HL7 Personal Health Record System Functional Model, Release 2
2.0.1 - Normative

HL7 Personal Health Record System Functional Model, Release 2, published by EHR WG. This guide is not an authorized publication; it is the continuous build for version 2.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/phrsfm-ig/ and changes regularly. See the Directory of published versions

: TI.3 Registry and Directory Services (Function)

Page standards status: Normative

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:Requirements ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "PHRSFMR2-TI.3"] ; # 
  fhir:meta [
    ( fhir:profile [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/FMFunction"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/FMFunction>     ] )
  ] ; # 
  fhir:language [ fhir:v "en"] ; # 
  fhir:text [
fhir:status [ fhir:v "extensions" ] ;
fhir:div [ fhir:v "<div xml:lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n    \n    \n    <div id=\"description\"><b>Description <a href=\"https://hl7.org/fhir/versions.html#std-process\" title=\"Informative Content\" class=\"informative-flag\">I</a>:</b> <div><p>Registry and directory service functions are critical to successfully managing the security, interoperability, and the consistency of the health record data across a PHR-S. These services enable the linking of relevant information across multiple information sources within, or external to, a PHR-S for use within an application. This applies to directories/registries internal to the PHR-S as well as directories/registries external to the PHR-S. Transmission may occur automatically or manually and may include small or large amounts of data. Directories and registries support communication between PHR Systems and may be organized hierarchically or in a federated fashion. For example, a patient being treated by a primary care physician for a chronic condition may become ill while out of town. The new provider's PHR-S interrogates a local, regional, or national registry to find the patient's previous records. From the primary care record, a remote PHR-S retrieves relevant information in conformance with applicable patient privacy and confidentiality rules.</p>\n<p>An example of local registry usage is a PHR-S application sending a query message to the Hospital Information System to retrieve a patient's demographic data.</p>\n</div></div>\n    \n    \n    \n    <div id=\"requirements\"><b>Criteria <a href=\"https://hl7.org/fhir/versions.html#std-process\" title=\"Normative Content\" class=\"normative-flag\">N</a>:</b></div>\n    \n    <table id=\"statements\" class=\"grid dict\">\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#01\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHALL\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system SHALL provide the ability to manage internal registry services and directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#02\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHALL\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system SHALL provide the ability to exchange information with external registry services and directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#03\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHALL\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system SHALL provide the ability to exchange information securely with external registry services and directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#04\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHALL\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system SHALL conform to function <a href=\"Requirements-PHRSFMR2-TI.5.1.html\">TI.5.1</a> (Application and Structured-Document Interchange Standards) to exchange information with external registry services and directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#05\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHOULD\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system SHOULD capture and render local registry services and directory information through standards-based interfaces.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#06\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHOULD\n            \n            <span style=\"border-radius: 999px;margin: 2px 2px;font-size: 10px;display: inline-block;padding: 3px 5px;letter-spacing: 0.5px;line-height: 1;white-space: nowrap;background-color: #f3e5ff;color: #7b1fa2;border: 1px solid #d1a3ff;\">conditional</span>\n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>IF the system communicates with external registry services and directories (i.e., external to a PHR-S), THEN the system SHOULD capture and render information using standards-based interfaces.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#07\n            </td>\n            <td style=\"padding-left: 4px;\">\n            SHOULD\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system SHOULD provide the ability to determine the unique identity of a patient through the use of internal, and/or external registry services or directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#08\n            </td>\n            <td style=\"padding-left: 4px;\">\n            MAY\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system MAY provide the ability to determine links to healthcare information regarding a patient through the use of internal, and/or external registry services or directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#09\n            </td>\n            <td style=\"padding-left: 4px;\">\n            MAY\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system MAY provide the ability to determine the unique identity of a provider through the use of internal, and/or external registry services or directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#10\n            </td>\n            <td style=\"padding-left: 4px;\">\n            MAY\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system MAY provide the ability to determine the identity of payers, health plans and sponsors for administrative or financial purposes through the use of internal, and/or external registry services or directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n        <tr>\n            <td style=\"padding-left: 4px;\">\n            TI.3#11\n            </td>\n            <td style=\"padding-left: 4px;\">\n            MAY\n            \n            \n            \n            </td>\n            <td style=\"padding-left: 4px;\" class=\"requirement\">\n                <div><p>The system MAY provide the ability to determine the identity of employers for administrative or financial purposes through the use of internal, and/or external registry services or directories.</p>\n</div>\n                \n            </td>\n        </tr>\n        \n    </table>\n</div>"^^rdf:XMLLiteral ]
