WHO Immunization Implementation Guide
1.0.0 - release

WHO Immunization Implementation Guide, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-immunizations/tree/132/merge and changes regularly. See the Directory of published versions

: IMMZ.D18.S.Hepatitis B.3-dose schedule - XML Representation

Draft as of 2026-03-31

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<PlanDefinition xmlns="http://hl7.org/fhir">
  <id value="IMMZD18SHepatitisB3Doses"/>
  <meta>
    <profile
             value="http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-recommendationdefinition"/>
    <profile
             value="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-shareableplandefinition"/>
    <profile
             value="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-publishableplandefinition"/>
  </meta>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
<div>
    <table class="grid dict">
        
        <tr>
            <th scope="row"><b>Id: </b></th>
            <td style="padding-left: 4px;">IMMZD18SHepatitisB3Doses</td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Url: </b></th>
            <td style="padding-left: 4px;"><a href="PlanDefinition-IMMZD18SHepatitisB3Doses.html">IMMZ.D18.S.Hepatitis B.3-dose schedule</a></td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Version: </b></th>
            <td style="padding-left: 4px;">1.0.0</td>
        </tr>
        

        

        
        <tr>
            <th scope="row"><b>Title: </b></th>
            <td style="padding-left: 4px;">IMMZ.D18.S.Hepatitis B.3-dose schedule</td>
        </tr>
        

        

        
        <tr>
            <th scope="row"><b>Status: </b></th>
            <td style="padding-left: 4px;">draft</td>
        </tr>
        

        

        
        <tr>
            <th scope="row"><b>Type: </b></th>
            <td style="padding-left: 4px;">
                
                    
                        
                        <p style="margin-bottom: 5px;">
                            <b>system: </b> <span><a href="http://terminology.hl7.org/7.1.0/CodeSystem-plan-definition-type.html">http://terminology.hl7.org/CodeSystem/plan-definition-type</a></span>
                        </p>
                        
                        
                        <p style="margin-bottom: 5px;">
                            <b>code: </b> <span>eca-rule</span>
                        </p>
                        
                        
                    
                
                
            </td>
        </tr>
        

        

        
        <tr>
            <th scope="row"><b>Date: </b></th>
            <td style="padding-left: 4px;">2026-03-31 13:54:17+0000</td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Publisher: </b></th>
            <td style="padding-left: 4px;">WHO</td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Description: </b></th>
            <td style="padding-left: 4px;"><div><p>IMMZ.D18.S.Hepatitis B.3-dose schedule
3-dose schedule (birth dose + 2 primary series doses), on-time start</p>
</div></td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Knowledge Capability: </b></th>
            <td style="padding-left: 4px;">
                
                computable 
            </td>
        </tr>
        

        

        

        

        

        

        

        

        

        

        
        <tr>
            <th scope="row"><b>Related Artifacts: </b></th>
            <td style="padding-left: 4px;">
                
                
                <p><b>References</b></p>
                <ul>
                    
                    <li><div><p>WHO recommendations for routine immunization - summary tables (January 2025)</p>
</div><br/><a href="null"/></li>
                    
                </ul>
                
                
                
                
                
                
            </td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Libraries: </b></th>
            <td style="padding-left: 4px;">
                <table class="grid-dict">
                    
                    <tr>
                        <td><a href="Library-IMMZD18SHepatitisB3DosesLogic.html">IMMZD18SHepatitisB3DosesLogic</a></td>
                    </tr>
                    
                </table>
            </td>
        </tr>
        

        
        <tr>
            <th scope="row"><b>Actions: </b></th>
            <td style="padding-left: 4px;">
                <table class="grid-dict">
                    
                    <tr>
                        <td>
                            
                            <b> Hepatitis B dose 1:</b> Provision of hepatitis B dose 1
Trigger event: Child's birth
Trigger pseudo: 
Trigger date: &quot;Date of birth&quot;
Create condition: The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks.
                            
                            <br/>
                            
                            
                            <b>If:</b>
                            
                            <i>Applicability:</i>
                            
                            Hepatitis B dose 1
                            
                            <i>(Hepatitis B dose 1)</i>
                            <br/>
                            
                            
                            
                            
                            <b>Then:</b> <i>Definition:</i> <a href="ActivityDefinition-IMMZD2DTCR.html">IMMZ.D2.DT.CR</a><br/>
                            
                            <i>Dynamic Values:</i><br/>
                            
                            status: <i>('active')</i>
                            <br/>
                            
                            payload.contentString: <i>(Hepatitis B dose 1 Create)</i>
                            <br/>
                            
                            category.coding: <i>(Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })</i>
                            <br/>
                            
                            priority: <i>(Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })</i>
                            <br/>
                            
                            
                            
                            
                        </td>
                    </tr>
                    
                    <tr>
                        <td>
                            
                            <b> Hepatitis B dose 2:</b> Provision of hepatitis B dose 2
Trigger event: First hepatitis B dose from the primary series was administered
Trigger pseudo: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot;= &quot;Primary series&quot;) = 1
Trigger date: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
Create condition: The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks.
                            
