I30-I5ANot billable, use a more specific code below
Other forms of heart disease (I30-I5A)
chapter 9: Diseases of the Circulatory System
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers hypertension with heart and kidney disease, coronary artery disease with angina, perioperative stroke, cerebrovascular sequelae, and acute myocardial infarction types and timing.
- Hypertension (page 50)
- Atherosclerotic Coronary Artery Disease and Angina (page 52)
- Intraoperative and Postprocedural Cerebrovascular Accident (page 53)
- Sequelae of Cerebrovascular Disease (page 53)
- Acute myocardial infarction (AMI) (page 54)
All codes under I30-I5A
I30-I5A can't be used on a claim. Pick a billable code below; grey headings group them.
- I30Acute pericarditis
- I30.0Acute nonspecific idiopathic pericarditis
- I30.1Infective pericarditis
- I30.8Other forms of acute pericarditis
- I30.9Acute pericarditis, unspecified
- I31Other diseases of pericardium
- I31.0Chronic adhesive pericarditis
- I31.1Chronic constrictive pericarditis
- I31.2Hemopericardium, not elsewhere classified
- I31.3Pericardial effusion (noninflammatory)
- I31.31Malignant pericardial effusion in diseases classified elsewhere
- I31.39Other pericardial effusion (noninflammatory)
- I31.4Cardiac tamponade
- I31.8Other specified diseases of pericardium
- I31.9Disease of pericardium, unspecified
- I32Pericarditis in diseases classified elsewhere
- I33Acute and subacute endocarditis
- I33.0Acute and subacute infective endocarditis
- I33.9Acute and subacute endocarditis, unspecified
- I34Nonrheumatic mitral valve disorders
- I34.0Nonrheumatic mitral (valve) insufficiency
- I34.1Nonrheumatic mitral (valve) prolapse
- I34.2Nonrheumatic mitral (valve) stenosis
- I34.8Other nonrheumatic mitral valve disorders
- I34.81Nonrheumatic mitral (valve) annulus calcification
- I34.89Other nonrheumatic mitral valve disorders
- I34.9Nonrheumatic mitral valve disorder, unspecified
- I35Nonrheumatic aortic valve disorders
- I35.0Nonrheumatic aortic (valve) stenosis
- I35.1Nonrheumatic aortic (valve) insufficiency
- I35.2Nonrheumatic aortic (valve) stenosis with insufficiency
- I35.8Other nonrheumatic aortic valve disorders
- I35.9Nonrheumatic aortic valve disorder, unspecified
- I36Nonrheumatic tricuspid valve disorders
- I36.0Nonrheumatic tricuspid (valve) stenosis
- I36.1Nonrheumatic tricuspid (valve) insufficiency
- I36.2Nonrheumatic tricuspid (valve) stenosis with insufficiency
- I36.8Other nonrheumatic tricuspid valve disorders
- I36.9Nonrheumatic tricuspid valve disorder, unspecified
- I37Nonrheumatic pulmonary valve disorders
- I37.0Nonrheumatic pulmonary valve stenosis
- I37.1Nonrheumatic pulmonary valve insufficiency
- I37.2Nonrheumatic pulmonary valve stenosis with insufficiency
- I37.8Other nonrheumatic pulmonary valve disorders
- I37.9Nonrheumatic pulmonary valve disorder, unspecified
- I38Endocarditis, valve unspecified
- I39Endocarditis and heart valve disorders in diseases classified elsewhere
- I40Acute myocarditis
- I40.0Infective myocarditis
- I40.1Isolated myocarditis
- I40.8Other acute myocarditis
- I40.9Acute myocarditis, unspecified
- I41Myocarditis in diseases classified elsewhere
- I42Cardiomyopathy
- I42.0Dilated cardiomyopathy
- I42.00Dilated cardiomyopathy, unspecified
- I42.01Familial-genetic dilated cardiomyopathy
- I42.09Other dilated cardiomyopathy
- I42.1Obstructive hypertrophic cardiomyopathy
- I42.2Other hypertrophic cardiomyopathy
- I42.3Endomyocardial (eosinophilic) disease
- I42.4Endocardial fibroelastosis
- I42.5Other restrictive cardiomyopathy
- I42.6Alcoholic cardiomyopathy
- I42.7Cardiomyopathy due to drug and external agent
- I42.8Other cardiomyopathies
- I42.81Arrhythmogenic cardiomyopathy
- I42.89Other cardiomyopathies not elsewhere classified
- I42.9Cardiomyopathy, unspecified
- I43Cardiomyopathy in diseases classified elsewhere
- I44Atrioventricular and left bundle-branch block
- I44.0Atrioventricular block, first degree
- I44.1Atrioventricular block, second degree
- I44.2Atrioventricular block, complete
- I44.3Other and unspecified atrioventricular block
- I44.30Unspecified atrioventricular block
- I44.39Other atrioventricular block
- I44.4Left anterior fascicular block
- I44.5Left posterior fascicular block
- I44.6Other and unspecified fascicular block
- I44.60Unspecified fascicular block
- I44.69Other fascicular block
- I44.7Left bundle-branch block, unspecified
- I45Other conduction disorders
- I45.0Right fascicular block
- I45.1Other and unspecified right bundle-branch block
