<status value="active" /> <description value="Immunization Subpotent Reason" /> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/immunization-subpotent-reason" /> <concept> <code value="recall" /> <display value="Manufacturer Recall" /> </concept> </include> <include> <system value="http://ehealthontario.ca/fhir/CodeSystem/immunization-subpotent-reason-on" /> </include> </compose> </ValueSet>