                            <br/>
                            
                            
                            <b>If:</b>
                            
                            <i>Applicability:</i>
                            
                            Hepatitis B dose 2
                            
                            <i>(Hepatitis B dose 2)</i>
                            <br/>
                            
                            
                            
                            
                            <b>Then:</b> <i>Definition:</i> <a href="ActivityDefinition-IMMZD2DTCR.html">IMMZ.D2.DT.CR</a><br/>
                            
                            <i>Dynamic Values:</i><br/>
                            
                            status: <i>('active')</i>
                            <br/>
                            
                            payload.contentString: <i>(Hepatitis B dose 2 Create)</i>
                            <br/>
                            
                            category.coding: <i>(Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })</i>
                            <br/>
                            
                            priority: <i>(Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })</i>
                            <br/>
                            
                            
                            
                            
                        </td>
                    </tr>
                    
                    <tr>
                        <td>
                            
                            <b> Hepatitis B dose 3:</b> Provision of hepatitis B dose 3 for low-birth-weight and premature infants
Trigger event: Second hepatitis B dose from the primary series was administered. Client's weight at birth was less than 2000 g or client was a premature infant
Trigger pseudo: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;) = 2 and (&quot;Birth weight in grams&quot; &lt; 2000) or (&quot;Preterm birth&quot; = TRUE)
Trigger date: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
Create condition: A birth dose of hepatitis B-containing vaccine can be given to low-birth-weight (&lt; 2000 g) and premature infants. For these infants, the birth dose should not count as part of the primary 3-dose series; the 3 doses of the standard primary series should be given according to the national vaccination schedule.
                            
                            <br/>
                            
                            
                            <b>If:</b>
                            
                            <i>Applicability:</i>
                            
                            Hepatitis B dose 3
                            
                            <i>(Hepatitis B dose 3)</i>
                            <br/>
                            
                            
                            
                            
                            <b>Then:</b> <i>Definition:</i> <a href="ActivityDefinition-IMMZD2DTCR.html">IMMZ.D2.DT.CR</a><br/>
                            
                            <i>Dynamic Values:</i><br/>
                            
                            status: <i>('active')</i>
                            <br/>
                            
                            payload.contentString: <i>(Hepatitis B dose 3 Create)</i>
                            <br/>
                            
                            category.coding: <i>(Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })</i>
                            <br/>
                            
                            priority: <i>(Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })</i>
                            <br/>
                            
                            
                            
