[
  {
    "phenotype_id": "PH2513",
    "phenotype_version_id": 6110,
    "name": "Codes indicating that an electrocardiogram was done",
    "definition": "This codelist was taken from [OpenCodelists](https://www.opencodelists.org/), created by [OpenSAFELY](https://www.opensafely.org/). We recommend viewing this Phenotype on the OpenCodelist website to view the most recent version.\n\n\nTaken from the `ECG_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3\\.0 (https://www.nationalarchives.gov.uk/doc/open\\-government\\-licence/version/3/).\n\n\n© University of Oxford for the Bennett Institute for Applied Data Science 2025\\. This work may be copied freely for non\\-commercial research and study.\n\n",
    "implementation": null,
    "publications": null,
    "validation": null,
    "citation_requirements": null,
    "created": "2026-01-26T22:20:25.330106Z",
    "author": "NHSD Primary Care Domain Refsets",
    "collections": [
      {
        "name": "OpenCodelist",
        "value": 31
      },
      {
        "name": "Phenotype Library",
        "value": 18
      }
    ],
    "tags": null,
    "organisation": {
      "id": 1,
      "slug": "opensafely",
      "name": "OpenSAFELY"
    },
    "world_access": 1,
    "updated": "2026-01-26T22:20:29.232087Z",
    "references": [],
    "signed_off": [],
    "methodology": "",
    "coding_system": [
      {
        "name": "SNOMED  CT codes",
        "value": 9
      }
    ],
    "open_codelist_id": "nhsd-primary-care-domain-refsets/ecg_cod",
    "source_reference": "https://www.opencodelists.org/codelist/nhsd-primary-care-domain-refsets/ecg_cod/20250912",
    "concept_information": [
      {
        "concept_id": 6287,
        "concept_version_id": 13772,
        "concept_name": "nhsd-primary-care-domain-refsets/ecg_cod/20250912",
        "coding_system": {
          "id": 9,
          "name": "SNOMED  CT codes",
          "description": "SNOMED CT codes"
        },
        "phenotype_id": "PH2513",
        "phenotype_version_id": 6110,
        "phenotype_name": "Codes indicating that an electrocardiogram was done",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "102594003",
            "description": "Electrocardiogram abnormal",
            "attributes": null
          },
          {
            "code": "106067008",
            "description": "Sinus node rhythm",
            "attributes": null
          },
          {
            "code": "1077002",
            "description": "Septal infarction by electrocardiogram",
            "attributes": null
          },
          {
            "code": "111975006",
            "description": "Prolonged QT interval",
            "attributes": null
          },
          {
            "code": "1155004",
            "description": "Myocardial hypertrophy, determined by electrocardiogram",
            "attributes": null
          },
          {
            "code": "1156362006",
            "description": "Electrocardiogram with exercise test using Bruce protocol",
            "attributes": null
          },
          {
            "code": "1204168008",
            "description": "Brugada electrocardiograph pattern",
            "attributes": null
          },
          {
            "code": "1208851000",
            "description": "Provoked Brugada electrocardiograph pattern",
            "attributes": null
          },
          {
            "code": "1208874001",
            "description": "Spontaneous Brugada electrocardiograph pattern",
            "attributes": null
          },
          {
            "code": "1220643007",
            "description": "Regular wide QRS complex tachycardia",
            "attributes": null
          },
          {
            "code": "1259283004",
            "description": "QRS complex dropped",
            "attributes": null
          },
          {
            "code": "142016009",
            "description": "Electrocardiogram improved compared to prior study",
            "attributes": null
          },
          {
            "code": "142018005",
            "description": "Electrocardiogram unchanged compared to prior study",
            "attributes": null
          },
          {
            "code": "164850009",
            "description": "Ambulatory electrocardiogram",
            "attributes": null
          },
          {
            "code": "164851008",
            "description": "Ambulatory electrocardiogram normal",
            "attributes": null
          },
          {
            "code": "164852001",
            "description": "Ambulatory electrocardiogram abnormal",
            "attributes": null
          },
          {
            "code": "164854000",
            "description": "Electrocardiogram normal",
            "attributes": null
          },
          {
            "code": "164861001",
            "description": "Electrocardiographic myocardial ischemia",
            "attributes": null
          },
          {
            "code": "164862008",
            "description": "Electrocardiogram: no myocardial ischemia",
            "attributes": null
          },
          {
            "code": "164865005",
            "description": "Electrocardiographic myocardial infarction",
            "attributes": null
          },
          {
            "code": "164866006",
            "description": "Electrocardiogram: no myocardial infarction",
            "attributes": null
          },
          {
            "code": "164867002",
            "description": "Electrocardiographic old myocardial infarction",
            "attributes": null
          },
          {
            "code": "164868007",
            "description": "Anteroseptal infarction on electrocardiogram",
            "attributes": null
          },
          {
            "code": "164869004",
            "description": "Electrocardiographic posterior/inferior infarct",
