Personal Health Device Implementation Guide, published by HL7 International / Health Care Devices. This guide is not an authorized publication; it is the continuous build for version 2.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/phd/ and changes regularly. See the Directory of published versions

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: SimpleAlertOperationalStates CodeSystem - XML Representation

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="SimpleAlertOperationalStatesCS"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem SimpleAlertOperationalStatesCS</b></p><a name="SimpleAlertOperationalStatesCS"> </a><a name="hcSimpleAlertOperationalStatesCS"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/phd/CodeSystem/SimpleAlertOperationalStatesCS</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">Limits-On<a name="SimpleAlertOperationalStatesCS-Limits-On"> </a></td><td>Limits On</td><td>The alert system is checking the high and low limits.</td></tr><tr><td style="white-space:nowrap">Limits-Off<a name="SimpleAlertOperationalStatesCS-Limits-Off"> </a></td><td>Limits Off</td><td>The alert system is not checking the high and low limits.</td></tr><tr><td style="white-space:nowrap">Limits-Low-Off<a name="SimpleAlertOperationalStatesCS-Limits-Low-Off"> </a></td><td>Low Limit Off</td><td>The alerting system is only checking the high limit.</td></tr><tr><td style="white-space:nowrap">Limits-High-Off<a name="SimpleAlertOperationalStatesCS-Limits-High-Off"> </a></td><td>High Limit Off</td><td>The alerting system is only checking the low limit.</td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="dev"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/uv/phd/ImplementationGuide/hl7.fhir.uv.phd"/>
      </extension>
    </valueInteger>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/uv/phd/ImplementationGuide/hl7.fhir.uv.phd"/>
      </extension>
    </valueCode>
  </extension>
  <url
       value="http://hl7.org/fhir/uv/phd/CodeSystem/SimpleAlertOperationalStatesCS"/>
  <version value="2.0.0-ballot2"/>
  <name value="SimpleAlertOperationalStatesCS"/>
  <title value="Simple Alert Operational States"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2025-08-14T11:24:25+00:00"/>
  <publisher value="HL7 International / Health Care Devices"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/healthcaredevices"/>
    </telecom>
  </contact>
  <description
               value="The operational states for the simple alerting system."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="4"/>
  <concept>
    <code value="Limits-On"/>
    <display value="Limits On"/>
    <definition
                value="The alert system is checking the high and low limits."/>
  </concept>
  <concept>
    <code value="Limits-Off"/>
    <display value="Limits Off"/>
    <definition
                value="The alert system is not checking the high and low limits."/>
  </concept>
  <concept>
    <code value="Limits-Low-Off"/>
    <display value="Low Limit Off"/>
    <definition value="The alerting system is only checking the high limit."/>
  </concept>
  <concept>
    <code value="Limits-High-Off"/>
    <display value="High Limit Off"/>
    <definition value="The alerting system is only checking the low limit."/>
  </concept>
</CodeSystem>