<status value="active" /> <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 eHealth Ontario differentiating types of patient identifier types" /> <immutable value="false" /> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v2-0203" /> <concept> <code value="JHN" /> </concept> <concept> <code value="MR" /> </concept> <concept> <code value="PI" /> </concept> <concept> <code value="RRI" /> </concept> </include> </compose> </ValueSet>