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  4. Section I30-I5A
Section I30-I5A

Other forms of heart disease

Clinical Classification Guidelines

Subordinate Categories

Acute pericarditis
I30
Other diseases of pericardium
I31
Pericarditis in diseases classified elsewhere
I32
Acute and subacute endocarditis
I33
Nonrheumatic mitral valve disorders
I34
Nonrheumatic aortic valve disorders
I35
Nonrheumatic tricuspid valve disorders
I36
Nonrheumatic pulmonary valve disorders
I37
Endocarditis, valve unspecified
I38
Endocarditis and heart valve disorders in diseases classified elsewhere
I39
Acute myocarditis
I40
Myocarditis in diseases classified elsewhere
I41
Cardiomyopathy
I42
Cardiomyopathy in diseases classified elsewhere
I43
Atrioventricular and left bundle-branch block
I44
Other conduction disorders
I45
Cardiac arrest
I46
Paroxysmal tachycardia
I47
Atrial fibrillation and flutter
I48
Other cardiac arrhythmias
I49
Heart failure
I50
Complications and ill-defined descriptions of heart disease
I51
Other heart disorders in diseases classified elsewhere
I52
Non-ischemic myocardial injury (non-traumatic)
I5A
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Data updated for October 2025 release.

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