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

• Narrative Content
• XML
• JSON
• TTL

: ECG Lead Codes

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{
  "resourceType" : "CodeSystem",
  "id" : "ecg-lead-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-lead-codes</b></p><a name=\"ecg-lead-codes\"> </a><a name=\"hcecg-lead-codes\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/phr/CodeSystem/ecg-lead-codes</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td></tr><tr><td style=\"white-space:nowrap\">appleWatchSimilarToLeadI<a name=\"ecg-lead-codes-appleWatchSimilarToLeadI\"> </a></td></tr><tr><td style=\"white-space:nowrap\">I<a name=\"ecg-lead-codes-I\"> </a></td></tr><tr><td style=\"white-space:nowrap\">II<a name=\"ecg-lead-codes-II\"> </a></td></tr><tr><td style=\"white-space:nowrap\">III<a name=\"ecg-lead-codes-III\"> </a></td></tr><tr><td style=\"white-space:nowrap\">aVR<a name=\"ecg-lead-codes-aVR\"> </a></td></tr><tr><td style=\"white-space:nowrap\">aVL<a name=\"ecg-lead-codes-aVL\"> </a></td></tr><tr><td style=\"white-space:nowrap\">aVF<a name=\"ecg-lead-codes-aVF\"> </a></td></tr><tr><td style=\"white-space:nowrap\">V1<a name=\"ecg-lead-codes-V1\"> </a></td></tr><tr><td style=\"white-space:nowrap\">V2<a name=\"ecg-lead-codes-V2\"> </a></td></tr><tr><td style=\"white-space:nowrap\">V3<a name=\"ecg-lead-codes-V3\"> </a></td></tr><tr><td style=\"white-space:nowrap\">V4<a name=\"ecg-lead-codes-V4\"> </a></td></tr><tr><td style=\"white-space:nowrap\">V5<a name=\"ecg-lead-codes-V5\"> </a></td></tr><tr><td style=\"white-space:nowrap\">V6<a name=\"ecg-lead-codes-V6\"> </a></td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "pe"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 1,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/phr/ImplementationGuide/hl7.fhir.uv.phr"
          }
        ]
      }
    },
    {
      "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/phr/ImplementationGuide/hl7.fhir.uv.phr"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/phr/CodeSystem/ecg-lead-codes",
  "version" : "1.0.0-ballot2",
  "name" : "EcgLead",
  "title" : "ECG Lead Codes",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-12-27T21:39:37+00:00",
  "publisher" : "HL7 International / Patient Empowerment",
  "contact" : [
    {
      "name" : "HL7 International / Patient Empowerment",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/patientempowerment"
        }
      ]
    }
  ],
  "description" : "Codes for ECG induction",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "compositional" : false,
  "content" : "complete",
  "count" : 13,
  "concept" : [
    {
      "code" : "appleWatchSimilarToLeadI",
      "display" : "appleWatchSimilarToLeadI"
    },
    {
      "code" : "I",
      "display" : "I"
    },
    {
      "code" : "II",
      "display" : "II"
    },
    {
      "code" : "III",
      "display" : "III"
    },
    {
      "code" : "aVR",
      "display" : "aVR"
    },
    {
      "code" : "aVL",
      "display" : "aVL"
    },
    {
      "code" : "aVF",
      "display" : "aVF"
    },
    {
      "code" : "V1",
      "display" : "V1"
    },
    {
      "code" : "V2",
      "display" : "V2"
    },
    {
      "code" : "V3",
      "display" : "V3"
    },
    {
      "code" : "V4",
      "display" : "V4"
    },
    {
      "code" : "V5",
      "display" : "V5"
    },
    {
      "code" : "V6",
      "display" : "V6"
    }
  ]
}