HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v7.2.0: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions

: Device Alert Presence

Active as of 2026-02-04

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{
  "resourceType" : "CodeSystem",
  "id" : "devicealert-presence",
  "meta" : {
    "lastUpdated" : "2026-02-04T00:00:00+00:00",
    "profile" : [
      🔗 "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
    ]
  },
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem devicealert-presence</b></p><a name=\"devicealert-presence\"> </a><a name=\"hcdevicealert-presence\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2026-02-04 00:00:00+0000</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"http://hl7.org/fhir/R5/shareablecodesystem.html\">Shareable CodeSystem</a></p></div><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/devicealert-presence</code> 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\">on<a name=\"devicealert-presence-on\"> </a></td><td>On</td><td>The signal is annunciated due to the presence of the alert condition</td></tr><tr><td style=\"white-space:nowrap\">latched<a name=\"devicealert-presence-latched\"> </a></td><td>Latched</td><td>The signal is annunciated after the alert condition is no longer present, until it is stopped by deliberate operator action</td></tr><tr><td style=\"white-space:nowrap\">off<a name=\"devicealert-presence-off\"> </a></td><td>Off</td><td>The signal is not being annunciated and the alert condition is no longer present</td></tr><tr><td style=\"white-space:nowrap\">ack<a name=\"devicealert-presence-ack\"> </a></td><td>Acknowledged</td><td>The signal is no longer annunciated having been stopped by deliberate operator action although the alert condition is still present</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "dev"
    }
  ],
  "url" : "http://terminology.hl7.org/CodeSystem/devicealert-presence",
  "version" : "1.0.0",
  "name" : "DeviceAlertPresence",
  "title" : "Device Alert Presence",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-02-04T00:00:00+00:00",
  "publisher" : "Health Level Seven International",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org"
        },
        {
          "system" : "email",
          "value" : "hq@HL7.org"
        }
      ]
    }
  ],
  "description" : "Describes the Presence of a DeviceAlert.",
  "copyright" : "This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
  "caseSensitive" : true,
  "valueSet" : "http://terminology.hl7.org/ValueSet/devicealert-presence",
  "content" : "complete",
  "concept" : [
    {
      "code" : "on",
      "display" : "On",
      "definition" : "The signal is annunciated due to the presence of the alert condition"
    },
    {
      "code" : "latched",
      "display" : "Latched",
      "definition" : "The signal is annunciated after the alert condition is no longer present, until it is stopped by deliberate operator action"
    },
    {
      "code" : "off",
      "display" : "Off",
      "definition" : "The signal is not being annunciated and the alert condition is no longer present"
    },
    {
      "code" : "ack",
      "display" : "Acknowledged",
      "definition" : "The signal is no longer annunciated having been stopped by deliberate operator action although the alert condition is still present"
    }
  ]
}