{
  "resourceType" : "CodeSystem",
  "id" : "telecommunicationUse",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-telecommunicationUse.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/telecommunicationUse</code></a></li></ul></div>"
  },
  "extension" : [{
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
    "valueString" : "2.9.1"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
    "valueString" : "generate correct history somehow"
  },
  {
    "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
    "valueString" : "0201"
  }],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/telecommunicationUse",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.18.106"
  },
  {
    "system" : "urn:ietf:rfc:3986",
    "value" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0201"
  }],
  "version" : "1.3.0",
  "name" : "TelecommunicationUse",
  "title" : "Telecommunication Use Code (2.9.1 - 1.3.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-03-13T11:04:57+00:00",
  "publisher" : "HL7/FO",
  "contact" : [{
    "name" : "HL7/FO",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org"
    }]
  }],
  "description" : "HL7-defined code system of concepts for specifying a specific use of a telecommunication number.  Best practice is to use this concept whenever a telecommunication number or access string is specified.  Used in HL7 Version 2.x messaging in the XTN segment.",
  "copyright" : "HL7 Inc., 2026",
  "caseSensitive" : true,
  "compositional" : false,
  "content" : "complete",
  "property" : [{
    "code" : "versionIntroduced",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
    "description" : "version when was this code introduced",
    "type" : "string"
  },
  {
    "code" : "versionDeprecated",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
    "description" : "version when was this code deprecated",
    "type" : "string"
  },
  {
    "code" : "status",
    "uri" : "http://hl7.org/fhir/concept-properties#status",
    "description" : "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
    "type" : "code"
  },
  {
    "code" : "comment",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
    "description" : "A string that provides additional detail pertinent to the use or understanding of the concept",
    "type" : "string"
  },
  {
    "code" : "usage",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
    "description" : "usage notes for this code",
    "type" : "string"
  },
  {
    "code" : "modified",
    "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
    "description" : "date of last modification",
    "type" : "dateTime"
  }],
  "concept" : [{
    "id" : "1953",
    "code" : "ASN",
    "display" : "Answering Service Number",
    "definition" : "Answering Service Number",
    "designation" : [{
      "language" : "de",
      "value" : "Auftragsdienst"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1956",
    "code" : "BPN",
    "display" : "Beeper Number",
    "definition" : "Beeper Number",
    "designation" : [{
      "language" : "de",
      "value" : "Pagernummer (Cityruf o.ä.)"
    }],
    "property" : [{
      "code" : "comment",
      "valueString" : "Retained for backward compatibility as of v 2.6"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3.1"
    }]
  },
  {
    "code" : "DSM",
    "display" : "Direct Secure Messaging",
    "definition" : "Direct Secure Messaging using the Direct Protocol",
    "property" : [{
      "code" : "status",
      "valueCode" : "new"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2025-07-29"
    }]
  },
  {
    "id" : "1954",
    "code" : "EMR",
    "display" : "Emergency Number",
    "definition" : "Emergency Number",
    "designation" : [{
      "language" : "de",
      "value" : "Notfallnummer"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1955",
    "code" : "NET",
    "display" : "Network (email) Address",
    "definition" : "Network (email) Address",
    "designation" : [{
      "language" : "de",
      "value" : "Netzwerkadresse (E-Mail)"
    }],
    "property" : [{
      "code" : "comment",
      "valueString" : "Retained for backward compatibility as of v 2.6"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1950",
    "code" : "ORN",
    "display" : "Other Residence Number",
    "definition" : "Other Residence Number",
    "designation" : [{
      "language" : "de",
      "value" : "Nebenwohnsitznummer"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1949",
    "code" : "PRN",
    "display" : "Primary Residence Number",
    "definition" : "Primary Residence Number",
    "designation" : [{
      "language" : "de",
      "value" : "Hauptwohnsitznummer"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1957",
    "code" : "PRS",
    "display" : "Personal",
    "definition" : "Personal",
    "property" : [{
      "code" : "comment",
      "valueString" : "Not tied to a location or role"
    },
    {
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.6"
    }]
  },
  {
    "id" : "1952",
    "code" : "VHN",
    "display" : "Vacation Home Number",
    "definition" : "Vacation Home Number",
    "designation" : [{
      "language" : "de",
      "value" : "Ferienwohnsitznummer"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  },
  {
    "id" : "1951",
    "code" : "WPN",
    "display" : "Work Number",
    "definition" : "Work Number",
    "designation" : [{
      "language" : "de",
      "value" : "Dienstnummer"
    }],
    "property" : [{
      "code" : "modified",
      "valueDateTime" : "2015-07-13"
    },
    {
      "code" : "versionIntroduced",
      "valueString" : "2.3"
    }]
  }]
}