" libraryName="Common" xsi:type="FunctionRef">
                     <operand xsi:type="Indexer">
                        <operand path="coding" xsi:type="Property">
                           <source path="medication" scope="triggerScript" xsi:type="Property"/>
                        </operand>
                        <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                     </operand>
                  </operand>
               </where>
            </operand>
         </expression>
      </def>
      <def name="Exclusion Criteria" context="Patient" accessLevel="Public">
         <expression xsi:type="Or">
            <operand xsi:type="Exists">
               <operand dataType="fhir:MedicationRequest" codeProperty="medicationCodeableConcept" xsi:type="Retrieve">
                  <codes name="End Of Life Opioids" libraryName="Common" xsi:type="ValueSetRef"/>
               </operand>
            </operand>
            <operand name="HasMetastaticCancer" libraryName="Common" xsi:type="ExpressionRef"/>
         </expression>
      </def>
      <def name="Get Active Ambulatory Opioid Rx" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="Rx">
               <expression dataType="fhir:MedicationRequest" codeProperty="medicationCodeableConcept" xsi:type="Retrieve">
                  <codes name="Ambulatory Abuse Potential Opioids" libraryName="Common" xsi:type="ValueSetRef"/>
               </expression>
            </source>
            <where xsi:type="And">
               <operand xsi:type="Equal">
                  <operand path="value" xsi:type="Property">
                     <source path="status" scope="Rx" xsi:type="Property"/>
                  </operand>
                  <operand valueType="t:String" value="active" xsi:type="Literal"/>
               </operand>
               <operand xsi:type="Equal">
                  <operand path="value" xsi:type="Property">
                     <source path="code" xsi:type="Property">
                        <source xsi:type="Indexer">
                           <operand xsi:type="Flatten">
                              <operand xsi:type="Query">
                                 <source alias="$this">
                                    <expression path="category" scope="Rx" xsi:type="Property"/>
                                 </source>
                                 <where xsi:type="Not">
                                    <operand xsi:type="IsNull">
                                       <operand path="coding" xsi:type="Property">
                                          <source name="$this" xsi:type="AliasRef"/>
                                       </operand>
                                    </operand>
                                 </where>
                                 <return>
                                    <expression path="coding" xsi:type="Property">
                                       <source name="$this" xsi:type="AliasRef"/>
                                    </expression>
                                 </return>
                              </operand>
                           </operand>
                           <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                        </source>
                     </source>
                  </operand>
                  <operand valueType="t:String" value="outpatient" xsi:type="Literal"/>
               </operand>
            </where>
         </expression>
      </def>
      <def name="Get Illicit Drug Urine Screenings in Last 12 Months" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="observation">
               <expression dataType="fhir:Observation" codeProperty="combo-code" xsi:type="Retrieve">
                  <codes name="Illicit Drug Screening" libraryName="Common" xsi:type="ValueSetRef"/>
               </expression>
            </source>
            <where xsi:type="In">
               <operand path="value" xsi:type="Property">
                  <source path="effective" scope="observation" xsi:type="Property"/>
               </operand>
               <operand name="Lookback Year" xsi:type="ExpressionRef"/>
            </where>
            <sort>
               <by direction="asc" xsi:type="ByExpression">
                  <expression path="value" xsi:type="Property">
                     <source name="effective" xsi:type="IdentifierRef"/>
                  </expression>
               </by>
            </sort>
         </expression>
      </def>
      <def name="Most Recent Illicit Drug Urine Screenings in Last 12 Months" context="Patient" accessLevel="Public">
         <expression xsi:type="Last">
            <source name="Get Illicit Drug Urine Screenings in Last 12 Months" xsi:type="ExpressionRef"/>
         </expression>
      </def>
      <def name="Get Opioid Drug Urine Screenings in Last 12 Months" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="observation">
               <expression dataType="fhir:Observation" codeProperty="combo-code" xsi:type="Retrieve">
                  <codes name="Opioid Drug Screening" libraryName="Common" xsi:type="ValueSetRef"/>
               </expression>
            </source>
            <where xsi:type="In">
               <operand path="value" xsi:type="Property">
                  <source path="effective" scope="observation" xsi:type="Property"/>
               </operand>
               <operand name="Lookback Year" xsi:type="ExpressionRef"/>
            </where>
            <sort>
               <by direction="asc" xsi:type="ByExpression">
                  <expression path="value" xsi:type="Property">
                     <source name="effective" xsi:type="IdentifierRef"/>
                  </expression>
               </by>
            </sort>
         </expression>
      </def>