                            
                        </td>
                    </tr>
                    
                </table>
            </td>
        </tr>
        
    </table>
</div>
</div>
  </text>
  <contained>
    <Library>
      <id value="effective-data-requirements"/>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-directReferenceCode">
        <valueCoding>
          <system
                  value="http://smart.who.int/immunizations/CodeSystem/IMMZ.D"/>
          <code value="DE211"/>
          <display value="Birth weight in grams"/>
        </valueCoding>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-directReferenceCode">
        <valueCoding>
          <system
                  value="http://smart.who.int/immunizations/CodeSystem/IMMZ.D"/>
          <code value="DE208"/>
          <display value="Preterm birth"/>
        </valueCoding>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZElements"/>
        </extension>
        <extension url="name">
          <valueString value="Doses Administered to Patient"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/**
 * @dataElement All Doses Administered to Patient
 */
define &quot;Doses Administered to Patient&quot;:
  [Immunization] I
    where I.status = 'completed'
    and I.isSubpotent is not true"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="0"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBElements"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B Doses Administered to Patient"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Hepatitis B containing Doses Administered to Patient
*/
define &quot;Hepatitis B Doses Administered to Patient&quot;:
  Elements.&quot;Doses Administered to Patient&quot; I
  where
    I.vaccineCode in Concepts.&quot;Hepatitis B-containing vaccines&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="1"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBElements"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Hepatitis B Primary Series Doses Administered to Patient"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Hepatitis B containing Doses Administered to Patient that are in the Primary series
*/
define &quot;Hepatitis B Primary Series Doses Administered to Patient&quot;:
  &quot;Hepatitis B Doses Administered to Patient&quot;.seriesPrimary()"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="2"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Hepatitis B Primary Series Doses Administered to Patient"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Hepatitis B containing Doses Administered to Patient that are in the Primary series
*/
define &quot;Hepatitis B Primary Series Doses Administered to Patient&quot;:
  HepatitisBElements.&quot;Hepatitis B Primary Series Doses Administered to Patient&quot;.onOrBefore(Today)"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="3"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Number of Hepatitis B Primary Series Doses Administered"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Number of Hepatitis B Primary Series doses
*/
define &quot;Number of Hepatitis B Primary Series Doses Administered&quot;:
  Count(&quot;Hepatitis B Primary Series Doses Administered to Patient&quot;)"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="4"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString
                       value="One hepatitis B primary series dose was administered"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: One hepatitis B primary series dose was administered
@pseudocode: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot; = &quot;Primary series&quot;) = 1
@code: One hepatitis B primary series dose was administered-131
@decision: IMMZ.D2.DT.Hepatitis B.3 doses: 3-dose schedule (birth dose + 2 primary series doses), on-time start
*/
define &quot;One hepatitis B primary series dose was administered&quot;:
  &quot;Number of Hepatitis B Primary Series Doses Administered&quot; = 1"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="5"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString
                       value="First hepatitis B dose from the primary series was administered"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@complete: First hepatitis B dose from the primary series was administered
@pseudocode: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot;= &quot;Primary series&quot;) = 1
*/
define &quot;First hepatitis B dose from the primary series was administered&quot;:
  Encounter.&quot;One hepatitis B primary series dose was administered&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="6"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Two hepatitis B primary series doses were administered"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: Two hepatitis B primary series doses were administered
@pseudocode: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot; = &quot;Primary series&quot;) = 2
@code: Two hepatitis B primary series doses were administered-131
@decision: IMMZ.D2.DT.Hepatitis B.3 doses: 3-dose schedule (birth dose + 2 primary series doses), on-time start
@decision: IMMZ.D2.DT.Hepatitis B.4 doses: 4-dose schedule (birth dose + 3 primary series doses), on-time start
*/
define &quot;Two hepatitis B primary series doses were administered&quot;:
  &quot;Number of Hepatitis B Primary Series Doses Administered&quot; = 2"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="7"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Second hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was over 2000 g and was not a premature infant"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@complete: Second hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was over 2000 g and was not a premature infant
@pseudocode: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot;= &quot;Primary series&quot;) = 2
&quot;Completed the primary vaccination series&quot; = TRUE (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
*/
define &quot;Second hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was over 2000 g and was not a premature infant&quot;:
  Encounter.&quot;Two hepatitis B primary series doses were administered&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="8"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Three hepatitis B primary series doses were administered"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: Three hepatitis B primary series doses were administered
@pseudocode: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot; = &quot;Primary series&quot;) = 3
@code: Three hepatitis B primary series doses were administered-131
@decision: IMMZ.D2.DT.Hepatitis B.3 doses: 3-dose schedule (birth dose + 2 primary series doses), on-time start
@decision: IMMZ.D2.DT.Hepatitis B.4 doses: 4-dose schedule (birth dose + 3 primary series doses), on-time start
*/
define &quot;Three hepatitis B primary series doses were administered&quot;:
  &quot;Number of Hepatitis B Primary Series Doses Administered&quot; = 3"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="9"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString
                       value="Third hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was less than 2000 g and was a premature infant"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@complete: Third hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was less than 2000 g and was a premature infant
@pseudocode: &quot;Completed the primary vaccination series&quot; = TRUE (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
*/
define &quot;Third hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was less than 2000 g and was a premature infant&quot;:
  Encounter.&quot;Three hepatitis B primary series doses were administered&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="10"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 1"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@output: Hepatitis B dose 1
@description: Provision of hepatitis B dose 1
@trigger: Child's birth
@pseudo: 
@triggerDate: &quot;Date of birth&quot;
*/
define &quot;Hepatitis B dose 1&quot;:
  not &quot;First hepatitis B dose from the primary series was administered&quot;
    and not &quot;Second hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was over 2000 g and was not a premature infant&quot;
    and not &quot;Third hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was less than 2000 g and was a premature infant&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="11"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZElements"/>
        </extension>
        <extension url="name">
          <valueString value="Birth weight in grams Observation"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Birth weight in grams Observation
*/
define &quot;Birth weight in grams Observation&quot;:
  ([Observation: Concepts.&quot;Birth weight in grams&quot;] O
    sort by end of effective.toInterval() desc).complete()"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="12"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Birth weight in grams Observation"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Birth weight in grams Observation
*/
define &quot;Birth weight in grams Observation&quot;:
  Elements.&quot;Birth weight in grams Observation&quot;.encounterOrOnBefore(EncounterId, Today)"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="13"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Birth weight in grams Value"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define &quot;Birth weight in grams Value&quot;:
  First(&quot;Birth weight in grams Observation&quot;).value as FHIR.Quantity"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="14"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Birth weight in grams"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define &quot;Birth weight in grams&quot;:
