---
type: "codesystem"
title: "Device Alert Signal Type"
codesystem: "devicealert-signalType"
---
# Device Alert Signal Type

- **Official URL**: http://hl7.org/fhir/devicealert-signalType
- **Version**: 6.0.0
- **Status**: active
- **Name**: DeviceAlertSignalType
- **Title**: Device Alert Signal Type
- **Publisher**: HL7 International / Health Care Devices
- **Description**: Describes the annunciator of a device alert.
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| strobe-white | White Strobe | White flashing light |
| text-2m | Text (2 m) | Text readable at a distance of 2 meters |
| fast-pulse | Intermittent Vibration (Rapid) | A rapid intermittent (alternating) vibration |

## CodeSystem XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="devicealert-signalType"/>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="dev"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1"/>
  </extension>
  <url value="http://hl7.org/fhir/devicealert-signalType"/>
  <version value="6.0.0"/>
  <name value="DeviceAlertSignalType"/>
  <title value="Device Alert Signal Type"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2023-12-10T10:01:24+11:00"/>
  <publisher value="HL7 International / Health Care Devices"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/healthcaredevices"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Describes the annunciator of a device alert."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/devicealert-signalType"/>
  <content value="complete"/>
  <concept>
    <code value="strobe-white"/>
    <display value="White Strobe"/>
    <definition value="White flashing light"/>
  </concept>
  <concept>
    <code value="text-2m"/>
    <display value="Text (2 m)"/>
    <definition value="Text readable at a distance of 2 meters"/>
  </concept>
  <concept>
    <code value="fast-pulse"/>
    <display value="Intermittent Vibration (Rapid)"/>
    <definition value="A rapid intermittent (alternating) vibration"/>
  </concept>
</CodeSystem>
```