      <def name="Most Recent Opioid Drug Urine Screenings in Last 12 Months" context="Patient" accessLevel="Public">
         <expression xsi:type="Last">
            <source name="Get Opioid Drug Urine Screenings in Last 12 Months" xsi:type="ExpressionRef"/>
         </expression>
      </def>
      <def name="No Urine Screening In Last 12 Months" context="Patient" accessLevel="Public">
         <expression xsi:type="And">
            <operand xsi:type="IsNull">
               <operand name="Most Recent Illicit Drug Urine Screenings in Last 12 Months" xsi:type="ExpressionRef"/>
            </operand>
            <operand xsi:type="IsNull">
               <operand name="Most Recent Opioid Drug Urine Screenings in Last 12 Months" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="Positive Opioid Drug Screening" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="mostRecentScreening">
               <expression name="Most Recent Opioid Drug Urine Screenings in Last 12 Months" xsi:type="ExpressionRef"/>
            </source>
            <where xsi:type="Or">
               <operand xsi:type="Equal">
                  <operand path="value" xsi:type="Property">
                     <source path="code" xsi:type="Property">
                        <source xsi:type="Indexer">
                           <operand path="coding" xsi:type="Property">
                              <source path="interpretation" scope="mostRecentScreening" xsi:type="Property"/>
                           </operand>
                           <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                        </source>
                     </source>
                  </operand>
                  <operand valueType="t:String" value="POS" xsi:type="Literal"/>
               </operand>
               <operand xsi:type="If">
                  <condition asType="t:Boolean" xsi:type="As">
                     <operand xsi:type="Not">
                        <operand xsi:type="IsNull">
                           <operand xsi:type="Indexer">
                              <operand path="component" scope="mostRecentScreening" xsi:type="Property"/>
                              <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                           </operand>
                        </operand>
                     </operand>
                  </condition>
                  <then xsi:type="Equal">
                     <operand path="value" xsi:type="Property">
                        <source path="code" xsi:type="Property">
                           <source xsi:type="Indexer">
                              <operand path="coding" xsi:type="Property">
                                 <source path="interpretation" xsi:type="Property">
                                    <source xsi:type="Indexer">
                                       <operand path="component" scope="mostRecentScreening" xsi:type="Property"/>
                                       <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                                    </source>
                                 </source>
                              </operand>
                              <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                           </source>
                        </source>
                     </operand>
                     <operand valueType="t:String" value="POS" xsi:type="Literal"/>
                  </then>
                  <else valueType="t:Boolean" value="false" xsi:type="Literal"/>
               </operand>
            </where>
         </expression>
      </def>
      <def name="Orders Before Most Recent Opioid Screening" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="orders">
               <expression name="Get Active Ambulatory Opioid Rx" xsi:type="ExpressionRef"/>
            </source>
            <relationship alias="mostRecentScreening" xsi:type="With">
               <expression name="Positive Opioid Drug Screening" xsi:type="ExpressionRef"/>
               <suchThat xsi:type="Less">
                  <operand path="value" xsi:type="Property">
                     <source path="authoredOn" scope="orders" xsi:type="Property"/>
                  </operand>
                  <operand path="value" xsi:type="Property">
                     <source path="effective" scope="mostRecentScreening" xsi:type="Property"/>
                  </operand>
               </suchThat>
            </relationship>
            <return>
               <expression name="orders" xsi:type="AliasRef"/>
            </return>
         </expression>
      </def>
      <def name="Prescribed Opioids" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="orders">
               <expression name="Orders Before Most Recent Opioid Screening" xsi:type="ExpressionRef"/>
            </source>
            <return>
               <expression xsi:type="Lower">
                  <operand xsi:type="SingletonFrom">
                     <operand name="GetIngredient" libraryName="Common" xsi:type="FunctionRef">
                        <operand name="ToCode" libraryName="Common" xsi:type="FunctionRef">
                           <operand xsi:type="Indexer">
                              <operand path="coding" xsi:type="Property">
                                 <source path="medication" scope="orders" xsi:type="Property"/>
                              </operand>
                              <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                           </operand>
                        </operand>
                     </operand>
                  </operand>
               </expression>
            </return>
         </expression>
      </def>
      <def name="GetOpioid" context="Patient" accessLevel="Public" xsi:type="FunctionDef">
