I00–I99
Diseases of the Circulatory System
Hypertension, heart failure, stroke, atrial fibrillation
I44.1
Atrioventricular block, second degree
Billable
I44.2
Atrioventricular block, complete
Billable
I44.3
Other and unspecified atrioventricular block
Non-billable
I44.30
Unspecified atrioventricular block
Billable
I44.39
Other atrioventricular block
Billable
I44.4
Left anterior fascicular block
Billable
I44.5
Left posterior fascicular block
Billable
I44.6
Other and unspecified fascicular block
Non-billable
I44.60
Unspecified fascicular block
Billable
I44.69
Other fascicular block
Billable
I44.7
Left bundle-branch block, unspecified
Billable
I45
Other conduction disorders
Non-billable
I45.0
Right fascicular block
Billable
I45.1
Other and unspecified right bundle-branch block
Non-billable
I45.10
Unspecified right bundle-branch block
Billable
I45.19
Other right bundle-branch block
Billable
I45.2
Bifascicular block
Billable
I45.3
Trifascicular block
Billable
I45.4
Nonspecific intraventricular block
Billable
I45.5
Other specified heart block
Billable
I45.6
Pre-excitation syndrome
Billable
I45.8
Other specified conduction disorders
Non-billable
I45.81
Long QT syndrome
Billable
I45.89
Other specified conduction disorders
Billable
I45.9
Conduction disorder, unspecified
Billable
I46
Cardiac arrest
Non-billable
I46.2
Cardiac arrest due to underlying cardiac condition
Billable
I46.8
Cardiac arrest due to other underlying condition
Billable
I46.9
Cardiac arrest, cause unspecified
Billable
I47
Paroxysmal tachycardia
Non-billable
I47.0
Re-entry ventricular arrhythmia
Billable
I47.1
Supraventricular tachycardia
Non-billable
I47.10
Supraventricular tachycardia, unspecified
Billable
I47.11
Inappropriate sinus tachycardia, so stated
Billable
I47.19
Other supraventricular tachycardia
Billable
I47.2
Ventricular tachycardia
Non-billable
I47.20
Ventricular tachycardia, unspecified
Billable
I47.21
Torsades de pointes
Billable
I47.22
Catecholaminergic polymorphic ventricular tachycardia [CPVT]
Billable
I47.29
Other ventricular tachycardia
Billable
I47.9
Paroxysmal tachycardia, unspecified
Billable
I48
Atrial fibrillation and flutter
Non-billable
I48.0
Paroxysmal atrial fibrillation
Billable
I48.1
Persistent atrial fibrillation
Non-billable
I48.11
Longstanding persistent atrial fibrillation
Billable
I48.19
Other persistent atrial fibrillation
Billable
I48.2
Chronic atrial fibrillation
Non-billable
I48.20
Chronic atrial fibrillation, unspecified
Billable
I48.21
Permanent atrial fibrillation
Billable
I48.3
Typical atrial flutter
Billable
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