            "attributes": null
          },
          {
            "code": "164870003",
            "description": "Electrocardiographic subendocardial infarct",
            "attributes": null
          },
          {
            "code": "164871004",
            "description": "Lateral infarction on electrocardiogram",
            "attributes": null
          },
          {
            "code": "164873001",
            "description": "Electrocardiographic left ventricle hypertrophy",
            "attributes": null
          },
          {
            "code": "164874007",
            "description": "Electrocardiogram: no left ventricle hypertrophy",
            "attributes": null
          },
          {
            "code": "164877000",
            "description": "Electrocardiographic right ventricular hypertrophy",
            "attributes": null
          },
          {
            "code": "164878005",
            "description": "Electrocardiogram: no right ventricle hypertrophy",
            "attributes": null
          },
          {
            "code": "164881000",
            "description": "Electrocardiogram: ectopic beats",
            "attributes": null
          },
          {
            "code": "164882007",
            "description": "Electrocardiogram: no ectopic beats",
            "attributes": null
          },
          {
            "code": "164883002",
            "description": "Electrocardiogram: extrasystole",
            "attributes": null
          },
          {
            "code": "164884008",
            "description": "Electrocardiogram: ventricular ectopics",
            "attributes": null
          },
          {
            "code": "164885009",
            "description": "Electrocardiographic atrial ectopics",
            "attributes": null
          },
          {
            "code": "164887001",
            "description": "Electrocardiographic supraventricular arrhythmia",
            "attributes": null
          },
          {
            "code": "164888006",
            "description": "Supraventricular arrhythmia absent on electrocardiogram",
            "attributes": null
          },
          {
            "code": "164889003",
            "description": "Electrocardiographic atrial fibrillation",
            "attributes": null
          },
          {
            "code": "164890007",
            "description": "Electrocardiographic atrial flutter",
            "attributes": null
          },
          {
            "code": "164891006",
            "description": "Electrocardiogram: paroxysmal atrial tachycardia",
            "attributes": null
          },
          {
            "code": "164893009",
            "description": "Electrocardiographic ventricular arrhythmia",
            "attributes": null
          },
          {
            "code": "164894003",
            "description": "Electrocardiogram: no ventricular arrhythmia",
            "attributes": null
          },
          {
            "code": "164895002",
            "description": "Electrocardiographic ventricular tachycardia",
            "attributes": null
          },
          {
            "code": "164896001",
            "description": "Electrocardiographic ventricular fibrillation",
            "attributes": null
          },
          {
            "code": "164898000",
            "description": "Electrocardiographic heart block",
            "attributes": null
          },
          {
            "code": "164899008",
            "description": "Electrocardiogram: no heart block",
            "attributes": null
          },
          {
            "code": "164900003",
            "description": "Electrocardiogram: partial sinoatrial block",
            "attributes": null
          },
          {
            "code": "164901004",
            "description": "Electrocardiographic complete sinoatrial block",
            "attributes": null
          },
          {
            "code": "164902006",
            "description": "Electrocardiogram: partial atrioventricular block - long PR",
            "attributes": null
          },
          {
            "code": "164903001",
            "description": "Electrocardiogram: partial atrioventricular block - 2:1",
            "attributes": null
          },
          {
            "code": "164904007",
            "description": "Electrocardiogram: partial atrioventricular block - 3:1",
            "attributes": null
          },
          {
            "code": "164905008",
            "description": "Mobitz type I second degree atrioventricular block on electrocardiogram",
            "attributes": null
          },
          {
            "code": "164906009",
            "description": "Electrocardiographic complete atrioventricular block",
            "attributes": null
          },
          {
            "code": "164907000",
            "description": "Electrocardiographic right bundle branch block",
            "attributes": null
          },
          {
            "code": "164909002",
            "description": "Electrocardiographic left bundle branch block",
            "attributes": null
          },
          {
            "code": "164911006",
            "description": "Electrocardiographic P wave normal",
            "attributes": null
          },
          {
            "code": "164912004",
            "description": "Electrocardiographic P wave abnormal",
            "attributes": null
          },
          {
            "code": "164913009",
            "description": "P mitrale",
            "attributes": null
          },
          {
            "code": "164914003",
            "description": "P pulmonale",
            "attributes": null
          },
          {
            "code": "164916001",
            "description": "Electrocardiogram: Q wave normal",
            "attributes": null
          },
          {