         <expression xsi:type="Case">
            <comparand name="value" xsi:type="OperandRef"/>
            <caseItem>
               <when valueType="t:String" value="3299-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Acetaminophen" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="14184-6" xsi:type="Literal"/>
               <then valueType="t:String" value="Atropine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="16485-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Bromodiphenhydramine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3408-2" xsi:type="Literal"/>
               <then valueType="t:String" value="Brompheniramine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3414-0" xsi:type="Literal"/>
               <then valueType="t:String" value="Buprenorphine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3421-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Butalbital" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="12333-1" xsi:type="Literal"/>
               <then valueType="t:String" value="Butorphanol" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3423-1" xsi:type="Literal"/>
               <then valueType="t:String" value="Caffeine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="21142-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Carisoprodol" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="16605-8" xsi:type="Literal"/>
               <then valueType="t:String" value="Chlorcyclizine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3467-8" xsi:type="Literal"/>
               <then valueType="t:String" value="Chlorpheniramine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3507-1" xsi:type="Literal"/>
               <then valueType="t:String" value="Codeine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="14066-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Dihydrocodeine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3571-7" xsi:type="Literal"/>
               <then valueType="t:String" value="Diphenhydramine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="11235-9" xsi:type="Literal"/>
               <then valueType="t:String" value="Fentanyl" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="12308-3" xsi:type="Literal"/>
               <then valueType="t:String" value="Hydrocodone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="9834-3" xsi:type="Literal"/>
               <then valueType="t:String" value="Hydromorphone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="14071" xsi:type="Literal"/>
               <then valueType="t:String" value="Ibuprofen" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3711-9" xsi:type="Literal"/>
               <then valueType="t:String" value="Levorphanol" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3746-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Meperidine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3773-9" xsi:type="Literal"/>
               <then valueType="t:String" value="Methadone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3830-7" xsi:type="Literal"/>
               <then valueType="t:String" value="Morphine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="42618-9" xsi:type="Literal"/>
               <then valueType="t:String" value="Naloxone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="12309-1" xsi:type="Literal"/>
               <then valueType="t:String" value="Naltrexone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="10998-3" xsi:type="Literal"/>
               <then valueType="t:String" value="Oxycodone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="11247-4" xsi:type="Literal"/>
               <then valueType="t:String" value="Oxymorphone" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3917-2" xsi:type="Literal"/>
               <then valueType="t:String" value="Pentazocine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3962-8" xsi:type="Literal"/>
               <then valueType="t:String" value="Phenylephrine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3965-1" xsi:type="Literal"/>
               <then valueType="t:String" value="Phenylpropanolamine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="11000-7" xsi:type="Literal"/>
               <then valueType="t:String" value="Promethazine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="4003-0" xsi:type="Literal"/>
               <then valueType="t:String" value="Pseudoephedrine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="4009-7" xsi:type="Literal"/>
               <then valueType="t:String" value="Pyrilamine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="65807-0" xsi:type="Literal"/>
               <then valueType="t:String" value="Tapentadol" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="43219-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Tramadol" xsi:type="Literal"/>
            </caseItem>
            <else xsi:type="Concatenate">
               <operand valueType="t:String" value="Unknown code: " xsi:type="Literal"/>
               <operand name="value" xsi:type="OperandRef"/>
            </else>
         </expression>
         <operand name="value">
            <operandTypeSpecifier name="t:String" xsi:type="NamedTypeSpecifier"/>
         </operand>
      </def>
      <def name="Missing Opioids" context="Patient" accessLevel="Public">
         <expression xsi:type="If">
            <condition asType="t:Boolean" xsi:type="As">
               <operand xsi:type="Not">
                  <operand xsi:type="IsNull">
                     <operand name="Positive Opioid Drug Screening" xsi:type="ExpressionRef"/>
                  </operand>
               </operand>
            </condition>
            <then xsi:type="Except">
               <operand xsi:type="Query">
                  <source alias="Prescriptions">
