icd10code description I47 Paoxysmal tachycardia I47.0 re-entry ventricular arrhythmia I47.1 supracentricular tachycardia I47.2 ventricular tachycardia I47.9 paroxysmal tachycardia, unspecified I48 atrial fibrillation and flutter I48.1 paroxysmal atrial fibrillation I48.2 chronic atrial fibrillation I48.3 typical atrial flutter I48.4 atypical atrial flutter I48.9 atrial fibrillation and atrial flutter, unspecified I49 other cardiac arrhythmias I49.1 ventricular fibrillation and flutter I49.2 junctional premature depolarization I49.3 ventricular premature depolarization I49.4 other an unspecified premature depolarization I49.5 sick sinus syndrome I49.8 other specified cardiac arrhythmias I49.9 cardiac arrhythmia, unspecified