Personal Health Records, published by HL7 International / Patient Empowerment. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/personal-health-record-format-ig/ and changes regularly. See the Directory of published versions

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: ECG Classification Codes

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{
  "resourceType" : "CodeSystem",
  "id" : "ecg-classification-codes",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem ecg-classification-codes</b></p><a name=\"ecg-classification-codes\"> </a><a name=\"hcecg-classification-codes\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/phr/CodeSystem/ecg-classification-codes</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\">sinusRhythm<a name=\"ecg-classification-codes-sinusRhythm\"> </a></td><td>Sinus rhythm</td><td>The sample exhibits no signs of atrial fibrillation.</td></tr><tr><td style=\"white-space:nowrap\">atrialFibrillation<a name=\"ecg-classification-codes-atrialFibrillation\"> </a></td><td>Atrial fibrillation</td><td>The sample exhibits signs of atrial fibrillation.</td></tr><tr><td style=\"white-space:nowrap\">inconclusiveHighHeartRate<a name=\"ecg-classification-codes-inconclusiveHighHeartRate\"> </a></td><td>Inconclusive high heart rate</td><td>An unclassifiable sample caused by a rapid heart rate.</td></tr><tr><td style=\"white-space:nowrap\">inconclusiveLowHeartRate<a name=\"ecg-classification-codes-inconclusiveLowHeartRate\"> </a></td><td>Inconclusive low heartrate</td><td>An unclassifiable sample caused by a heart rate below 50 bpm.</td></tr><tr><td style=\"white-space:nowrap\">inconclusivePoorReading<a name=\"ecg-classification-codes-inconclusivePoorReading\"> </a></td><td>Inconclusive poor reading</td><td>An unclassifiable sample caused by an unclear signal.</td></tr><tr><td style=\"white-space:nowrap\">inconclusiveOther<a name=\"ecg-classification-codes-inconclusiveOther\"> </a></td><td>Inconclusive other</td><td>An unclassifiable sample caused by an unknown issue.</td></tr><tr><td style=\"white-space:nowrap\">unrecognized<a name=\"ecg-classification-codes-unrecognized\"> </a></td><td>Unrecognized</td><td>A sample classification that this version of HealthKit doesn’t recognize.</td></tr><tr><td style=\"white-space:nowrap\">notSet<a name=\"ecg-classification-codes-notSet\"> </a></td><td>Not set</td><td>A sample that doesn’t have an assigned classification.</td></tr></table></div>"
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  ],
  "url" : "http://hl7.org/fhir/uv/phr/CodeSystem/ecg-classification-codes",
  "version" : "1.0.0-ballot2",
  "name" : "EcgClassification",
  "title" : "ECG Classification Codes",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-12-27T21:39:37+00:00",
  "publisher" : "HL7 International / Patient Empowerment",
  "contact" : [
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      "name" : "HL7 International / Patient Empowerment",
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          "value" : "http://www.hl7.org/Special/committees/patientempowerment"
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  ],
  "description" : "Codes for classification of ECG waveforms",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "compositional" : false,
  "content" : "complete",
  "count" : 8,
  "concept" : [
    {
      "code" : "sinusRhythm",
      "display" : "Sinus rhythm",
      "definition" : "The sample exhibits no signs of atrial fibrillation."
    },
    {
      "code" : "atrialFibrillation",
      "display" : "Atrial fibrillation",
      "definition" : "The sample exhibits signs of atrial fibrillation."
    },
    {
      "code" : "inconclusiveHighHeartRate",
      "display" : "Inconclusive high heart rate",
      "definition" : "An unclassifiable sample caused by a rapid heart rate."
    },
    {
      "code" : "inconclusiveLowHeartRate",
      "display" : "Inconclusive low heartrate",
      "definition" : "An unclassifiable sample caused by a heart rate below 50 bpm."
    },
    {
      "code" : "inconclusivePoorReading",
      "display" : "Inconclusive poor reading",
      "definition" : "An unclassifiable sample caused by an unclear signal."
    },
    {
      "code" : "inconclusiveOther",
      "display" : "Inconclusive other",
      "definition" : "An unclassifiable sample caused by an unknown issue."
    },
    {
      "code" : "unrecognized",
      "display" : "Unrecognized",
      "definition" : "A sample classification that this version of HealthKit doesn’t recognize."
    },
    {
      "code" : "notSet",
      "display" : "Not set",
      "definition" : "A sample that doesn’t have an assigned classification."
    }
  ]
}