  &quot;Birth weight in grams Value&quot;.value as FHIR.decimal"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="15"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Client's weight at birth was below 2000 g"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: Client's weight at birth was below 2000 g
@pseudocode: &quot;Birth weight in grams&quot; &lt; 2000
*/
define &quot;Client's weight at birth was below 2000 g&quot;:
  &quot;Birth weight in grams&quot; &lt; 2000"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="16"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Client's weight at birth was below 2000 g"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: Client's weight at birth was below 2000 g
@pseudocode: &quot;Birth weight in grams&quot; &lt; 2000
@code: Client's weight at birth was below 2000 g-30
@decision: IMMZ.D2.DT.Hepatitis B.3 doses: 3-dose schedule (birth dose + 2 primary series doses), on-time start
*/
define &quot;Client's weight at birth was below 2000 g&quot;:
  Encounter.&quot;Client's weight at birth was below 2000 g&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="17"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZElements"/>
        </extension>
        <extension url="name">
          <valueString value="Preterm birth Observation"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Preterm birth Observation
*/
define &quot;Preterm birth Observation&quot;:
  ([Observation: Concepts.&quot;Preterm birth&quot;]).complete()"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="18"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Preterm birth Observation"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Preterm birth Observation
*/
define &quot;Preterm birth Observation&quot;:
  Elements.&quot;Preterm birth Observation&quot;.encounterOrOnBefore(EncounterId, Today)"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="19"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Client was a premature infant at birth"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: Client was a premature infant at birth
@pseudocode: &quot;Preterm birth&quot; =  TRUE
*/
define &quot;Client was a premature infant at birth&quot;:
  exists( &quot;Preterm birth Observation&quot; O where O.value = true )"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="20"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Client was a premature infant at birth"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@input: Client was a premature infant at birth
@pseudocode: &quot;Preterm birth&quot; = TRUE
@code: Client was a premature infant at birth-22
@decision: IMMZ.D2.DT.Hepatitis B.3 doses: 3-dose schedule (birth dose + 2 primary series doses), on-time start
*/
define &quot;Client was a premature infant at birth&quot;:
  Encounter.&quot;Client was a premature infant at birth&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="21"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 3"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@output: Hepatitis B dose 3
@description: Provision of hepatitis B dose 3 for low-birth-weight and premature infants
@trigger: Second hepatitis B dose from the primary series was administered. Client's weight at birth was less than 2000 g or client was a premature infant
@pseudo: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;) = 2 and (&quot;Birth weight in grams&quot; &lt; 2000) or (&quot;Preterm birth&quot; = TRUE)
@triggerDate: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
*/
define &quot;Hepatitis B dose 3&quot;:
  &quot;Second hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was over 2000 g and was not a premature infant&quot;
    and not &quot;Third hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was less than 2000 g and was a premature infant&quot;
    and (
      Encounter.&quot;Client's weight at birth was below 2000 g&quot;
      or Encounter.&quot;Client was a premature infant at birth&quot;
    )"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="22"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 2"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@output: Hepatitis B dose 2
@description: Provision of hepatitis B dose 2
@trigger: First hepatitis B dose from the primary series was administered
@pseudo: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot;= &quot;Primary series&quot;) = 1
@triggerDate: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
*/
define &quot;Hepatitis B dose 2&quot;:
  &quot;First hepatitis B dose from the primary series was administered&quot;
    and not &quot;Second hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was over 2000 g and was not a premature infant&quot;
    and not &quot;Third hepatitis B dose from the primary series was administered. The primary series has been completed for client whose weight at birth was less than 2000 g and was a premature infant&quot;"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="23"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B Doses Administered to Patient"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Hepatitis B containing Doses Administered to Patient
*/
define &quot;Hepatitis B Doses Administered to Patient&quot;:
  HepatitisBElements.&quot;Hepatitis B Doses Administered to Patient&quot;.onOrBefore(Today)"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="24"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD2DTHepatitisBEncounterElements"/>
        </extension>
        <extension url="name">
          <valueString value="Date of Latest Hepatitis B Dose"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@internal: Date of Latest Hepatitis B Dose
*/
define &quot;Date of Latest Hepatitis B Dose&quot;:
  date from start of &quot;Hepatitis B Doses Administered to Patient&quot;.mostRecent().occurrence.toInterval()"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="25"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 2 Due Date"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@dynamicValue: Hepatitis B dose 2 Due Date
@pseudocode: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;) + 4 weeks
*/
define &quot;Hepatitis B dose 2 Due Date&quot;:
  if &quot;Hepatitis B dose 2&quot; then Encounter.&quot;Date of Latest Hepatitis B Dose&quot; + 4 weeks
  else null"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="26"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 2 Create"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@output: Hepatitis B dose 2 Create
@create: The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks.
*/
define &quot;Hepatitis B dose 2 Create&quot;:
  if &quot;Hepatitis B dose 2&quot;
  then 'The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks.' + '
Due Date: ' + ToString(&quot;Hepatitis B dose 2 Due Date&quot;)
  else ''"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="27"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 1 Due Date"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@dynamicValue: Hepatitis B dose 1 Due Date
@pseudocode: &quot;Date of birth&quot; + Member States defined lower limit
*/
define &quot;Hepatitis B dose 1 Due Date&quot;:
  if &quot;Hepatitis B dose 1&quot; then Patient.birthDate + (Encounter.HepBLowerLimitWeeks * 1 weeks)
  else null"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="28"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 1 Create"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@output: Hepatitis B dose 1 Create
@create: The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks.
*/
define &quot;Hepatitis B dose 1 Create&quot;:
  if &quot;Hepatitis B dose 1&quot;
  then 'The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks.' + '
Due Date: ' + ToString(&quot;Hepatitis B dose 1 Due Date&quot;)
  else ''"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="29"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 3 Due Date"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@dynamicValue: Hepatitis B dose 3 Due Date
@pseudocode: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;) + 4 weeks
*/
define &quot;Hepatitis B dose 3 Due Date&quot;:
  if &quot;Hepatitis B dose 3&quot; then Encounter.&quot;Date of Latest Hepatitis B Dose&quot; + 4 weeks
  else null"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="30"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZD18SHepatitisB3DosesLogic"/>
        </extension>
        <extension url="name">
          <valueString value="Hepatitis B dose 3 Create"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@output: Hepatitis B dose 3 Create
@create: A birth dose of hepatitis B-containing vaccine can be given to low-birth-weight (&lt; 2000 g) and premature infants. For these infants, the birth dose should not count as part of the primary 3-dose series; the 3 doses of the standard primary series should be given according to the national vaccination schedule.
*/
define &quot;Hepatitis B dose 3 Create&quot;:
  if &quot;Hepatitis B dose 3&quot;
  then 'A birth dose of hepatitis B-containing vaccine can be given to low-birth-weight (&lt; 2000 g) and premature infants. For these infants, the birth dose should not count as part of the primary 3-dose series; the 3 doses of the standard primary series should be given according to the national vaccination schedule.' + '
Due Date: ' + ToString(&quot;Hepatitis B dose 3 Due Date&quot;)
  else ''"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="31"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZCommon"/>
        </extension>
        <extension url="name">
          <valueString value="onOrBefore"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/**
 * @description: Gets immunizations on or before a date
 */
define fluent function onOrBefore(immunizations List&lt;Immunization&gt;, beforeDate Date):
  immunizations I where
    I.occurrence.toInterval() same day or before beforeDate"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="32"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="WHOCommon"/>
        </extension>
        <extension url="name">
          <valueString value="toInterval"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
From FHIRCommon 4.1.0:
*/

