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ICD-10 Clinical Concepts for Cardiology

Cardiology involves diagnosing and managing complex conditions affecting the heart and vascular system. Below is a breakdown of some of the most commonly used ICD-10 codes for cardiology categorized by condition type:

  • Abnormalities of Heart Rhythm

    • I47Paroxysmal tachycardia Non-Billable

    • I47.1Supraventricular tachycardia Non-Billable

    • I47.2Ventricular tachycardia Non-Billable

    • I47.9Paroxysmal tachycardia, unspecified Billable

    • P29.11Neonatal tachycardia Billable

    • P29.12Neonatal bradycardia Billable

    • R00Abnormalities of heart beat Non-Billable

    • R00.0Tachycardia, unspecified Billable

    • R00.1Bradycardia, unspecified Billable

    • R00.2Palpitations Billable

    • R00.8Other abnormalities of heart beat Billable

    • R00.9Unspecified abnormalities of heart beat * Billable

  • Atrial Fibrillation and Flutter

    • I48Atrial fibrillation and flutter Non-Billable

    • I48.0Paroxysmal atrial fibrillation Billable

    • I48.1Persistent atrial fibrillation Non-Billable

    • I48.11Longstanding persistent atrial fibrillation Billable

    • I48.19Other persistent atrial fibrillation Billable

    • I48.2Chronic atrial fibrillation Non-Billable

    • I48.20Chronic atrial fibrillation, unspecified Billable

    • I48.21Permanent atrial fibrillation Billable

    • I48.3Typical atrial flutter Billable

    • I48.4Atypical atrial flutter Billable

    • I48.9Unspecified atrial fibrillation and atrial flutter Non-Billable

    • I48.91Unspecified atrial fibrillation * Billable

    • I48.92Unspecified atrial flutter * Billable

    • I49.0Ventricular fibrillation and flutter Non-Billable

  • Cardiac Arrhythmias (Other)

    • I49.01Ventricular fibrillation Billable

    • I49.02Ventricular flutter Billable

    • I49.1Atrial premature depolarization Billable

    • I49.2Junctional premature depolarization Billable

    • I49.3Ventricular premature depolarization Billable

    • I49.4Other and unspecified premature depolarization Non-Billable

    • I49.40Unspecified premature depolarization Billable

    • I49.49Other premature depolarization Billable

    • I49.5Sick sinus syndrome Billable

    • I49.8Other specified cardiac arrhythmias Billable

    • I49.9Cardiac arrhythmia, unspecified * Billable

  • Chest Pain

    • I20Angina pectoris Non-Billable

    • I20.0Unstable angina Billable

    • I20.1Angina pectoris with documented spasm Billable

    • I20.8Other forms of angina pectoris Non-Billable

    • I20.9Angina pectoris, unspecified Billable

    • I25.11Atherosclerotic heart disease of native coronary artery with angina pectoris Non-Billable

    • I25.7Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris Non-Billable

    • I25.70Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris Non-Billable

    • I25.71Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris Non-Billable

    • I25.72Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris Non-Billable

    • I25.73Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris Non-Billable

    • I25.75Atherosclerosis of native coronary artery of transplanted heart with angina pectoris Non-Billable

    • I25.76Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris Non-Billable

    • I25.79Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris Non-Billable

    • I25.81Atherosclerosis of other coronary vessels without angina pectoris Non-Billable

    • R07.1Chest pain on breathing Billable

    • R07.2Precordial pain Billable

    • R07.8Other chest pain Non-Billable

    • R07.81Pleurodynia Billable

    • R07.82Intercostal pain Billable

    • R07.89Other chest pain Billable

    • R07.9Chest pain, unspecified * Billable

  • Heart Failure

    • I09.81Rheumatic heart failure Billable

    • I11.0Hypertensive heart disease with heart failure Billable

    • I11.9Hypertensive heart disease without heart failure Billable

    • I13.0Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease Billable

    • I13.1Hypertensive heart and chronic kidney disease without heart failure Non-Billable

