I00–I99
Diseases of the Circulatory System
Hypertension, heart failure, stroke, atrial fibrillation
I48.4
Atypical atrial flutter
Billable
I48.9
Unspecified atrial fibrillation and atrial flutter
Non-billable
I48.91
Unspecified atrial fibrillation
Billable
I48.92
Unspecified atrial flutter
Billable
I49
Other cardiac arrhythmias
Non-billable
I49.0
Ventricular fibrillation and flutter
Non-billable
I49.01
Ventricular fibrillation
Billable
I49.02
Ventricular flutter
Billable
I49.1
Atrial premature depolarization
Billable
I49.2
Junctional premature depolarization
Billable
I49.3
Ventricular premature depolarization
Billable
I49.4
Other and unspecified premature depolarization
Non-billable
I49.40
Unspecified premature depolarization
Billable
I49.49
Other premature depolarization
Billable
I49.5
Sick sinus syndrome
Billable
I49.8
Other specified cardiac arrhythmias
Non-billable
I49.81
Brugada syndrome
Billable
I49.82
Ventricular bigeminy
Billable
I49.89
Other specified cardiac arrhythmias not elsewhere classified
Billable
I49.9
Cardiac arrhythmia, unspecified
Billable
I50
Heart failure
Non-billable
I50.1
Left ventricular failure, unspecified
Billable
I50.2
Systolic (congestive) heart failure
Non-billable
I50.20
Unspecified systolic (congestive) heart failure
Billable
I50.21
Acute systolic (congestive) heart failure
Billable
I50.22
Chronic systolic (congestive) heart failure
Billable
I50.23
Acute on chronic systolic (congestive) heart failure
Billable
I50.3
Diastolic (congestive) heart failure
Non-billable
I50.30
Unspecified diastolic (congestive) heart failure
Billable
I50.31
Acute diastolic (congestive) heart failure
Billable
I50.32
Chronic diastolic (congestive) heart failure
Billable
I50.33
Acute on chronic diastolic (congestive) heart failure
Billable
I50.4
Combined systolic (congestive) and diastolic (congestive) heart failure
Non-billable
I50.40
Unspecified combined systolic (congestive) and diastolic (congestive) heart failure
Billable
I50.41
Acute combined systolic (congestive) and diastolic (congestive) heart failure
Billable
I50.42
Chronic combined systolic (congestive) and diastolic (congestive) heart failure
Billable
I50.43
Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
Billable
I50.8
Other heart failure
Non-billable
I50.81
Right heart failure
Non-billable
I50.810
Right heart failure, unspecified
Billable
I50.811
Acute right heart failure
Billable
I50.812
Chronic right heart failure
Billable
I50.813
Acute on chronic right heart failure
Billable
I50.814
Right heart failure due to left heart failure
Billable
I50.82
Biventricular heart failure
Billable
I50.83
High output heart failure
Billable
I50.84
End stage heart failure
Billable
I50.89
Other heart failure
Billable
I50.9
Heart failure, unspecified
Billable
I51
Complications and ill-defined descriptions of heart disease
Non-billable
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