WHO Immunization Implementation Guide
0.2.0 - ci-build
WHO Immunization Implementation Guide, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 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/123/merge and changes regularly. See the Directory of published versions
| Draft as of 2026-03-03 |
<PlanDefinition xmlns="http://hl7.org/fhir">
<id value="IMMZD18SMeaslesMCVDose0"/>
<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;">IMMZD18SMeaslesMCVDose0</td>
</tr>
<tr>
<th scope="row"><b>Url: </b></th>
<td style="padding-left: 4px;"><a href="PlanDefinition-IMMZD18SMeaslesMCVDose0.html">IMMZ.D18.S.Measles.MCV dose 0 schedule</a></td>
</tr>
<tr>
<th scope="row"><b>Version: </b></th>
<td style="padding-left: 4px;">0.2.0</td>
</tr>
<tr>
<th scope="row"><b>Title: </b></th>
<td style="padding-left: 4px;">IMMZ.D18.S.Measles.MCV dose 0 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/7.0.1/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;">2026-03-03 13:07:11+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.Measles.MCV dose 0 schedule
Measles-containing vaccine dose 0 (MCV0) schedule</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-IMMZD18SMeaslesMCVDose0Logic.html">IMMZD18SMeaslesMCVDose0Logic</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> MCV0:</b> Provision of the MCV0
Trigger event: Child's birth
Trigger pseudo:
Trigger date: "Date of birth"
Create condition: In the following situations, a supplementary dose of MCV should be given to infants from 6 months of age:
• during a measles outbreak as part of intensified service delivery;
• during campaigns in settings where the risk of measles among infants aged under 9 months remains high (e.g. in endemic countries experiencing regular outbreaks);
• for internally displaced populations and refugees, and populations in conflict zones;
• for individual infants at high risk of contracting measles (e.g. contacts of known measles cases or in settings with increased risk of exposure during outbreaks such as day-care facilities);
• for infants travelling to countries experiencing measles outbreaks;
• for infants known to be HIV-infected or exposed (i.e. born to a woman infected with HIV).
<br/>
<b>If:</b>
<i>Applicability:</i>
MCV0
<i>(MCV0)</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>(MCV0 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-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 "Doses Administered to Patient":
[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="IMMZD2DTMeaslesElements"/>
</extension>
<extension url="name">
<valueString value="MCV Doses Administered to Patient"/>
</extension>
<extension url="statement">
<valueString
value="/*
@internal: MCV Doses Administered to Patient
*/
define "MCV Doses Administered to Patient":
Elements."Doses Administered to Patient" I
where
I.vaccineCode in Concepts."Measles-containing vaccines""/>
</extension>
<extension url="displaySequence">
<valueInteger value="1"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD2DTMeaslesElements"/>
</extension>
<extension url="name">
<valueString value="MCV Dose 0 Doses Administered to Patient"/>
</extension>
<extension url="statement">
<valueString
value="/*
@internal: MCV Dose 0 Doses Administered to Patient
*/
define "MCV Dose 0 Doses Administered to Patient":
"MCV Doses Administered to Patient".seriesDose0()"/>
</extension>
<extension url="displaySequence">
<valueInteger value="2"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD2DTMeaslesEncounterElements"/>
</extension>
<extension url="name">
<valueString value="MCV Dose 0 Doses Administered to Patient"/>
</extension>
<extension url="statement">
<valueString
value="/*
@internal: MCV Dose 0 Doses Administered to Patient
*/
define "MCV Dose 0 Doses Administered to Patient":
MeaslesElements."MCV Dose 0 Doses Administered to Patient".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="IMMZD2DTMeaslesEncounterElements"/>
</extension>
<extension url="name">
<valueString value="Number of MCV Dose 0 Doses Administered"/>
</extension>
<extension url="statement">