/*
@description: Normalizes a value that is a choice of timing-valued types to an equivalent interval
@comment: Normalizes a choice type of FHIR.dateTime, FHIR.Period, FHIR.Timing, FHIR.instance, FHIR.string, FHIR.Age, or FHIR.Range types
to an equivalent interval. This selection of choice types is a superset of the majority of choice types that are used as possible
representations for timing-valued elements in FHIR, allowing this function to be used across any resource.

The input can be provided as a dateTime, Period, Timing, instant, string, Age, or Range.
The intent of this function is to provide a clear and concise mechanism to treat single
elements that have multiple possible representations as intervals so that logic doesn't have to account
for the variability. More complex calculations (such as medication request period or dispense period
calculation) need specific guidance and consideration. That guidance may make use of this function, but
the focus of this function is on single element calculations where the semantics are unambiguous.
If the input is a dateTime, the result a DateTime Interval beginning and ending on that dateTime.
If the input is a Period, the result is a DateTime Interval.
If the input is a Timing, an error is raised indicating a single interval cannot be computed from a Timing.
If the input is an instant, the result is a DateTime Interval beginning and ending on that instant.
If the input is a string, an error is raised indicating a single interval cannot be computed from a string.
If the input is an Age, the result is a DateTime Interval beginning when the patient was the given Age,
and ending immediately prior to when the patient was the given Age plus one year.
If the input is a Range, the result is a DateTime Interval beginning when the patient was the Age given
by the low end of the Range, and ending immediately prior to when the patient was the Age given by the
high end of the Range plus one year.