                     <expression name="Prescribed Opioids" xsi:type="ExpressionRef"/>
                  </source>
               </operand>
               <operand xsi:type="ToList">
                  <operand xsi:type="Lower">
                     <operand name="GetOpioid" xsi:type="FunctionRef">
                        <operand path="value" xsi:type="Property">
                           <source path="code" xsi:type="Property">
                              <source xsi:type="Indexer">
                                 <operand path="coding" xsi:type="Property">
                                    <source path="code" xsi:type="Property">
                                       <source name="Positive Opioid Drug Screening" xsi:type="ExpressionRef"/>
                                    </source>
                                 </operand>
                                 <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                              </source>
                           </source>
                        </operand>
                     </operand>
                  </operand>
               </operand>
            </then>
            <else xsi:type="As">
               <operand xsi:type="Null"/>
               <asTypeSpecifier xsi:type="ListTypeSpecifier">
                  <elementType name="t:String" xsi:type="NamedTypeSpecifier"/>
               </asTypeSpecifier>
            </else>
         </expression>
      </def>
      <def name="Has Missing Opioids?" context="Patient" accessLevel="Public">
         <expression xsi:type="Exists">
            <operand name="Missing Opioids" xsi:type="ExpressionRef"/>
         </expression>
      </def>
      <def name="Get Opioids From Most Recent Screening" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="mostRecentScreening">
               <expression name="Positive Opioid Drug Screening" xsi:type="ExpressionRef"/>
            </source>
            <return>
               <expression xsi:type="Union">
                  <operand xsi:type="ToList">
                     <operand xsi:type="Lower">
                        <operand name="GetOpioid" xsi:type="FunctionRef">
                           <operand path="value" xsi:type="Property">
                              <source path="code" xsi:type="Property">
                                 <source xsi:type="Indexer">
                                    <operand path="coding" xsi:type="Property">
                                       <source path="code" scope="mostRecentScreening" xsi:type="Property"/>
                                    </operand>
                                    <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                                 </source>
                              </source>
                           </operand>
                        </operand>
                     </operand>
                  </operand>
                  <operand xsi:type="ToList">
                     <operand xsi:type="If">
                        <condition asType="t:Boolean" xsi:type="As">
                           <operand xsi:type="Not">
                              <operand xsi:type="IsNull">
                                 <operand xsi:type="Indexer">
                                    <operand path="component" scope="mostRecentScreening" xsi:type="Property"/>
                                    <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                                 </operand>
                              </operand>
                           </operand>
                        </condition>
                        <then xsi:type="Lower">
                           <operand name="GetOpioid" xsi:type="FunctionRef">
                              <operand path="value" xsi:type="Property">
                                 <source path="code" xsi:type="Property">
                                    <source xsi:type="Indexer">
                                       <operand path="coding" xsi:type="Property">
                                          <source path="code" xsi:type="Property">
                                             <source xsi:type="Indexer">
                                                <operand path="component" scope="mostRecentScreening" xsi:type="Property"/>
                                                <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                                             </source>
                                          </source>
                                       </operand>
                                       <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                                    </source>
                                 </source>
                              </operand>
                           </operand>
                        </then>
                        <else asType="t:String" xsi:type="As">
                           <operand xsi:type="SingletonFrom">
                              <operand xsi:type="List"/>
                           </operand>
                        </else>
                     </operand>
                  </operand>
               </expression>
            </return>
         </expression>
      </def>
      <def name="Unprescribed Opioids" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="mostRecentScreeningOpioids">
               <expression name="Get Opioids From Most Recent Screening" xsi:type="ExpressionRef"/>
            </source>
            <relationship alias="ingredients" xsi:type="With">
               <expression name="Prescribed Opioids" xsi:type="ExpressionRef"/>
               <suchThat xsi:type="Not">
                  <operand xsi:type="In">
                     <operand name="mostRecentScreeningOpioids" xsi:type="AliasRef"/>
