Last updated: June 11, 2026

Reviewed by: Arkangel AI medical coding review team, ICD-10 educational content

Sources
CDC/NCHS ICD-10-CMCMS ICD-10 codes
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Cardiology

Code range: I00-I99

Showing 1427 of 1427 codes
  • I00Rheumatic fever without heart involvement
  • I01.0Acute rheumatic pericarditis
  • I01.1Acute rheumatic endocarditis
  • I01.2Acute rheumatic myocarditis
  • I01.8Other acute rheumatic heart disease
  • I01.9Acute rheumatic heart disease, unspecified
  • I02.0Rheumatic chorea with heart involvement
  • I02.9Rheumatic chorea without heart involvement
  • I05.0Rheumatic mitral stenosis
  • I05.1Rheumatic mitral insufficiency
  • I05.2Rheumatic mitral stenosis with insufficiency
  • I05.8Other rheumatic mitral valve diseases
  • I05.9Rheumatic mitral valve disease, unspecified
  • I06.0Rheumatic aortic stenosis
  • I06.1Rheumatic aortic insufficiency
  • I06.2Rheumatic aortic stenosis with insufficiency
  • I06.8Other rheumatic aortic valve diseases
  • I06.9Rheumatic aortic valve disease, unspecified
  • I07.0Rheumatic tricuspid stenosis
  • I07.1Rheumatic tricuspid insufficiency
  • I07.2Rheumatic tricuspid stenosis and insufficiency
  • I07.8Other rheumatic tricuspid valve diseases
  • I07.9Rheumatic tricuspid valve disease, unspecified
  • I08.0Rheumatic disorders of both mitral and aortic valves
  • I08.1Rheumatic disorders of both mitral and tricuspid valves
  • I08.2Rheumatic disorders of both aortic and tricuspid valves
  • I08.3Combined rheumatic disorders of mitral, aortic and tricuspid valves
  • I08.8Other rheumatic multiple valve diseases
  • I08.9Rheumatic multiple valve disease, unspecified
  • I09.0Rheumatic myocarditis
  • I09.1Rheumatic diseases of endocardium, valve unspecified
  • I09.2Chronic rheumatic pericarditis
  • I09.81Rheumatic heart failure
  • I09.89Other specified rheumatic heart diseases
  • I09.9Rheumatic heart disease, unspecified
  • I10Essential (primary) hypertension
  • I11.0Hypertensive heart disease with heart failure
  • I11.9Hypertensive heart disease without heart failure
  • I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
  • I12.9Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
  • I13.0Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
  • I13.10Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
  • I13.11Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
  • I13.2Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
  • I15.0Renovascular hypertension
  • I15.1Hypertension secondary to other renal disorders
  • I15.2Hypertension secondary to endocrine disorders
  • I15.8Other secondary hypertension
  • I15.9Secondary hypertension, unspecified
  • I16.0Hypertensive urgency
  • I16.1Hypertensive emergency
  • I16.9Hypertensive crisis, unspecified
  • I1A.0Resistant hypertension
  • I20.0Unstable angina
  • I20.1Angina pectoris with documented spasm
  • I20.2Refractory angina pectoris
  • I20.81Angina pectoris with coronary microvascular dysfunction
  • I20.89Other forms of angina pectoris
  • I20.9Angina pectoris, unspecified
  • I21.01ST elevation (STEMI) myocardial infarction involving left main coronary artery
  • I21.02ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery
  • I21.09ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall
  • I21.11ST elevation (STEMI) myocardial infarction involving right coronary artery
  • I21.19ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
  • I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
  • I21.29ST elevation (STEMI) myocardial infarction involving other sites
  • I21.3ST elevation (STEMI) myocardial infarction of unspecified site
  • I21.4Non-ST elevation (NSTEMI) myocardial infarction
  • I21.9Acute myocardial infarction, unspecified
  • I21.A1Myocardial infarction type 2
  • I21.A9Other myocardial infarction type
  • I21.BMyocardial infarction with coronary microvascular dysfunction
  • I22.0Subsequent ST elevation (STEMI) myocardial infarction of anterior wall
  • I22.1Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
  • I22.2Subsequent non-ST elevation (NSTEMI) myocardial infarction
  • I22.8Subsequent ST elevation (STEMI) myocardial infarction of other sites
  • I22.9Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
  • I23.0Hemopericardium as current complication following acute myocardial infarction
  • I23.1Atrial septal defect as current complication following acute myocardial infarction
  • I23.2Ventricular septal defect as current complication following acute myocardial infarction
  • I23.3Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction
  • I23.4Rupture of chordae tendineae as current complication following acute myocardial infarction
  • I23.5Rupture of papillary muscle as current complication following acute myocardial infarction
  • I23.6Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
  • I23.7Postinfarction angina
  • I23.8Other current complications following acute myocardial infarction
  • I24.0Acute coronary thrombosis not resulting in myocardial infarction
  • I24.1Dressler's syndrome
  • I24.81Acute coronary microvascular dysfunction
  • I24.89Other forms of acute ischemic heart disease
  • I24.9Acute ischemic heart disease, unspecified
  • I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris
  • I25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
  • I25.111Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm
  • I25.112Atherosclerotic heart disease of native coronary artery with refractory angina pectoris
  • I25.118Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris
  • I25.119Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
  • I25.2Old myocardial infarction
  • I25.3Aneurysm of heart
  • I25.41Coronary artery aneurysm
Showing first 100 of 1427 codes. Use search to find specific codes.

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