This page is part of the FHIR Specification (v4.3.0-snapshot1: Release 4B Snapshot #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3
FHIR Infrastructure Work Group | Maturity Level: N/A | Standards Status: Informative |
Raw XML (canonical form + also see XML Format Specification)
Definition for Code System IdentifierUse
<?xml version="1.0" encoding="UTF-8"?> <CodeSystem xmlns="http://hl7.org/fhir"> <id value="identifier-use"/> <meta> <lastUpdated value="2021-12-20T14:08:35.086+11:00"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <p> This code system http://hl7.org/fhir/identifier-use defines the following codes:</p> <table class="codes"> <tr> <td style="white-space:nowrap"> <b> Code</b> </td> <td> <b> Display</b> </td> <td> <b> Definition</b> </td> </tr> <tr> <td style="white-space:nowrap">usual <a name="identifier-use-usual"> </a> </td> <td> Usual</td> <td> The identifier recommended for display and use in real-world interactions.</td> </tr> <tr> <td style="white-space:nowrap">official <a name="identifier-use-official"> </a> </td> <td> Official</td> <td> The identifier considered to be most trusted for the identification of this item. Sometimes also known as "primary" and "main". The determination of "official" is subjective and implementation guides often provide additional guidelines for use.</td> </tr> <tr> <td style="white-space:nowrap">temp <a name="identifier-use-temp"> </a> </td> <td> Temp</td> <td> A temporary identifier.</td> </tr> <tr> <td style="white-space:nowrap">secondary <a name="identifier-use-secondary"> </a> </td> <td> Secondary</td> <td> An identifier that was assigned in secondary use - it serves to identify the object in a relative context, but cannot be consistently assigned to the same object again in a different context.</td> </tr> <tr> <td style="white-space:nowrap">old <a name="identifier-use-old"> </a> </td> <td> Old</td> <td> The identifier id no longer considered valid, but may be relevant for search purposes. E.g. Changes to identifier schemes, account merges, etc.</td> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="fhir"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="normative"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"> <valueCode value="4.0.0"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="5"/> </extension> <url value="http://hl7.org/fhir/identifier-use"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.1.58"/> </identifier> <version value="4.3.0-snapshot1"/> <name value="IdentifierUse"/> <title value="IdentifierUse"/> <status value="active"/> <experimental value="false"/> <date value="2021-12-20T14:08:35+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="Identifies the purpose for this identifier, if known ."/> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/identifier-use"/> <content value="complete"/> <concept> <code value="usual"/> <display value="Usual"/> <definition value="The identifier recommended for display and use in real-world interactions."/> </concept> <concept> <code value="official"/> <display value="Official"/> <definition value="The identifier considered to be most trusted for the identification of this item. Sometimes also known as "primary" and "main". The determination of "official" is subjective and implementation guides often provide additional guidelines for use."/> </concept> <concept> <code value="temp"/> <display value="Temp"/> <definition value="A temporary identifier."/> </concept> <concept> <code value="secondary"/> <display value="Secondary"/> <definition value="An identifier that was assigned in secondary use - it serves to identify the object in a relative context, but cannot be consistently assigned to the same object again in a different context."/> </concept> <concept> <code value="old"/> <display value="Old"/> <definition value="The identifier id no longer considered valid, but may be relevant for search purposes. E.g. Changes to identifier schemes, account merges, etc."/> </concept> </CodeSystem>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.