Point-of-Care Device Implementation Guide
1.0.0 - STU 1

Point-of-Care Device Implementation Guide, published by HL7 International / Devices. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/uv-pocd/ and changes regularly. See the Directory of published versions

## : Reference range type code system - XML Representation

Page standards status: Trial-use | Maturity Level: 2

Raw xml | Download

    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="reference-range-type"/>
      <meta>
        <profile
                 value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/>
      </meta>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem reference-range-type</b></p><a name="reference-range-type"> </a><a name="hcreference-range-type"> </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"/><p style="margin-bottom: 0px">Profile: <a href="http://hl7.org/fhir/R4/shareablecodesystem.html">Shareable CodeSystem</a></p></div><p>This case-insensitive code system <code>http://hl7.org/fhir/uv/pocd/CodeSystem/reference-range-type</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">alarm-limits<a name="reference-range-type-alarm-limits"> </a></td><td>Alarm limits</td><td>The range defines the alarm limits configured on the device. Values outside this range trigger an alert.</td></tr><tr><td style="white-space:nowrap">physiological-range<a name="reference-range-type-physiological-range"> </a></td><td>Physiological range</td><td>The range defines the physiologically normal or expected values for the measured parameter.</td></tr><tr><td style="white-space:nowrap">technical-range<a name="reference-range-type-technical-range"> </a></td><td>Technical range</td><td>The range defines the technical measurement capability of the device — the minimum and maximum values the device can report.</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="2">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
            <valueCanonical
                            value="http://hl7.org/fhir/uv/pocd/ImplementationGuide/hl7.fhir.uv.pocd"/>
          </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/pocd/ImplementationGuide/hl7.fhir.uv.pocd"/>
          </extension>
        </valueCode>
      </extension>
      <url value="http://hl7.org/fhir/uv/pocd/CodeSystem/reference-range-type"/>
      <version value="1.0.0"/>
      <name value="ReferenceRangeType"/>
      <title value="Reference Range Type"/>
      <status value="draft"/>
      <experimental value="false"/>
      <date value="2026-03-26"/>
      <publisher value="HL7 International / Devices"/>
      <contact>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org/Special/committees/healthcaredevices"/>
        </telecom>
      </contact>
      <description
                   value="CodeSystem for classifying the type of reference range applied to a DeviceMetric."/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
        </coding>
      </jurisdiction>
      <caseSensitive value="false"/>
      <content value="complete"/>
      <concept>
        <code value="alarm-limits"/>
        <display value="Alarm limits"/>
        <definition
                    value="The range defines the alarm limits configured on the device. Values outside this range trigger an alert."/>
      </concept>
      <concept>
        <code value="physiological-range"/>
        <display value="Physiological range"/>
        <definition
                    value="The range defines the physiologically normal or expected values for the measured parameter."/>
      </concept>
      <concept>
        <code value="technical-range"/>
        <display value="Technical range"/>
        <definition
                    value="The range defines the technical measurement capability of the device — the minimum and maximum values the device can report."/>
      </concept>
    </CodeSystem>