<status value="active" /> <experimental value="false" /> <date value="2025-11-27" /> <publisher value="Ontario Health" /> <contact> <name value="Ontario Health - Digital Health Standards" /> <telecom> <system value="url" /> <value value="https://ehealthontario.on.ca/en/it-professionals/standards" /> </telecom> <telecom> <system value="email" /> <value value="DigitalHealthStandards@ontariohealth.ca" /> </telecom> </contact> <description value="Codes supported by Ontario Health differentiating types of identifiers." /> <compose> <include> <version value="4.0.1" /> <valueSet value="http://hl7.org/fhir/ValueSet/identifier-type" /> </include> <include> <system value="http://terminology.hl7.org/CodeSystem/v2-0203" /> <concept> <code value="AC" /> <display value="Accreditation/Certification Identifier" /> </concept> <concept> <code value="ANON" /> <display value="Anonymous identifier" /> </concept> <concept> <code value="FI" /> <display value="Facility ID" /> </concept> <concept> <code value="LN" /> <display value="License number" /> </concept> <concept> <code value="LR" /> <display value="Local Registry ID" /> </concept> <concept> <code value="PGN" /> <display value="Placer Group Number" /> </concept> <concept> <code value="PI" /> <display value="Patient internal identifier" /> </concept> <concept> <code value="RRI" /> <display value="Regional registry ID" /> </concept> <concept> <code value="SID" /> <display value="Specimen ID" /> </concept> <concept> <code value="U" /> <display value="Unspecified identifier" /> </concept> <concept> <code value="VN" /> <display value="Visit number" /> </concept> <concept> <code value="XX" /> <display value="Organization identifier" /> </concept> </include> <include> <system value="http://ontariohealth.ca/fhir/ehr/CodeSystem/identifier-type" /> <concept> <code value="HCS" /> <display value="HealthcareService Identifier" /> </concept> <concept> <code value="REQ" /> <display value="Request Identifier" /> </concept> <concept> <code value="MNI" /> <display value="Master Numbering Index" /> </concept> <concept> <code value="LHIN" /> <display value="Local Health Integration Network" /> </concept> <concept> <code value="LLS" /> <display value="Lab Services Licensing System" /> </concept> <concept> <code value="CNUM" /> <display value="Corporate Number" /> </concept> <concept> <code value="BNUM" /> <display value="Business Number" /> </concept> </include> </compose> </ValueSet>