- I45.10Unspecified right bundle-branch block
- I45.19Other right bundle-branch block
- I45.2Bifascicular block
- I45.3Trifascicular block
- I45.4Nonspecific intraventricular block
- I45.5Other specified heart block
- I45.6Pre-excitation syndrome
- I45.8Other specified conduction disorders
- I45.81Long QT syndrome
- I45.89Other specified conduction disorders
- I45.9Conduction disorder, unspecified
- I46Cardiac arrest
- I46.2Cardiac arrest due to underlying cardiac condition
- I46.8Cardiac arrest due to other underlying condition
- I46.9Cardiac arrest, cause unspecified
- I47Paroxysmal tachycardia
- I47.0Re-entry ventricular arrhythmia
- I47.1Supraventricular tachycardia
- I47.10Supraventricular tachycardia, unspecified
- I47.11Inappropriate sinus tachycardia, so stated
- I47.19Other supraventricular tachycardia
- I47.2Ventricular tachycardia
- I47.20Ventricular tachycardia, unspecified
- I47.21Torsades de pointes
- I47.22Catecholaminergic polymorphic ventricular tachycardia [CPVT]
- I47.29Other ventricular tachycardia
- I47.9Paroxysmal tachycardia, unspecified
- I48Atrial fibrillation and flutter
- I48.0Paroxysmal atrial fibrillation
- I48.1Persistent atrial fibrillation
- I48.11Longstanding persistent atrial fibrillation
- I48.19Other persistent atrial fibrillation
- I48.2Chronic atrial fibrillation
- I48.20Chronic atrial fibrillation, unspecified
- I48.21Permanent atrial fibrillation
- I48.3Typical atrial flutter
- I48.4Atypical atrial flutter
- I48.9Unspecified atrial fibrillation and atrial flutter
- I48.91Unspecified atrial fibrillation
- I48.92Unspecified atrial flutter
- I49Other cardiac arrhythmias
- I49.0Ventricular fibrillation and flutter
- I49.01Ventricular fibrillation
- I49.02Ventricular flutter
- I49.1Atrial premature depolarization
- I49.2Junctional premature depolarization
- I49.3Ventricular premature depolarization
- I49.4Other and unspecified premature depolarization
- I49.40Unspecified premature depolarization
- I49.49Other premature depolarization
- I49.5Sick sinus syndrome
- I49.8Other specified cardiac arrhythmias
- I49.81Brugada syndrome
- I49.82Ventricular bigeminy
- I49.89Other specified cardiac arrhythmias not elsewhere classified
- I49.9Cardiac arrhythmia, unspecified
- I50Heart failure
- I50.1Left ventricular failure, unspecified
- I50.2Systolic (congestive) heart failure
- I50.20Unspecified systolic (congestive) heart failure
- I50.21Acute systolic (congestive) heart failure
- I50.22Chronic systolic (congestive) heart failure
- I50.23Acute on chronic systolic (congestive) heart failure
- I50.3Diastolic (congestive) heart failure
- I50.30Unspecified diastolic (congestive) heart failure
- I50.31Acute diastolic (congestive) heart failure
- I50.32Chronic diastolic (congestive) heart failure
- I50.33Acute on chronic diastolic (congestive) heart failure
- I50.4Combined systolic (congestive) and diastolic (congestive) heart failure
- I50.40Unspecified combined systolic (congestive) and diastolic (congestive) heart failure
- I50.41Acute combined systolic (congestive) and diastolic (congestive) heart failure
- I50.42Chronic combined systolic (congestive) and diastolic (congestive) heart failure
- I50.43Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
- I50.8Other heart failure
- I50.81Right heart failure
- I50.810Right heart failure, unspecified
- I50.811Acute right heart failure
- I50.812Chronic right heart failure
- I50.813Acute on chronic right heart failure
- I50.814Right heart failure due to left heart failure
- I50.82Biventricular heart failure
- I50.83High output heart failure
- I50.84End stage heart failure
- I50.89Other heart failure
- I50.9Heart failure, unspecified
- I51Complications and ill-defined descriptions of heart disease
- I51.0Cardiac septal defect, acquired
- I51.1Rupture of chordae tendineae, not elsewhere classified
- I51.2Rupture of papillary muscle, not elsewhere classified
- I51.3Intracardiac thrombosis, not elsewhere classified
- I51.4Myocarditis, unspecified
- I51.5Myocardial degeneration
- I51.7Cardiomegaly
- I51.8Other ill-defined heart diseases
- I51.81Takotsubo syndrome
- I51.89Other ill-defined heart diseases
- I51.9Heart disease, unspecified
- I52Other heart disorders in diseases classified elsewhere
- I5ANon-ischemic myocardial injury (non-traumatic)
I30-I5A MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Pericardial Disorders
The pericardium is a membrane, or sac, that surrounds your heart. It holds the heart in place and helps it work properly. Problems with the pericardium include:
Read more about pericardial disorders on MedlinePlus