                     <operand xsi:type="ToList">
                        <operand name="ingredients" xsi:type="AliasRef"/>
                     </operand>
                  </operand>
               </suchThat>
            </relationship>
            <return>
               <expression name="mostRecentScreeningOpioids" xsi:type="AliasRef"/>
            </return>
         </expression>
      </def>
      <def name="Has Unprescribed Opioids?" context="Patient" accessLevel="Public">
         <expression xsi:type="Exists">
            <operand name="Unprescribed Opioids" xsi:type="ExpressionRef"/>
         </expression>
      </def>
      <def name="Positive Illicit Drug Screening" context="Patient" accessLevel="Public">
         <expression xsi:type="Query">
            <source alias="mostRecentScreening">
               <expression name="Most Recent Illicit Drug Urine Screenings in Last 12 Months" xsi:type="ExpressionRef"/>
            </source>
            <where xsi:type="Or">
               <operand xsi:type="Equal">
                  <operand path="value" xsi:type="Property">
                     <source path="code" xsi:type="Property">
                        <source xsi:type="Indexer">
                           <operand path="coding" xsi:type="Property">
                              <source path="interpretation" scope="mostRecentScreening" xsi:type="Property"/>
                           </operand>
                           <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                        </source>
                     </source>
                  </operand>
                  <operand valueType="t:String" value="POS" xsi:type="Literal"/>
               </operand>
               <operand xsi:type="If">
                  <condition asType="t:Boolean" xsi:type="As">
                     <operand xsi:type="Not">
                        <operand xsi:type="IsNull">
                           <operand xsi:type="Indexer">
                              <operand path="component" scope="mostRecentScreening" xsi:type="Property"/>
                              <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                           </operand>
                        </operand>
                     </operand>
                  </condition>
                  <then xsi:type="Equal">
                     <operand path="value" xsi:type="Property">
                        <source path="code" xsi:type="Property">
                           <source xsi:type="Indexer">
                              <operand path="coding" xsi:type="Property">
                                 <source path="interpretation" xsi:type="Property">
                                    <source xsi:type="Indexer">
                                       <operand path="component" scope="mostRecentScreening" xsi:type="Property"/>
                                       <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                                    </source>
                                 </source>
                              </operand>
                              <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                           </source>
                        </source>
                     </operand>
                     <operand valueType="t:String" value="POS" xsi:type="Literal"/>
                  </then>
                  <else valueType="t:Boolean" value="false" xsi:type="Literal"/>
               </operand>
            </where>
         </expression>
      </def>
      <def name="Has Illicit Drugs in Screening?" context="Patient" accessLevel="Public">
         <expression xsi:type="Exists">
            <operand xsi:type="ToList">
               <operand name="Positive Illicit Drug Screening" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="Inclusion Criteria" context="Patient" accessLevel="Public">
         <expression xsi:type="And">
            <operand xsi:type="And">
               <operand xsi:type="And">
                  <operand name="Validate Trigger Event" xsi:type="ExpressionRef"/>
                  <operand xsi:type="Not">
                     <operand name="Exclusion Criteria" xsi:type="ExpressionRef"/>
                  </operand>
               </operand>
               <operand xsi:type="AnyTrue">
                  <source name="ProbableDaysInRange" libraryName="Common" xsi:type="FunctionRef">
                     <operand name="Get Active Ambulatory Opioid Rx" xsi:type="ExpressionRef"/>
                     <operand valueType="t:Integer" value="90" xsi:type="Literal"/>
                     <operand valueType="t:Integer" value="80" xsi:type="Literal"/>
                  </source>
               </operand>
            </operand>
            <operand xsi:type="Or">
               <operand xsi:type="Or">
                  <operand xsi:type="Or">
                     <operand name="No Urine Screening In Last 12 Months" xsi:type="ExpressionRef"/>
                     <operand name="Has Missing Opioids?" xsi:type="ExpressionRef"/>
                  </operand>
                  <operand name="Has Unprescribed Opioids?" xsi:type="ExpressionRef"/>
               </operand>
               <operand name="Has Illicit Drugs in Screening?" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="GetIllicitDrug" context="Patient" accessLevel="Public" xsi:type="FunctionDef">
         <expression xsi:type="Case">
            <comparand name="value" xsi:type="OperandRef"/>
            <caseItem>
               <when valueType="t:String" value="3397-7" xsi:type="Literal"/>
               <then valueType="t:String" value="Cocaine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="14267-9" xsi:type="Literal"/>
               <then valueType="t:String" value="Methylenedioxymethamphetamine (MDMA)" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="29868-7" xsi:type="Literal"/>