    • I13.10Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease Billable

    • I13.11Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease Billable

    • I13.2Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease Billable

    • I50Heart failure Non-Billable

    • I50.1Left ventricular failure, unspecified Billable

    • I50.2Systolic (congestive) heart failure Non-Billable

    • I50.20Unspecified systolic (congestive) heart failure * Billable

    • I50.21Acute systolic (congestive) heart failure Billable

    • I50.22Chronic systolic (congestive) heart failure Billable

    • I50.23Acute on chronic systolic (congestive) heart failure Billable

    • I50.3Diastolic (congestive) heart failure Non-Billable

    • I50.30Unspecified diastolic (congestive) heart failure * Billable

    • I50.31Acute diastolic (congestive) heart failure Billable

    • I50.32Chronic diastolic (congestive) heart failure Billable

    • I50.33Acute on chronic diastolic (congestive) heart failure Billable

    • I50.4Combined systolic (congestive) and diastolic (congestive) heart failure Non-Billable

    • I50.40Unspecified combined systolic (congestive) and diastolic (congestive) heart failure * Billable

    • I50.41Acute combined systolic (congestive) and diastolic (congestive) heart failure Billable

    • I50.42Chronic combined systolic (congestive) and diastolic (congestive) heart failure Billable

    • I50.43Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure Billable

    • I50.8Other heart failure Non-Billable

    • I50.81Right heart failure Non-Billable

    • I50.810Right heart failure, unspecified Billable

    • I50.811Acute right heart failure Billable

    • I50.812Chronic right heart failure Billable

    • I50.813Acute on chronic right heart failure Billable

    • I50.814Right heart failure due to left heart failure Billable

    • I50.82Biventricular heart failure Billable

    • I50.83High output heart failure Billable

    • I50.84End stage heart failure Billable

    • I50.89Other heart failure Billable

    • I50.9Heart failure, unspecified * Billable

    • I97.13Postprocedural heart failure Non-Billable

    • I97.130Postprocedural heart failure following cardiac surgery Billable

    • I97.131Postprocedural heart failure following other surgery Billable

  • Hypertension

    • I10Essential (primary) hypertension Billable

    • I27.0Primary pulmonary hypertension Billable

    • I27.2Other secondary pulmonary hypertension Non-Billable

    • I27.20Pulmonary hypertension, unspecified Billable

    • I27.21Secondary pulmonary arterial hypertension Billable

    • I27.22Pulmonary hypertension due to left heart disease Billable

    • I27.23Pulmonary hypertension due to lung diseases and hypoxia Billable

    • I27.24Chronic thromboembolic pulmonary hypertension Billable

    • I27.29Other secondary pulmonary hypertension Billable

    • P29.30Pulmonary hypertension of newborn Billable

  • Nonrheumatic Valve Disorders - Aortic Valve Disorders

    • I35Nonrheumatic aortic valve disorders Non-Billable

    • I35.0Nonrheumatic aortic (valve) stenosis Billable

    • I35.1Nonrheumatic aortic (valve) insufficiency Billable

    • I35.2Nonrheumatic aortic (valve) stenosis with insufficiency Billable

    • I35.8Other nonrheumatic aortic valve disorders Billable

    • I35.9Nonrheumatic aortic valve disorder, unspecified * Billable

  • Nonrheumatic Valve Disorders - Mitral Valve Disorders

    • I34Nonrheumatic mitral valve disorders Non-Billable

    • I34.0Nonrheumatic mitral (valve) insufficiency Billable

    • I34.1Nonrheumatic mitral (valve) prolapse Billable

    • I34.2Nonrheumatic mitral (valve) stenosis Billable

    • I34.8Other nonrheumatic mitral valve disorders Non-Billable

    • I34.9Nonrheumatic mitral valve disorder, unspecified * Billable

  • Selected Atherosclerosis, Ischemia, and Infarction

    • I21.01ST elevation (STEMI) myocardial infarction involving left main coronary artery Billable

    • I21.02ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery Billable

    • I21.09ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall Billable

    • I21.11ST elevation (STEMI) myocardial infarction involving right coronary artery Billable

    • I21.19ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall Billable

    • I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery Billable

    • I21.29ST elevation (STEMI) myocardial infarction involving other sites Billable

    • I21.3ST elevation (STEMI) myocardial infarction of unspecified site Billable

    • I21.4Non-ST elevation (NSTEMI) myocardial infarction Billable

    • I22.0Subsequent ST elevation (STEMI) myocardial infarction of anterior wall Billable