  ] ; # 
  fhir:extension ( [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status>     ] ;
fhir:value [
a fhir:Code ;
fhir:v "normative"     ]
  ] [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-wg>     ] ;
fhir:value [
a fhir:Code ;
fhir:v "ehr"     ]
  ] ) ; # 
  fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/Requirements/PHRSFMR2-TI.3"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/Requirements/PHRSFMR2-TI.3>
  ] ; # 
  fhir:version [ fhir:v "2.0.1"] ; # 
  fhir:name [ fhir:v "TI_3_Registry_and_Directory_Services"] ; # 
  fhir:title [ fhir:v "TI.3 Registry and Directory Services (Function)"] ; # 
  fhir:status [ fhir:v "active"] ; # 
  fhir:date [ fhir:v "2025-12-07T09:26:53+00:00"^^xsd:dateTime] ; # 
  fhir:publisher [ fhir:v "EHR WG"] ; # 
  fhir:contact ( [
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/ehr" ]     ] )
  ] ) ; # 
  fhir:description [ fhir:v "Enable the use of registry services and directories to uniquely identify, locate and supply links for retrieval of information related to:\r\n- patients and providers for healthcare purposes;\r\n- payers, health plans, sponsors, and employers for administrative and financial purposes;\r\n- public health agencies for healthcare purposes, and- healthcare resources and devices for resource management purposes."] ; # 
  fhir:purpose [ fhir:v "Registry and directory service functions are critical to successfully managing the security, interoperability, and the consistency of the health record data across a PHR-S. These services enable the linking of relevant information across multiple information sources within, or external to, a PHR-S for use within an application. This applies to directories/registries internal to the PHR-S as well as directories/registries external to the PHR-S. Transmission may occur automatically or manually and may include small or large amounts of data. Directories and registries support communication between PHR Systems and may be organized hierarchically or in a federated fashion. For example, a patient being treated by a primary care physician for a chronic condition may become ill while out of town. The new provider's PHR-S interrogates a local, regional, or national registry to find the patient's previous records. From the primary care record, a remote PHR-S retrieves relevant information in conformance with applicable patient privacy and confidentiality rules.\r\n\r\nAn example of local registry usage is a PHR-S application sending a query message to the Hospital Information System to retrieve a patient's demographic data."] ; # 
  fhir:statement ( [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-01" ] ;
fhir:label [ fhir:v "TI.3#01" ] ;
    ( fhir:conformance [ fhir:v "SHALL" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system SHALL provide the ability to manage internal registry services and directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-02" ] ;
fhir:label [ fhir:v "TI.3#02" ] ;
    ( fhir:conformance [ fhir:v "SHALL" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system SHALL provide the ability to exchange information with external registry services and directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-03" ] ;
fhir:label [ fhir:v "TI.3#03" ] ;
    ( fhir:conformance [ fhir:v "SHALL" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system SHALL provide the ability to exchange information securely with external registry services and directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-04" ] ;
fhir:label [ fhir:v "TI.3#04" ] ;
    ( fhir:conformance [ fhir:v "SHALL" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system SHALL conform to function [TI.5.1](Requirements-PHRSFMR2-TI.5.1.html) (Application and Structured-Document Interchange Standards) to exchange information with external registry services and directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-05" ] ;
fhir:label [ fhir:v "TI.3#05" ] ;
    ( fhir:conformance [ fhir:v "SHOULD" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system SHOULD capture and render local registry services and directory information through standards-based interfaces." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-06" ] ;
fhir:label [ fhir:v "TI.3#06" ] ;
    ( fhir:conformance [ fhir:v "SHOULD" ] ) ;
fhir:conditionality [ fhir:v true ] ;
fhir:requirement [ fhir:v "IF the system communicates with external registry services and directories (i.e., external to a PHR-S), THEN the system SHOULD capture and render information using standards-based interfaces." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-07" ] ;
fhir:label [ fhir:v "TI.3#07" ] ;
    ( fhir:conformance [ fhir:v "SHOULD" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system SHOULD provide the ability to determine the unique identity of a patient through the use of internal, and/or external registry services or directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-08" ] ;
fhir:label [ fhir:v "TI.3#08" ] ;
    ( fhir:conformance [ fhir:v "MAY" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system MAY provide the ability to determine links to healthcare information regarding a patient through the use of internal, and/or external registry services or directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-09" ] ;
fhir:label [ fhir:v "TI.3#09" ] ;
    ( fhir:conformance [ fhir:v "MAY" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system MAY provide the ability to determine the unique identity of a provider through the use of internal, and/or external registry services or directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-10" ] ;
fhir:label [ fhir:v "TI.3#10" ] ;
    ( fhir:conformance [ fhir:v "MAY" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system MAY provide the ability to determine the identity of payers, health plans and sponsors for administrative or financial purposes through the use of internal, and/or external registry services or directories." ]
  ] [
    ( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent"^^xsd:anyURI ;
fhir:l <http://hl7.org/ehrs/uv/phrsfmr2/StructureDefinition/requirements-dependent>       ] ;
fhir:value [
a fhir:Boolean ;
fhir:v false       ]     ] ) ;
fhir:key [ fhir:v "PHRSFMR2-TI.3-11" ] ;
fhir:label [ fhir:v "TI.3#11" ] ;
    ( fhir:conformance [ fhir:v "MAY" ] ) ;
fhir:conditionality [ fhir:v false ] ;
fhir:requirement [ fhir:v "The system MAY provide the ability to determine the identity of employers for administrative or financial purposes through the use of internal, and/or external registry services or directories." ]
  ] ) . #