            "code": "164917005",
            "description": "Electrocardiographic Q wave abnormal",
            "attributes": null
          },
          {
            "code": "164918000",
            "description": "Pathological Q wave",
            "attributes": null
          },
          {
            "code": "164920002",
            "description": "Electrocardiogram: R wave normal",
            "attributes": null
          },
          {
            "code": "164921003",
            "description": "Electrocardiographic R wave abnormal",
            "attributes": null
          },
          {
            "code": "164922005",
            "description": "Tall R wave",
            "attributes": null
          },
          {
            "code": "164924006",
            "description": "Electrocardiogram: S wave normal",
            "attributes": null
          },
          {
            "code": "164925007",
            "description": "Electrocardiographic S wave abnormal",
            "attributes": null
          },
          {
            "code": "164926008",
            "description": "Deep S wave",
            "attributes": null
          },
          {
            "code": "164929001",
            "description": "Electrocardiogram: ST interval normal",
            "attributes": null
          },
          {
            "code": "164930006",
            "description": "Electrocardiographic ST interval abnormal",
            "attributes": null
          },
          {
            "code": "164933008",
            "description": "Electrocardiogram: T wave normal",
            "attributes": null
          },
          {
            "code": "164934002",
            "description": "Electrocardiographic T wave abnormal",
            "attributes": null
          },
          {
            "code": "164936000",
            "description": "Electrocardiogram: U wave normal",
            "attributes": null
          },
          {
            "code": "164937009",
            "description": "Electrocardiographic U wave abnormal",
            "attributes": null
          },
          {
            "code": "164938004",
            "description": "Electrocardiogram: U wave exaggerated",
            "attributes": null
          },
          {
            "code": "164941008",
            "description": "Electrocardiogram: F wave absent",
            "attributes": null
          },
          {
            "code": "164942001",
            "description": "Electrocardiogram: F wave present",
            "attributes": null
          },
          {
            "code": "164945004",
            "description": "Electrocardiogram: P-R interval normal",
            "attributes": null
          },
          {
            "code": "164946003",
            "description": "Electrocardiographic P-R interval abnormal",
            "attributes": null
          },
          {
            "code": "164947007",
            "description": "Prolonged PR interval",
            "attributes": null
          },
          {
            "code": "164950005",
            "description": "Electrocardiogram: QRS complex normal",
            "attributes": null
          },
          {
            "code": "164951009",
            "description": "Electrocardiographic QRS complex abnormal",
            "attributes": null
          },
          {
            "code": "164955000",
            "description": "Electrocardiogram: Q-T interval normal",
            "attributes": null
          },
          {
            "code": "164956004",
            "description": "Electrocardiogram: Q-T interval abnormal",
            "attributes": null
          },
          {
            "code": "195101003",
            "description": "Wandering atrial pacemaker",
            "attributes": null
          },
          {
            "code": "20329001",
            "description": "Low ventricular voltage by electrocardiogram",
            "attributes": null
          },
          {
            "code": "2398007",
            "description": "Quinidine toxicity by electrocardiogram",
            "attributes": null
          },
          {
            "code": "242901000000100",
            "description": "Electrocardiogram shows electrical capture following temporary pacing",
            "attributes": null
          },
          {
            "code": "242911000000103",
            "description": "Electrocardiogram shows paced rhythm with electrical capture",
            "attributes": null
          },
          {
            "code": "251116002",
            "description": "Type A Wolff-Parkinson-White pattern",
            "attributes": null
          },
          {
            "code": "251117006",
            "description": "Type B Wolff-Parkinson-White pattern",
            "attributes": null
          },
          {
            "code": "251118001",
            "description": "Lown-Ganong-Levine pattern",
            "attributes": null
          },
          {
            "code": "251126009",
            "description": "rSr pattern in V1 and V2",
            "attributes": null
          },
          {
            "code": "251135002",
            "description": "Borderline normal electrocardiogram",
            "attributes": null
          },
          {
            "code": "251136001",
            "description": "Borderline abnormal electrocardiogram",
            "attributes": null
          },
          {
            "code": "251137005",
            "description": "Digitalis electrocardiogram pattern",
            "attributes": null
          },
          {
            "code": "251138000",
            "description": "Inadequate electrocardiogram tracing",
            "attributes": null
          },
          {
            "code": "251139008",
            "description": "Suspect arm electrocardiogram leads reversed",
            "attributes": null
          },