    • I22.1Subsequent ST elevation (STEMI) myocardial infarction of inferior wall Billable

    • I22.2Subsequent non-ST elevation (NSTEMI) myocardial infarction Billable

    • I22.8Subsequent ST elevation (STEMI) myocardial infarction of other sites Billable

    • I22.9Subsequent ST elevation (STEMI) myocardial infarction of unspecified site Billable

    • I23.0Hemopericardium as current complication following acute myocardial infarction Billable

    • I23.1Atrial septal defect as current complication following acute myocardial infarction Billable

    • I23.2Ventricular septal defect as current complication following acute myocardial infarction Billable

    • I23.3Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction Billable

    • I23.4Rupture of chordae tendineae as current complication following acute myocardial infarction Billable

    • I23.5Rupture of papillary muscle as current complication following acute myocardial infarction Billable

    • I23.6Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction Billable

    • I23.7Postinfarction angina Billable

    • I23.8Other current complications following acute myocardial infarction Billable

    • I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris Billable

    • I25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectoris Billable

    • I25.111Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm Billable

    • I25.118Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris Billable

    • I25.119Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris * Billable

    • I25.2Old myocardial infarction Billable

    • I25.3Aneurysm of heart Billable

    • I25.41Coronary artery aneurysm Billable

    • I25.42Coronary artery dissection Billable

    • I25.5Ischemic cardiomyopathy Billable

    • I25.6Silent myocardial ischemia Billable

    • I25.700Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris * Billable

    • I25.701Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasm * Billable

    • I25.708Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectoris * Billable

    • I25.709Atherosclerosis of coronary artery bypass graft(s), unspecified, with unspecified angina pectoris * Billable

    • I25.710Atherosclerosis of autologous vein coronary artery bypass graft(s) with unstable angina pectoris Billable

    • I25.711Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris with documented spasm Billable

    • I25.718Atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectoris Billable

    • I25.719Atherosclerosis of autologous vein coronary artery bypass graft(s) with unspecified angina pectoris * Billable

    • I25.720Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris Billable

    • I25.721Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm Billable

    • I25.728Atherosclerosis of autologous artery coronary artery bypass graft(s) with other forms of angina pectoris Billable

    • I25.729Atherosclerosis of autologous artery coronary artery bypass graft(s) with unspecified angina pectoris * Billable

    • I25.730Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unstable angina pectoris Billable

    • I25.731Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris with documented spasm Billable

    • I25.738Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with other forms of angina pectoris Billable

    • I25.739Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unspecified angina pectoris * Billable

    • I25.750Atherosclerosis of native coronary artery of transplanted heart with unstable angina Billable

    • I25.751Atherosclerosis of native coronary artery of transplanted heart with angina pectoris with documented spasm Billable

    • I25.758Atherosclerosis of native coronary artery of transplanted heart with other forms of angina pectoris Billable

    • I25.759Atherosclerosis of native coronary artery of transplanted heart with unspecified angina pectoris * Billable

    • I25.760Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina Billable

    • I25.761Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris with documented spasm Billable

    • I25.768Atherosclerosis of bypass graft of coronary artery of transplanted heart with other forms of angina pectoris Billable

    • I25.769Atherosclerosis of bypass graft of coronary artery of transplanted heart with unspecified angina pectoris * Billable

    • I25.790Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris Billable

    • I25.791Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris with documented spasm Billable

    • I25.798Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris Billable

    • I25.799Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris * Billable

    • I25.810Atherosclerosis of coronary artery bypass graft(s) without angina pectoris Billable

    • I25.811Atherosclerosis of native coronary artery of transplanted heart without angina pectoris Billable

    • I25.812Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris Billable

    • I25.82Chronic total occlusion of coronary artery Billable

    • I25.83Coronary atherosclerosis due to lipid rich plaque Billable

    • I25.84Coronary atherosclerosis due to calcified coronary lesion Billable

    • I25.89Other forms of chronic ischemic heart disease Billable

    • I25.9Chronic ischemic heart disease, unspecified * Billable

  • Syncope and Collapse

    • R55Syncope and collapse Billable

* Codes with a greater degree of specificity should be considered first.