| I310 | Chronic adhesive pericarditis |
| I311 | Chronic constrictive pericarditis |
| I312 | Hemopericardium, not elsewhere classified |
| I313 | Pericardial effusion (noninflammatory) |
| I3131 | Malignant pericardial effusion in diseases classified elsewhere |
| I3139 | Other pericardial effusion (noninflammatory) |
| I314 | Cardiac tamponade |
| I318 | Other specified diseases of pericardium |
| I319 | Disease of pericardium, unspecified |
| I32 | Pericarditis in diseases classified elsewhere |
| I33 | Acute and subacute endocarditis |
| I330 | Acute and subacute infective endocarditis |
| I339 | Acute and subacute endocarditis, unspecified |
| I34 | Nonrheumatic mitral valve disorders |
| I340 | Nonrheumatic mitral (valve) insufficiency |
| I341 | Nonrheumatic mitral (valve) prolapse |
| I342 | Nonrheumatic mitral (valve) stenosis |
| I348 | Other nonrheumatic mitral valve disorders |
| I3481 | Nonrheumatic mitral (valve) annulus calcification |
| I3489 | Other nonrheumatic mitral valve disorders |
| I349 | Nonrheumatic mitral valve disorder, unspecified |
| I35 | Nonrheumatic aortic valve disorders |
| I350 | Nonrheumatic aortic (valve) stenosis |
| I351 | Nonrheumatic aortic (valve) insufficiency |
| I352 | Nonrheumatic aortic (valve) stenosis with insufficiency |
| I358 | Other nonrheumatic aortic valve disorders |
| I359 | Nonrheumatic aortic valve disorder, unspecified |
| I36 | Nonrheumatic tricuspid valve disorders |
| I360 | Nonrheumatic tricuspid (valve) stenosis |
| I361 | Nonrheumatic tricuspid (valve) insufficiency |
| I362 | Nonrheumatic tricuspid (valve) stenosis with insufficiency |
| I368 | Other nonrheumatic tricuspid valve disorders |
| I369 | Nonrheumatic tricuspid valve disorder, unspecified |
| I37 | Nonrheumatic pulmonary valve disorders |
| I370 | Nonrheumatic pulmonary valve stenosis |
| I371 | Nonrheumatic pulmonary valve insufficiency |
| I372 | Nonrheumatic pulmonary valve stenosis with insufficiency |
| I378 | Other nonrheumatic pulmonary valve disorders |
| I379 | Nonrheumatic pulmonary valve disorder, unspecified |
| I38 | Endocarditis, valve unspecified |
| I39 | Endocarditis and heart valve disorders in diseases classified elsewhere |
| I40 | Acute myocarditis |
| I400 | Infective myocarditis |
| I401 | Isolated myocarditis |
| I408 | Other acute myocarditis |
| I409 | Acute myocarditis, unspecified |
| I41 | Myocarditis in diseases classified elsewhere |
| I42 | Cardiomyopathy |
| I420 | Dilated cardiomyopathy |
| I421 | Obstructive hypertrophic cardiomyopathy |