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

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: Reference range type code system - JSON Representation

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{
  "resourceType" : "CodeSystem",
  "id" : "reference-range-type",
  "meta" : {
    "profile" : [
      🔗 "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
    ]
  },
  "text" : {
    "status" : "generated",
    "div" : "<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>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "dev"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 2,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/pocd/ImplementationGuide/hl7.fhir.uv.pocd"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/pocd/ImplementationGuide/hl7.fhir.uv.pocd"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/pocd/CodeSystem/reference-range-type",
  "version" : "1.0.0",
  "name" : "ReferenceRangeType",
  "title" : "Reference Range Type",
  "status" : "draft",
  "experimental" : false,
  "date" : "2026-03-26",
  "publisher" : "HL7 International / Devices",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/healthcaredevices"
        }
      ]
    }
  ],
  "description" : "CodeSystem for classifying the type of reference range applied to a DeviceMetric.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001"
        }
      ]
    }
  ],
  "caseSensitive" : false,
  "content" : "complete",
  "concept" : [
    {
      "code" : "alarm-limits",
      "display" : "Alarm limits",
      "definition" : "The range defines the alarm limits configured on the device. Values outside this range trigger an alert."
    },
    {
      "code" : "physiological-range",
      "display" : "Physiological range",
      "definition" : "The range defines the physiologically normal or expected values for the measured parameter."
    },
    {
      "code" : "technical-range",
      "display" : "Technical range",
      "definition" : "The range defines the technical measurement capability of the device — the minimum and maximum values the device can report."
    }
  ]
}