<valueString
value="/*
@internal: Number of MCV Dose 0 Doses Administered
*/
define "Number of MCV Dose 0 Doses Administered":
Count("MCV Dose 0 Doses Administered to Patient")"/>
</extension>
<extension url="displaySequence">
<valueInteger value="4"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD2DTMeaslesEncounterElements"/>
</extension>
<extension url="name">
<valueString value="MCV0 was administered"/>
</extension>
<extension url="statement">
<valueString
value="/*
@input: MCV0 was administered
@pseudocode: Count of vaccines administered (where "Vaccine type" = "Measles-containing vaccines" and "Type of dose" = "Dose 0") = 1
@code: MCV0 was administered-119
@decision: IMMZ.D2.DT.Measles.MCV dose 0: Measles-containing vaccine dose 0 (MCV0) administration
*/
define "MCV0 was administered":
"Number of MCV Dose 0 Doses Administered" = 1"/>
</extension>
<extension url="displaySequence">
<valueInteger value="5"/>
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<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD18SMeaslesMCVDose0Logic"/>
</extension>
<extension url="name">
<valueString value="MCV0 was administered"/>
</extension>
<extension url="statement">
<valueString
value="/*
@complete: MCV0 was administered
@pseudocode: Count of vaccines administered (where "Vaccine type" = "Measles-containing vaccines" and "Type of dose" = "Dose 0") = 1
*/
define "MCV0 was administered":
Encounter."MCV0 was administered""/>
</extension>
<extension url="displaySequence">
<valueInteger value="6"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD18SMeaslesMCVDose0Logic"/>
</extension>
<extension url="name">
<valueString value="MCV0 Expiration"/>
</extension>
<extension url="statement">
<valueString
value="/*
@dynamicValue: MCV0 Expiration
@pseudocode: "Date of birth" + 9 months for countries with ongoing transmission in which the risk of measles mortality remains high
OR
"Date of birth" + 12 months for countries with low levels of measles transmission
*/
define "MCV0 Expiration":
Patient.birthDate + 12 months"/>
</extension>
<extension url="displaySequence">
<valueInteger value="7"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD18SMeaslesMCVDose0Logic"/>
</extension>
<extension url="name">
<valueString value="MCV0"/>
</extension>
<extension url="statement">
<valueString
value="/*
@output: MCV0
@description: Provision of the MCV0
@trigger: Child's birth
@pseudo:
@triggerDate: "Date of birth"
*/
define "MCV0":
not "MCV0 was administered" and "MCV0 Expiration" after Today"/>
</extension>
<extension url="displaySequence">
<valueInteger value="8"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD18SMeaslesMCVDose0Logic"/>
</extension>
<extension url="name">
<valueString value="MCV0 Due Date"/>
</extension>
<extension url="statement">
<valueString
value="/*
@dynamicValue: MCV0 Due Date
@pseudocode: "Date of birth" + 6 months
*/
define "MCV0 Due Date":
if "MCV0" then Patient.birthDate + 6 months
else null"/>
</extension>
<extension url="displaySequence">
<valueInteger value="9"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZD18SMeaslesMCVDose0Logic"/>
</extension>
<extension url="name">
<valueString value="MCV0 Create"/>
</extension>
<extension url="statement">
<valueString
value="/*
@output: MCV0 Create
@create: In the following situations, a supplementary dose of MCV should be given to infants from 6 months of age:
• during a measles outbreak as part of intensified service delivery;
• during campaigns in settings where the risk of measles among infants aged under 9 months remains high (e.g. in endemic countries experiencing regular outbreaks);
• for internally displaced populations and refugees, and populations in conflict zones;
• for individual infants at high risk of contracting measles (e.g. contacts of known measles cases or in settings with increased risk of exposure during outbreaks such as day-care facilities);
• for infants travelling to countries experiencing measles outbreaks;
• for infants known to be HIV-infected or exposed (i.e. born to a woman infected with HIV).
