Title: WHOEncounterElements
Id: WHOEncounterElements
Version: 1.0.0
Url: WHOEncounterElements
Status: draft
Type:

system: http://terminology.hl7.org/CodeSystem/library-type

code: logic-library

Date: 2026-03-31 13:54:17+0000
Publisher: WHO
Description:

This library defines encounter-based elements used throughout WHO SMART Guidelines content
Related Artifacts:

Dependencies
Parameters:
NameTypeMinMaxIn/Out
AsOfdate01In
EncounterIdstring01In
PatientPatient01Out
Pregnant ObservationObservation0*Out
Content: text/cql
library WHOEncounterElements

using FHIR version '4.0.1'

include FHIRHelpers version '4.0.1'

include WHOConcepts called Concepts
include WHOCommon called Common
include WHOElements called Elements

parameter AsOf Date default Today()
parameter EncounterId String

context Patient

define "Pregnant Observation":
  Elements."Pregnant Observation" O
    where O.encounter.references(EncounterId)
      or O.effective.toInterval() starts same day or after AsOf - 9 months
<status value="draft"/> <experimental value="false"/> <type> <coding> <system value="http://terminology.hl7.org/CodeSystem/library-type"/> <code value="logic-library"/> </coding> </type> <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="This library defines encounter-based elements used throughout WHO SMART Guidelines content"/> <relatedArtifact> <type value="depends-on"/> <display value="Library Concepts"/> <resource value="http://smart.who.int/immunizations/Library/WHOConcepts"/> </relatedArtifact> <relatedArtifact> <type value="depends-on"/> <display value="Library Common"/> <resource value="http://smart.who.int/immunizations/Library/WHOCommon"/> </relatedArtifact> <relatedArtifact> <type value="depends-on"/> <display value="Library Elements"/> <resource value="http://smart.who.int/immunizations/Library/WHOElements"/> </relatedArtifact> <parameter> <name value="AsOf"/> <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="Patient"/> <use value="out"/> <min value="0"/> <max value="1"/> <type value="Patient"/> </parameter> <parameter> <name value="Pregnant Observation"/> <use value="out"/> <min value="0"/> <max value="*"/> <type value="Observation"/> </parameter> <content> <contentType value="text/cql"/> <data value="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"/> </content> </Library>