          {
            "code": "251140005",
            "description": "Poor electrocardiogram quality",
            "attributes": null
          },
          {
            "code": "251142002",
            "description": "Noisy electrocardiogram recording",
            "attributes": null
          },
          {
            "code": "251143007",
            "description": "Electrocardiogram artifact",
            "attributes": null
          },
          {
            "code": "251144001",
            "description": "Postoperative electrocardiogram changes",
            "attributes": null
          },
          {
            "code": "251146004",
            "description": "Low QRS voltages",
            "attributes": null
          },
          {
            "code": "251147008",
            "description": "Low QRS voltages in the limb leads",
            "attributes": null
          },
          {
            "code": "251148003",
            "description": "Low QRS voltages in the precordial leads",
            "attributes": null
          },
          {
            "code": "251150006",
            "description": "Sinus rhythm",
            "attributes": null
          },
          {
            "code": "251193006",
            "description": "P wave left axis deviation",
            "attributes": null
          },
          {
            "code": "251194000",
            "description": "P wave right axis deviation",
            "attributes": null
          },
          {
            "code": "251195004",
            "description": "P wave axis superior",
            "attributes": null
          },
          {
            "code": "251197007",
            "description": "Superior axis",
            "attributes": null
          },
          {
            "code": "251198002",
            "description": "Clockwise cardiac rotation",
            "attributes": null
          },
          {
            "code": "251199005",
            "description": "Counterclockwise cardiac rotation",
            "attributes": null
          },
          {
            "code": "251200008",
            "description": "Indeterminate cardiac axis",
            "attributes": null
          },
          {
            "code": "251205003",
            "description": "Prolonged P wave",
            "attributes": null
          },
          {
            "code": "251206002",
            "description": "Shortened P wave",
            "attributes": null
          },
          {
            "code": "251209009",
            "description": "Shortened ST segment",
            "attributes": null
          },
          {
            "code": "251211000",
            "description": "Prolonged T wave",
            "attributes": null
          },
          {
            "code": "251212007",
            "description": "Shortened T wave",
            "attributes": null
          },
          {
            "code": "251214008",
            "description": "Prolonged TU interval",
            "attributes": null
          },
          {
            "code": "251215009",
            "description": "Shortened TU interval",
            "attributes": null
          },
          {
            "code": "251217001",
            "description": "Prolonged U wave",
            "attributes": null
          },
          {
            "code": "251218006",
            "description": "Shortened U wave",
            "attributes": null
          },
          {
            "code": "251221008",
            "description": "Inverted P wave",
            "attributes": null
          },
          {
            "code": "251222001",
            "description": "Flattened P wave",
            "attributes": null
          },
          {
            "code": "251223006",
            "description": "Tall P wave",
            "attributes": null
          },
          {
            "code": "251225004",
            "description": "Q wave height increased",
            "attributes": null
          },
          {
            "code": "251226003",
            "description": "Q wave height decreased",
            "attributes": null
          },
          {
            "code": "251228002",
            "description": "R wave height increased",
            "attributes": null
          },
          {
            "code": "251229005",
            "description": "R wave height decreased",
            "attributes": null
          },
          {
            "code": "251231001",
            "description": "S wave height increased",
            "attributes": null
          },
          {
            "code": "251232008",
            "description": "S wave height decreased",
            "attributes": null
          },
          {
            "code": "251234009",
            "description": "QRS complex height increased",
            "attributes": null
          },
          {
            "code": "251235005",
            "description": "QRS complex height decreased",
            "attributes": null
          },
          {
            "code": "251237002",
            "description": "Tall T wave",
            "attributes": null
          },
          {
            "code": "251238007",
            "description": "Tall tented T wave",
            "attributes": null
          },
          {
            "code": "251240002",
            "description": "Inverted U wave",
            "attributes": null
          },
          {
            "code": "251241003",
            "description": "Flattened U wave",
            "attributes": null
          },
          {
            "code": "251242005",
            "description": "Tall U wave",
            "attributes": null
          },
          {
            "code": "251244006",
            "description": "PR elevation",
            "attributes": null
          },
          {
            "code": "251245007",
            "description": "PR depression",
