FHIR Extensions Pack
5.3.0-ballot - (September 2025 Ballot) International flag

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

Extension: Patient Known Non Duplicate

Official URL: http://hl7.org/fhir/StructureDefinition/patient-knownNonDuplicate Version: 5.3.0-ballot
Standards status: Trial-use Maturity Level: 1 Responsible: HL7 International / Patient Administration Computable Name: PatientKnownNonDuplicate
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1719

This patient or person is known not to be the same person. This would represent patients or persons who look similar, but are known not to be the same person, and are known non-duplicates. This is not intended to be an exhaustive link to all patients in the system that are not the same person. It should represent an affirmation based on manual review to reduce false flags in potential duplicate processing.

Context of Use

This extension may be used on the following element(s)

Usage info

Usages:

  • This Extension is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

Changes since version 5.2.0:

  • The resource metadata has changed (status)

    • Formal Views of Extension Content

    Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

    This structure is derived from Extension

    Summary

    Simple Extension with the type Reference: This patient or person is known not to be the same person. This would represent patients or persons who look similar, but are known not to be the same person, and are known non-duplicates. This is not intended to be an exhaustive link to all patients in the system that are not the same person. It should represent an affirmation based on manual review to reduce false flags in potential duplicate processing.

    Maturity: 1

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Patient or person is known not to be the same person
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/patient-knownNonDuplicate"
    ... value[x] 1..1 Reference(Patient | RelatedPerson) Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Patient or person is known not to be the same person
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/patient-knownNonDuplicate"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension with the type Reference: This patient or person is known not to be the same person. This would represent patients or persons who look similar, but are known not to be the same person, and are known non-duplicates. This is not intended to be an exhaustive link to all patients in the system that are not the same person. It should represent an affirmation based on manual review to reduce false flags in potential duplicate processing.

    Maturity: 1

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Patient or person is known not to be the same person
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/patient-knownNonDuplicate"
    ... value[x] 1..1 Reference(Patient | RelatedPerson) Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Patient or person is known not to be the same person
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/patient-knownNonDuplicate"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Constraints

    IdGradePath(s)DetailsRequirements
    ele-1error**ALL** elementsAll FHIR elements must have a @value or children
    : hasValue() or (children().count() > id.count())
    ext-1error**ALL** extensionsMust have either extensions or value[x], not both
    : extension.exists() != value.exists()

    R4B

    The extension is unchanged in R4B

    R4

    The extension is unchanged in R4

    R3

    The extension is unchanged in R3

    Search Parameters for this Extension

    (none found)