FHIR Extensions Pack
5.3.0 - May 2026 International flag

This page is part of the FHIR Core Extensions Registry (v5.3.0: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: Patient's/person's identity is known/unknown.

Official URL: http://hl7.org/fhir/patient-unknownIdentity Version: 5.3.0
Standards status: Draft Maturity Level: 4 Responsible: HL7 International / Patient Administration Computable Name: PatientUnknownIdentity
Other Identifiers: OID:2.16.840.1.113883.4.642.4.2125

The identity of an individual is known/unknown.

This Code system is referenced in the content logical definition of the following value sets:

Changes since version 5.2.0:

  • The resource metadata has changed (experimental)

    • Last updated: 2023-01-31 07:07:38+1100

    Profile: Shareable CodeSystem

    This case-sensitive code system http://hl7.org/fhir/patient-unknownIdentity defines the following codes:

    CodeDisplayDefinition
    known Known Identity The patient's/person's identity is known.
    unknown Unknown Identity The patient's/person's identity is unknown.