            "attributes": null
          },
          {
            "code": "251248009",
            "description": "Bifid P wave",
            "attributes": null
          },
          {
            "code": "251255006",
            "description": "Sloping PR interval",
            "attributes": null
          },
          {
            "code": "251256007",
            "description": "Sloping ST segment",
            "attributes": null
          },
          {
            "code": "251257003",
            "description": "Reverse tick ST segment",
            "attributes": null
          },
          {
            "code": "251258008",
            "description": "Bifid T wave",
            "attributes": null
          },
          {
            "code": "251259000",
            "description": "High T-voltage",
            "attributes": null
          },
          {
            "code": "251260005",
            "description": "TU elevation",
            "attributes": null
          },
          {
            "code": "251261009",
            "description": "TU depression",
            "attributes": null
          },
          {
            "code": "251262002",
            "description": "Flat U wave",
            "attributes": null
          },
          {
            "code": "251263007",
            "description": "Low U wave",
            "attributes": null
          },
          {
            "code": "251264001",
            "description": "Bifid U wave",
            "attributes": null
          },
          {
            "code": "251266004",
            "description": "Ventricular pacing pattern",
            "attributes": null
          },
          {
            "code": "251267008",
            "description": "Atrio-ventricular sequential pacing pattern",
            "attributes": null
          },
          {
            "code": "251268003",
            "description": "Atrial pacing pattern",
            "attributes": null
          },
          {
            "code": "251269006",
            "description": "Ineffective cardiac pacemaker pattern",
            "attributes": null
          },
          {
            "code": "251274003",
            "description": "Stress electrocardiogram equivocal",
            "attributes": null
          },
          {
            "code": "252417001",
            "description": "24 Hour electrocardiogram",
            "attributes": null
          },
          {
            "code": "25488008",
            "description": "Left ventricular hypertrophy by electrocardiogram",
            "attributes": null
          },
          {
            "code": "26141007",
            "description": "ST segment depression",
            "attributes": null
          },
          {
            "code": "268400002",
            "description": "12 lead electrocardiogram",
            "attributes": null
          },
          {
            "code": "276309009",
            "description": "Juvenile electrocardiogram pattern",
            "attributes": null
          },
          {
            "code": "27649004",
            "description": "Left ventricular ST changes",
            "attributes": null
          },
          {
            "code": "28630001",
            "description": "Narrow QRS complex",
            "attributes": null
          },
          {
            "code": "29489007",
            "description": "Electrocardiographic axis perpendicular to frontal plane",
            "attributes": null
          },
          {
            "code": "297481000000105",
            "description": "Electrocardiogram shows junctional premature complex",
            "attributes": null
          },
          {
            "code": "297501000000101",
            "description": "Electrocardiogram shows paroxysmal supraventricular tachycardia",
            "attributes": null
          },
          {
            "code": "297531000000107",
            "description": "Electrocardiogram shows ventricular bigeminy",
            "attributes": null
          },
          {
            "code": "297551000000100",
            "description": "Electrocardiogram shows ventricular trigeminy",
            "attributes": null
          },
          {
            "code": "32775005",
            "description": "Indeterminate axis by electrocardiogram",
            "attributes": null
          },
          {
            "code": "35161000087102",
            "description": "14 day ambulatory electrocardiographic monitoring",
            "attributes": null
          },
          {
            "code": "35171000087106",
            "description": "7 day ambulatory electrocardiographic monitoring",
            "attributes": null
          },
          {
            "code": "370359005",
            "description": "Electrocardiogram equivocal",
            "attributes": null
          },
          {
            "code": "370365005",
            "description": "Electrocardiographic left ventricular strain",
            "attributes": null
          },
          {
            "code": "38531000",
            "description": "Diminished left ventricle forces by electrocardiogram",
            "attributes": null
          },
          {
            "code": "39732003",
            "description": "Left axis deviation",
            "attributes": null
          },
          {
            "code": "398002",
            "description": "Left axis deviation greater than -90 degrees by electrocardiogram",
            "attributes": null
          },
          {
            "code": "399373003",
            "description": "T wave changes only",
            "attributes": null
          },
          {
            "code": "423175003",
            "description": "Normal sinus arrhythmia",
            "attributes": null
          },
          {
            "code": "423863005",
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