NOTE: Due to the
complexity of determining a single interval from a Timing or String type, this function will throw a run-time exception if it is used
with a Timing or String.
*/
define fluent function toInterval(choice Choice&lt;FHIR.dateTime, FHIR.Period, FHIR.Timing, FHIR.instant, FHIR.string, FHIR.Age, FHIR.Range&gt;):
  case
    when choice is FHIR.dateTime then
      Interval[FHIRHelpers.ToDateTime(choice as FHIR.dateTime), FHIRHelpers.ToDateTime(choice as FHIR.dateTime)]
    when choice is FHIR.Period then
      FHIRHelpers.ToInterval(choice as FHIR.Period)
    when choice is FHIR.instant then
      Interval[FHIRHelpers.ToDateTime(choice as FHIR.instant), FHIRHelpers.ToDateTime(choice as FHIR.instant)]
    when choice is FHIR.Age then
      Interval[FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity(choice as FHIR.Age),
        FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity(choice as FHIR.Age) + 1 year)
    when choice is FHIR.Range then
      Interval[FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity((choice as FHIR.Range).low),
        FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity((choice as FHIR.Range).high) + 1 year)
    when choice is FHIR.Timing then
      Message(null as Interval&lt;DateTime&gt;, true, 'NOT_IMPLEMENTED', 'Error', 'Calculation of an interval from a Timing value is not supported')
    when choice is FHIR.string then
      Message(null as Interval&lt;DateTime&gt;, true, 'NOT_IMPLEMENTED', 'Error', 'Calculation of an interval from a String value is not supported')
    else
      null as Interval&lt;DateTime&gt;
  end"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="33"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToDateTime"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToDateTime(value dateTime): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="34"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToInterval"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToInterval(period FHIR.Period):
    if period is null then
        null
    else
        if period.&quot;start&quot; is null then
            Interval(period.&quot;start&quot;.value, period.&quot;end&quot;.value]
        else
            Interval[period.&quot;start&quot;.value, period.&quot;end&quot;.value]"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="35"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToDateTime"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToDateTime(value instant): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="36"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToDate"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToDate(value date): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="37"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToQuantity"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToQuantity(quantity FHIR.Quantity):
    case
        when quantity is null then null
        when quantity.value is null then null
        when quantity.comparator is not null then
            Message(null, true, 'FHIRHelpers.ToQuantity.ComparatorQuantityNotSupported', 'Error', 'FHIR Quantity value has a comparator and cannot be converted to a System.Quantity value.')
        when quantity.system is null or quantity.system.value = 'http://unitsofmeasure.org'
              or quantity.system.value = 'http://hl7.org/fhirpath/CodeSystem/calendar-units' then
            System.Quantity { value: quantity.value.value, unit: ToCalendarUnit(Coalesce(quantity.code.value, quantity.unit.value, '1')) }
        else
            Message(null, true, 'FHIRHelpers.ToQuantity.InvalidFHIRQuantity', 'Error', 'Invalid FHIR Quantity code: ' &amp; quantity.unit.value &amp; ' (' &amp; quantity.system.value &amp; '|' &amp; quantity.code.value &amp; ')')
    end"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="38"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToCalendarUnit"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToCalendarUnit(unit System.String):
    case unit
        when 'ms' then 'millisecond'
        when 's' then 'second'
        when 'min' then 'minute'
        when 'h' then 'hour'
        when 'd' then 'day'
        when 'wk' then 'week'
        when 'mo' then 'month'
        when 'a' then 'year'
        else unit
    end"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="39"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZCommon"/>
        </extension>
        <extension url="name">
          <valueString value="seriesPrimary"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/**
 * @description: Gets the doses from the primary series
 */
define fluent function seriesPrimary(immunizations List&lt;Immunization&gt;):
  immunizations I where
    exists( I.protocolApplied pa where pa.series = 'Primary series' )"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="40"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToString"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToString(value string): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="41"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToString"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToString(value ImmunizationStatus): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="42"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToBoolean"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToBoolean(value boolean): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="43"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToConcept"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToConcept(concept FHIR.CodeableConcept):
    if concept is null then
        null
    else
        System.Concept {
            codes: concept.coding C return ToCode(C),
            display: concept.text.value
        }"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="44"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToCode"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToCode(coding FHIR.Coding):
    if coding is null then
        null
    else
        System.Code {
          code: coding.code.value,
          system: coding.system.value,
          version: coding.version.value,
          display: coding.display.value
        }"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="45"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToDecimal"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToDecimal(value decimal): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="46"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="IMMZCommon"/>
        </extension>
        <extension url="name">
          <valueString value="encounterOrOnBefore"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/**
 * @description: Gets observation from an encounter or on or before a date
 */
define fluent function encounterOrOnBefore(observations List&lt;Observation&gt;, EncounterId String, beforeDate Date):
  observations O where
    (O.encounter.references(EncounterId)
      or O.effective.toInterval() starts same day or before beforeDate)"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="47"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="WHOCommon"/>
        </extension>
        <extension url="name">
          <valueString value="references"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="/*
@description: Returns true if the given reference is to the given resourceId
@comment: Returns true if the `resourceId` parameter exactly equals the tail of the given reference.
NOTE: This function assumes resources from the same source server.
*/
define fluent function references(reference FHIR.Reference, resourceId String):
  resourceId = Last(Split(reference.reference, '/'))"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="48"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="WHOCommon"/>
        </extension>
