Different countries use different national patient identification schemes to identify patients in their healthcare systems.
The following table lists the national patient identifiers used in different countries.
http://ns.electronichealth.net.au/id/hi/ihi/1.0
8003608833357361
https://standards.digital.health.nz/ns/nhi-id
ABC1234
https://fhir.nhs.uk/Id/nhs-number
4857773456
urn:oid:2.16.756.5.30.1.127.3.10.3
761337615317835750