Release 4

This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU) in it's permanent home (it will always be available at this URL). 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

Codesystem-identifier-use.json

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: Informative

Raw JSON (canonical form + also see JSON Format Specification)

Definition for Code System IdentifierUse

{
  "resourceType" : "CodeSystem",
  "id" : "identifier-use",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode" : "4.0.0"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  }],
  "url" : "http://hl7.org/fhir/identifier-use",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.58"
  }],
  "version" : "4.0.1",
  "name" : "IdentifierUse",
  "title" : "IdentifierUse",
  "status" : "active",
  "experimental" : false,
  "date" : "2019-11-01T09:29:23+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "Identifies the purpose for this identifier, if known .",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/identifier-use",
  "content" : "complete",
  "concept" : [{
    "code" : "usual",
    "display" : "Usual",
    "definition" : "The identifier recommended for display and use in real-world interactions."
  },
  {
    "code" : "official",
    "display" : "Official",
    "definition" : "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."
  },
  {
    "code" : "temp",
    "display" : "Temp",
    "definition" : "A temporary identifier."
  },
  {
    "code" : "secondary",
    "display" : "Secondary",
    "definition" : "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."
  },
  {
    "code" : "old",
    "display" : "Old",
    "definition" : "The identifier id no longer considered valid, but may be relevant for search purposes.  E.g. Changes to identifier schemes, account merges, etc."
  }]
}

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.