        <extension url="name">
          <valueString value="complete"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define fluent function complete(observations List&lt;Observation&gt;):
  observations O where O.status in { 'final', 'amended', 'corrected' }"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="49"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="FHIRHelpers"/>
        </extension>
        <extension url="name">
          <valueString value="ToString"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define function ToString(value ObservationStatus): value.value"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="50"/>
        </extension>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
        <extension url="libraryName">
          <valueString value="WHOCommon"/>
        </extension>
        <extension url="name">
          <valueString value="mostRecent"/>
        </extension>
        <extension url="statement">
          <valueString
                       value="define fluent function mostRecent(immunizations List&lt;Immunization&gt;):
  Last(
    immunizations I
      sort by start of occurrence.toInterval()
  )"/>
        </extension>
        <extension url="displaySequence">
          <valueInteger value="51"/>
        </extension>
      </extension>
      <name value="EffectiveDataRequirements"/>
      <status value="active"/>
      <type>
        <coding>
          <system value="http://terminology.hl7.org/CodeSystem/library-type"/>
          <code value="module-definition"/>
        </coding>
      </type>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="FHIR model information"/>
        <resource
                  value="http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library Encounter"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/IMMZD2DTHepatitisBEncounterElements"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library Common"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/IMMZCommon"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library WC"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/WHOCommon"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library FHIRHelpers"/>
        <resource
                  value="http://fhir.org/guides/cqf/common/Library/FHIRHelpers|4.0.1"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library HepatitisBElements"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/IMMZD2DTHepatitisBElements"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library Elements"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/IMMZElements"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library Concepts"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/IMMZConcepts"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Library Encounter"/>
        <resource
                  value="http://smart.who.int/immunizations/Library/IMMZEncounterElements"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Code system IMMZD"/>
        <resource
                  value="http://smart.who.int/immunizations/CodeSystem/IMMZ.D"/>
      </relatedArtifact>
      <relatedArtifact>
        <type value="depends-on"/>
        <display value="Value set Hepatitis B-containing vaccines"/>
        <resource
                  value="http://smart.who.int/immunizations/ValueSet/IMMZ.Z.DE6"/>
      </relatedArtifact>
      <parameter>
        <name value="Today"/>
        <use value="in"/>
        <min value="0"/>
        <max value="1"/>
        <type value="date"/>
      </parameter>
      <parameter>
        <name value="EncounterId"/>
        <use value="in"/>
        <min value="0"/>
        <max value="1"/>
        <type value="string"/>
      </parameter>
      <parameter>
        <name value="HepBLowerLimitWeeks"/>
        <use value="in"/>
        <min value="0"/>
        <max value="1"/>
        <type value="integer"/>
      </parameter>
      <parameter>
        <name value="Hepatitis B dose 1"/>
        <use value="out"/>
        <min value="0"/>
        <max value="1"/>
        <type value="boolean"/>
      </parameter>
      <parameter>
        <name value="Hepatitis B dose 3"/>
        <use value="out"/>
        <min value="0"/>
        <max value="1"/>
        <type value="boolean"/>
      </parameter>
      <parameter>
        <name value="Hepatitis B dose 2"/>
        <use value="out"/>
        <min value="0"/>
        <max value="1"/>
        <type value="boolean"/>
      </parameter>
      <parameter>
        <name value="Hepatitis B dose 2 Create"/>
        <use value="out"/>
        <min value="0"/>
        <max value="1"/>
        <type value="string"/>
      </parameter>
      <parameter>
        <name value="Hepatitis B dose 1 Create"/>
        <use value="out"/>
        <min value="0"/>
        <max value="1"/>
        <type value="string"/>
      </parameter>
      <parameter>
        <name value="Hepatitis B dose 3 Create"/>
        <use value="out"/>
        <min value="0"/>
        <max value="1"/>
        <type value="string"/>
      </parameter>
      <dataRequirement>
        <type value="Patient"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
        <mustSupport value="birthDate"/>
      </dataRequirement>
      <dataRequirement>
        <type value="Immunization"/>
        <profile
                 value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
        <mustSupport value="status"/>
        <mustSupport value="isSubpotent"/>
        <mustSupport value="occurrence"/>
        <mustSupport value="protocolApplied"/>
        <codeFilter>
          <path value="status"/>
          <code>
            <code value="completed"/>
          </code>
        </codeFilter>
      </dataRequirement>
      <dataRequirement>
        <type value="Immunization"/>
        <profile
                 value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
        <mustSupport value="occurrence"/>
        <mustSupport value="protocolApplied"/>
      </dataRequirement>
      <dataRequirement>
        <type value="Immunization"/>
        <profile
                 value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
        <mustSupport value="status"/>
        <mustSupport value="isSubpotent"/>
        <mustSupport value="vaccineCode"/>
        <mustSupport value="occurrence"/>
        <mustSupport value="protocolApplied"/>
        <codeFilter>
          <path value="status"/>
          <code>
            <code value="completed"/>
          </code>
        </codeFilter>
        <codeFilter>
          <path value="vaccineCode"/>
          <valueSet
                    value="http://smart.who.int/immunizations/ValueSet/IMMZ.Z.DE6"/>
        </codeFilter>
      </dataRequirement>
      <dataRequirement>
        <type value="Observation"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Observation"/>
        <mustSupport value="value"/>
        <mustSupport value="encounter"/>
        <mustSupport value="effective"/>
        <mustSupport value="status"/>
      </dataRequirement>
      <dataRequirement>
        <type value="Observation"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Observation"/>
        <mustSupport value="code"/>
        <mustSupport value="encounter"/>
        <mustSupport value="effective"/>
        <mustSupport value="status"/>
        <codeFilter>
          <path value="code"/>
          <code>
            <system
                    value="http://smart.who.int/immunizations/CodeSystem/IMMZ.D"/>
            <code value="DE211"/>
            <display value="Birth weight in grams"/>
          </code>
        </codeFilter>
      </dataRequirement>
      <dataRequirement>
        <type value="Observation"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Observation"/>
        <mustSupport value="code"/>
        <mustSupport value="encounter"/>