               <then valueType="t:String" value="Gamma Hydroxybutyric Acid (GHB)" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="12327-3" xsi:type="Literal"/>
               <then valueType="t:String" value="Ketamine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3732-5" xsi:type="Literal"/>
               <then valueType="t:String" value="Lysergic Acid Diethylamide (LSD)" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3779-6" xsi:type="Literal"/>
               <then valueType="t:String" value="Methamphetamine" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="17504-2" xsi:type="Literal"/>
               <then valueType="t:String" value="Psilocybin" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="41020-9" xsi:type="Literal"/>
               <then valueType="t:String" value="Flunitrazepam (Rohypnol)" xsi:type="Literal"/>
            </caseItem>
            <caseItem>
               <when valueType="t:String" value="3426-4" xsi:type="Literal"/>
               <then valueType="t:String" value="Tetrahydrocannabinol (THC)" xsi:type="Literal"/>
            </caseItem>
            <else xsi:type="Concatenate">
               <operand valueType="t:String" value="Unknown code: " xsi:type="Literal"/>
               <operand name="value" xsi:type="OperandRef"/>
            </else>
         </expression>
         <operand name="value">
            <operandTypeSpecifier name="t:String" xsi:type="NamedTypeSpecifier"/>
         </operand>
      </def>
      <def name="Inconsistent Illicit Drugs" context="Patient" accessLevel="Public">
         <expression xsi:type="Concatenate">
            <operand valueType="t:String" value="Found the following illicit drug(s) in urine drug screen: " xsi:type="Literal"/>
            <operand xsi:type="If">
               <condition asType="t:Boolean" xsi:type="As">
                  <operand xsi:type="IsNull">
                     <operand name="GetIllicitDrug" xsi:type="FunctionRef">
                        <operand path="value" xsi:type="Property">
                           <source path="code" xsi:type="Property">
                              <source xsi:type="Indexer">
                                 <operand path="coding" xsi:type="Property">
                                    <source path="code" xsi:type="Property">
                                       <source name="Positive Illicit Drug Screening" xsi:type="ExpressionRef"/>
                                    </source>
                                 </operand>
                                 <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                              </source>
                           </source>
                        </operand>
                     </operand>
                  </operand>
               </condition>
               <then name="GetIllicitDrug" xsi:type="FunctionRef">
                  <operand path="value" xsi:type="Property">
                     <source path="code" xsi:type="Property">
                        <source xsi:type="Indexer">
                           <operand path="coding" xsi:type="Property">
                              <source path="interpretation" xsi:type="Property">
                                 <source name="Positive Illicit Drug Screening" xsi:type="ExpressionRef"/>
                              </source>
                           </operand>
                           <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                        </source>
                     </source>
                  </operand>
               </then>
               <else name="GetIllicitDrug" xsi:type="FunctionRef">
                  <operand path="value" xsi:type="Property">
                     <source path="code" xsi:type="Property">
                        <source xsi:type="Indexer">
                           <operand path="coding" xsi:type="Property">
                              <source path="code" xsi:type="Property">
                                 <source name="Positive Illicit Drug Screening" xsi:type="ExpressionRef"/>
                              </source>
                           </operand>
                           <operand valueType="t:Integer" value="0" xsi:type="Literal"/>
                        </source>
                     </source>
                  </operand>
               </else>
            </operand>
         </expression>
      </def>
      <def name="Has Opioids in Screening?" context="Patient" accessLevel="Public">
         <expression xsi:type="Exists">
            <operand xsi:type="ToList">
               <operand name="Positive Opioid Drug Screening" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="Inconsistent Unprescribed Opioids" context="Patient" accessLevel="Public">
         <expression xsi:type="Concatenate">
            <operand valueType="t:String" value="Found the following unprescribed opioid(s): " xsi:type="Literal"/>
            <operand xsi:type="SingletonFrom">
               <operand name="Unprescribed Opioids" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="Inconsistent Missing Opioids" context="Patient" accessLevel="Public">
         <expression xsi:type="Concatenate">
            <operand valueType="t:String" value="The following opioids are missing from the screening: " xsi:type="Literal"/>
            <operand xsi:type="SingletonFrom">
               <operand name="Missing Opioids" xsi:type="ExpressionRef"/>
            </operand>
         </expression>
      </def>
      <def name="Get Indicator" context="Patient" accessLevel="Public">
         <expression valueType="t:String" value="warning" xsi:type="Literal"/>
      </def>
   </statements>
</library>

 

 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.