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ALL MEDICAL CODES IN CATEGORY Other forms of heart disease (I30-I5A)

2025 ICD-10-CM code I40.9

Acute myocarditis, unspecified.

2025 ICD-10-CM code I50.41

Acute combined systolic and diastolic (congestive) heart failure.

2025 ICD-10-CM code I50.33

Acute on chronic diastolic (congestive) heart failure.

2025 ICD-10-CM code I51.81

Takotsubo cardiomyopathy, also known as broken heart syndrome, is a temporary weakening of the heart muscle triggered by significant emotional or physical stress.

2025 ICD-10-CM code I45.2

Bifascicular block is a heart conduction defect affecting two of the three main fascicles below the atrioventricular node.

2025 ICD-10-CM code I44.7

Left bundle-branch block, unspecified.

2025 ICD-10-CM code I50.83

High-output heart failure is a rare condition where the heart pumps a normal or even increased amount of blood, but it's insufficient to meet the body's demands.

2025 ICD-10-CM code I45.3

Trifascicular block is a type of heart block affecting the heart's electrical conduction system, specifically the three fascicles of the bundle branches that carry electrical signals from the atrioventricular node to the ventricles.

2025 ICD-10-CM code I49.8

Other specified cardiac arrhythmias.

2025 ICD-10-CM code I40

Acute myocarditis. Includes: subacute myocarditis.Excludes1: acute rheumatic myocarditis (I01.2)

2025 ICD-10-CM code I31.3

Pericardial effusion (noninflammatory).This code excludes acute pericardial effusion (I30.9).

2025 ICD-10-CM code I52

Other heart disorders in diseases classified elsewhere. This code is used to document heart disorders that occur as a result of another underlying disease.

2025 ICD-10-CM code I42.1

Obstructive hypertrophic cardiomyopathy. Hypertrophic subaortic stenosis (idiopathic).

2025 ICD-10-CM code I43

Cardiomyopathy in diseases classified elsewhere. Code first the underlying disease.

2025 ICD-10-CM code I51.4

Myocarditis, unspecified.

2025 ICD-10-CM code I45.5

Other specified heart block; this includes sinoatrial and sinoauricular blocks.

2025 ICD-10-CM code I44.60

Unspecified fascicular block; also known as left bundle-branch hemiblock, not otherwise specified (NOS).

2025 ICD-10-CM code I44.69

Other fascicular block is a type of heart block affecting the conduction pathways of the heart.

2025 ICD-10-CM code I35.1

Nonrheumatic aortic valve insufficiency.

2025 ICD-10-CM code I44.30

Unspecified atrioventricular block.

2025 ICD-10-CM code I50.43

Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure.

2025 ICD-10-CM code I49.3

Ventricular premature depolarization is an irregular heartbeat originating from the ventricles.

2025 ICD-10-CM code I50.31

Acute diastolic (congestive) heart failure.

2025 ICD-10-CM code I49.5

Sick sinus syndrome (SSS), including tachycardia-bradycardia syndrome, characterized by irregular heartbeats due to dysfunction of the sinus node.

2025 ICD-10-CM code I48.19

Other persistent atrial fibrillation.

2025 ICD-10-CM code I37.0

Nonrheumatic pulmonary valve stenosis.

2025 ICD-10-CM code I38

Endocarditis, valve unspecified. Includes: endocarditis (chronic) NOS, valvular incompetence NOS, valvular insufficiency NOS, valvular regurgitation NOS, valvular stenosis NOS, valvulitis (chronic) NOS. Excludes1: congenital insufficiency of cardiac valve NOS (Q24.8), congenital stenosis of cardiac valve NOS (Q24.8), endocardial fibroelastosis (I42.4), endocarditis specified as rheumatic (I09.1)

2025 ICD-10-CM code I36.2

Nonrheumatic tricuspid (valve) stenosis with insufficiency.

2025 ICD-10-CM code I42.2

Other hypertrophic cardiomyopathy. This includes nonobstructive hypertrophic cardiomyopathy.

2025 ICD-10-CM code I33

Acute and subacute endocarditis

2025 ICD-10-CM code I44.5

Left posterior fascicular block

2025 ICD-10-CM code I51.1

Rupture of chordae tendineae, not elsewhere classified.

2025 ICD-10-CM code I50.9

Heart failure, unspecified.

2025 ICD-10-CM code I31.31

Malignant pericardial effusion in diseases classified elsewhere. Code first the underlying neoplasm (C00-D49).

2025 ICD-10-CM code I44.4

Left anterior fascicular block.

2025 ICD-10-CM code I44.39

Other atrioventricular block

2025 ICD-10-CM code I50.30

Unspecified diastolic (congestive) heart failure.

2025 ICD-10-CM code I50.42

Chronic combined systolic (congestive) and diastolic (congestive) heart failure.

2025 ICD-10-CM code I49.01

Ventricular fibrillation is a life-threatening heart rhythm characterized by rapid, uncoordinated contractions of the ventricles.

2025 ICD-10-CM code I48.0

Paroxysmal atrial fibrillation. This refers to sudden and episodic bouts of atrial fibrillation where symptoms come and go, usually lasting for a few minutes to hours, sometimes up to a week, and episodes can happen repeatedly.

2025 ICD-10-CM code I31.4

Cardiac tamponade. Code first underlying cause.

2025 ICD-10-CM code I50.2

Systolic (congestive) heart failure, also known as heart failure with reduced ejection fraction (HFrEF).This condition involves the heart's inability to pump blood effectively.

2025 ICD-10-CM code I45.8

This code refers to a heart condition where the electrical signals that control the heartbeat are not functioning normally. This is different from more common conditions like right bundle branch block or bifascicular block.

2025 ICD-10-CM code I48.9

Unspecified atrial fibrillation and atrial flutter.

2025 ICD-10-CM code I33.9

Acute and subacute endocarditis, unspecified.

2025 ICD-10-CM code I34.81

Nonrheumatic mitral (valve) annulus calcification. Mitral (valve) annulus calcification NOS.

2025 ICD-10-CM code I46.2

Cardiac arrest due to underlying cardiac condition. Code first underlying cardiac condition.

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