        <mustSupport value="effective"/>
        <mustSupport value="status"/>
        <codeFilter>
          <path value="code"/>
          <code>
            <system
                    value="http://smart.who.int/immunizations/CodeSystem/IMMZ.D"/>
            <code value="DE208"/>
            <display value="Preterm birth"/>
          </code>
        </codeFilter>
      </dataRequirement>
    </Library>
  </contained>
  <extension
             url="http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-knowledgeCapability">
    <valueCode value="computable"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-effectiveDataRequirements">
    <valueCanonical value="#effective-data-requirements"/>
  </extension>
  <url
       value="http://smart.who.int/immunizations/PlanDefinition/IMMZD18SHepatitisB3Doses"/>
  <version value="1.0.0"/>
  <name value="IMMZD18SHepatitisB3Doses"/>
  <title value="IMMZ.D18.S.Hepatitis B.3-dose schedule"/>
  <type>
    <coding>
      <system
              value="http://terminology.hl7.org/CodeSystem/plan-definition-type"/>
      <code value="eca-rule"/>
    </coding>
  </type>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2026-03-31T13:54:17+00:00"/>
  <publisher value="WHO"/>
  <contact>
    <name value="WHO"/>
    <telecom>
      <system value="url"/>
      <value value="http://who.int"/>
    </telecom>
  </contact>
  <description
               value="IMMZ.D18.S.Hepatitis B.3-dose schedule
3-dose schedule (birth dose + 2 primary series doses), on-time start"/>
  <relatedArtifact>
    <type value="citation"/>
    <citation
              value="WHO recommendations for routine immunization - summary tables (January 2025)"/>
  </relatedArtifact>
  <library
           value="http://smart.who.int/immunizations/Library/IMMZD18SHepatitisB3DosesLogic"/>
  <action>
    <title value="Hepatitis B dose 1"/>
    <description
                 value="Provision of hepatitis B dose 1
Trigger event: Child's birth
Trigger pseudo: 
Trigger date: &quot;Date of birth&quot;
Create condition: The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks."/>
    <condition>
      <kind value="applicability"/>
      <expression>
        <description value="Hepatitis B dose 1"/>
        <language value="text/cql-identifier"/>
        <expression value="Hepatitis B dose 1"/>
      </expression>
    </condition>
    <definitionCanonical
                         value="http://smart.who.int/immunizations/ActivityDefinition/IMMZD2DTCR"/>
    <dynamicValue>
      <path value="status"/>
      <expression>
        <language value="text/cql-expression"/>
        <expression value="'active'"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="payload.contentString"/>
      <expression>
        <language value="text/cql-identifier"/>
        <expression value="Hepatitis B dose 1 Create"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="category.coding"/>
      <expression>
        <description value="Category of communication"/>
        <language value="text/cql-expression"/>
        <expression
                    value="Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="priority"/>
      <expression>
        <description value="Alert priority"/>
        <language value="text/cql-expression"/>
        <expression
                    value="Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }"/>
      </expression>
    </dynamicValue>
  </action>
  <action>
    <title value="Hepatitis B dose 2"/>
    <description
                 value="Provision of hepatitis B dose 2
Trigger event: First hepatitis B dose from the primary series was administered
Trigger pseudo: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot; and &quot;Type of dose&quot;= &quot;Primary series&quot;) = 1
Trigger date: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
Create condition: The following option is considered appropriate: a 3-dose schedule with the first dose (monovalent) being given at birth and the second and third (monovalent or as part of a combined vaccine) given at the same time as the first and third doses of DTP-containing vaccine.
The interval between doses should be at least 4 weeks."/>
    <condition>
      <kind value="applicability"/>
      <expression>
        <description value="Hepatitis B dose 2"/>
        <language value="text/cql-identifier"/>
        <expression value="Hepatitis B dose 2"/>
      </expression>
    </condition>
    <definitionCanonical
                         value="http://smart.who.int/immunizations/ActivityDefinition/IMMZD2DTCR"/>
    <dynamicValue>
      <path value="status"/>
      <expression>
        <language value="text/cql-expression"/>
        <expression value="'active'"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="payload.contentString"/>
      <expression>
        <language value="text/cql-identifier"/>
        <expression value="Hepatitis B dose 2 Create"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="category.coding"/>
      <expression>
        <description value="Category of communication"/>
        <language value="text/cql-expression"/>
        <expression
                    value="Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="priority"/>
      <expression>
        <description value="Alert priority"/>
        <language value="text/cql-expression"/>
        <expression
                    value="Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }"/>
      </expression>
    </dynamicValue>
  </action>
  <action>
    <title value="Hepatitis B dose 3"/>
    <description
                 value="Provision of hepatitis B dose 3 for low-birth-weight and premature infants
Trigger event: Second hepatitis B dose from the primary series was administered. Client's weight at birth was less than 2000 g or client was a premature infant
Trigger pseudo: Count of vaccines administered (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;) = 2 and (&quot;Birth weight in grams&quot; &lt; 2000) or (&quot;Preterm birth&quot; = TRUE)
Trigger date: Latest &quot;Date and time of vaccination&quot; (where &quot;Vaccine type&quot; = &quot;Hepatitis B-containing vaccines&quot;)
Create condition: A birth dose of hepatitis B-containing vaccine can be given to low-birth-weight (&lt; 2000 g) and premature infants. For these infants, the birth dose should not count as part of the primary 3-dose series; the 3 doses of the standard primary series should be given according to the national vaccination schedule."/>
    <condition>
      <kind value="applicability"/>
      <expression>
        <description value="Hepatitis B dose 3"/>
        <language value="text/cql-identifier"/>
        <expression value="Hepatitis B dose 3"/>
      </expression>
    </condition>
    <definitionCanonical
                         value="http://smart.who.int/immunizations/ActivityDefinition/IMMZD2DTCR"/>
    <dynamicValue>
      <path value="status"/>
      <expression>
        <language value="text/cql-expression"/>
        <expression value="'active'"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="payload.contentString"/>
      <expression>
        <language value="text/cql-identifier"/>
        <expression value="Hepatitis B dose 3 Create"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="category.coding"/>
      <expression>
        <description value="Category of communication"/>
        <language value="text/cql-expression"/>
        <expression
                    value="Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }"/>
      </expression>
    </dynamicValue>
    <dynamicValue>
      <path value="priority"/>
      <expression>
        <description value="Alert priority"/>
        <language value="text/cql-expression"/>
        <expression
                    value="Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }"/>
      </expression>
    </dynamicValue>
  </action>
</PlanDefinition>