HL7 v2.7.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v271/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON
• TTL

: Alert Level (2.7.1 - 1.0.0) - JSON Representation

Active as of 2026-01-27

Raw json | Download

{
  "resourceType" : "CodeSystem",
  "id" : "alertLevel",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-alertLevel.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/alertLevel</code></a></li></ul></div>"
  },
  "extension" : [
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
      "valueString" : "2.7.1"
    },
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
      "valueString" : "generate correct history somehow"
    },
    {
      "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
      "valueString" : "0367"
    }
  ],
  "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/alertLevel",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.18.225"
    }
  ],
  "version" : "1.0.0",
  "name" : "AlertLevel",
  "title" : "Alert Level (2.7.1 - 1.0.0)",
  "status" : "active",
  "experimental" : true,
  "date" : "2026-01-27T19:48:36+00:00",
  "publisher" : "HL7/FO",
  "contact" : [
    {
      "name" : "HL7/FO",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org"
        }
      ]
    }
  ],
  "description" : "HL7-defined code system of concepts that identify the highest level of the alert state (e.g.,highest alert severity) that is associated with the indicated equipment (e.g. processing event, inventory event, QC event).  Used in the Equipment Detail (EQU) and Notification Detail (NDS) segments in HL7 Version 2.x messaging.",
  "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" : [
    {
      "code" : "C",
      "display" : "Critical",
      "definition" : "Critical",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "Shut Down, Fix Problem and Re-init"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "code" : "N",
      "display" : "Normal",
      "definition" : "Normal",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "No Corrective Action Needed"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "code" : "S",
      "display" : "Serious",
      "definition" : "Serious",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "Corrective Action Required"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    },
    {
      "code" : "W",
      "display" : "Warning",
      "definition" : "Warning",
      "property" : [
        {
          "code" : "usage",
          "valueString" : "Corrective Action Anticipated"
        },
        {
          "code" : "versionIntroduced",
          "valueString" : "2.4"
        }
      ]
    }
  ]
}