*/
define "MCV0 Create":
if "MCV0"
then 'In the following situations, a supplementary dose of MCV should be given to infants from 6 months of age:
• during a measles outbreak as part of intensified service delivery;
• during campaigns in settings where the risk of measles among infants aged under 9 months remains high (e.g. in endemic countries experiencing regular outbreaks);
• for internally displaced populations and refugees, and populations in conflict zones;
• for individual infants at high risk of contracting measles (e.g. contacts of known measles cases or in settings with increased risk of exposure during outbreaks such as day-care facilities);
• for infants travelling to countries experiencing measles outbreaks;
• for infants known to be HIV-infected or exposed (i.e. born to a woman infected with HIV).' + '
Due Date: ' + ToString("MCV0 Due Date") + '
Expiration: ' + ToString("MCV0 Expiration")
else ''"/>
</extension>
<extension url="displaySequence">
<valueInteger value="10"/>
</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<Immunization>, beforeDate Date):
immunizations I where
I.occurrence.toInterval() same day or before beforeDate"/>
</extension>
<extension url="displaySequence">
<valueInteger value="11"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition">
<extension url="libraryName">
<valueString value="IMMZCommon"/>
</extension>
<extension url="name">
<valueString value="seriesDose0"/>
</extension>
<extension url="statement">
<valueString
value="/**
* @description: Gets the doses from the dose 0 series
*/
define fluent function seriesDose0(immunizations List<Immunization>):
immunizations I where
exists( I.protocolApplied pa where pa.series = 'Dose 0' )"/>
</extension>
<extension url="displaySequence">
<valueInteger value="12"/>
</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="13"/>
</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="14"/>
</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="15"/>
</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="16"/>
</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="17"/>
</extension>
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<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="18"/>
</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/IMMZD2DTMeaslesEncounterElements"/>
</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 MeaslesElements"/>
<resource
value="http://smart.who.int/immunizations/Library/IMMZD2DTMeaslesElements"/>
</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 Elements"/>
<resource
value="http://smart.who.int/immunizations/Library/IMMZElements"/>
</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 Concepts"/>
<resource
value="http://smart.who.int/immunizations/Library/IMMZConcepts"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Value set Measles-containing vaccines"/>
<resource
value="http://smart.who.int/immunizations/ValueSet/IMMZ.Z.DE9"/>
</relatedArtifact>
<parameter>
<name value="Today"/>
<use value="in"/>
<min value="0"/>
<max value="1"/>
<type value="date"/>
</parameter>
<parameter>
<name value="MCV0"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="boolean"/>
</parameter>
<parameter>
<name value="MCV0 Create"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="string"/>
</parameter>
<dataRequirement>
<type value="Immunization"/>
<profile
value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
<mustSupport value="status"/>
<mustSupport value="isSubpotent"/>
</dataRequirement>
<dataRequirement>
<type value="Immunization"/>
<profile
value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
<mustSupport value="status"/>
<mustSupport value="isSubpotent"/>
<mustSupport value="vaccineCode"/>
</dataRequirement>
<dataRequirement>
<type value="Patient"/>
<profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
</dataRequirement>
<dataRequirement>
<type value="Immunization"/>
<profile
value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
<mustSupport value="status"/>
<mustSupport value="isSubpotent"/>
<mustSupport value="vaccineCode"/>
</dataRequirement>
<dataRequirement>
<type value="Immunization"/>
<profile
value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
<mustSupport value="status"/>
<mustSupport value="isSubpotent"/>
<mustSupport value="vaccineCode"/>
</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/IMMZD18SMeaslesMCVDose0"/>
<version value="0.2.0"/>
<name value="IMMZD18SMeaslesMCVDose0"/>
<title value="IMMZ.D18.S.Measles.MCV dose 0 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="2026-03-03T13:07:11+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.Measles.MCV dose 0 schedule
Measles-containing vaccine dose 0 (MCV0) schedule"/>
<relatedArtifact>
<type value="citation"/>
<citation
value="WHO recommendations for routine immunization - summary tables (January 2025)"/>
</relatedArtifact>
<library
value="http://smart.who.int/immunizations/Library/IMMZD18SMeaslesMCVDose0Logic"/>
<action>
<title value="MCV0"/>
<description
value="Provision of the MCV0
Trigger event: Child's birth
Trigger pseudo:
Trigger date: "Date of birth"
Create condition: In the following situations, a supplementary dose of MCV should be given to infants from 6 months of age:
• during a measles outbreak as part of intensified service delivery;
• during campaigns in settings where the risk of measles among infants aged under 9 months remains high (e.g. in endemic countries experiencing regular outbreaks);
• for internally displaced populations and refugees, and populations in conflict zones;
• for individual infants at high risk of contracting measles (e.g. contacts of known measles cases or in settings with increased risk of exposure during outbreaks such as day-care facilities);
• for infants travelling to countries experiencing measles outbreaks;
• for infants known to be HIV-infected or exposed (i.e. born to a woman infected with HIV)."/>
<condition>
<kind value="applicability"/>
<expression>
<description value="MCV0"/>
<language value="text/cql-identifier"/>
<expression value="MCV0"/>
</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="MCV0 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>