ICD-10-CM > I00-I99 > I30-I5A > I49 I49 Other cardiac arrhythmias Non-Billable/Non-Specific Code First cardiac arrhythmia complicating:abortion or ectopic or molar pregnancy (O00-O07, O08.8)obstetric surgery and procedures (O75.4) Type 2 Excludes bradycardia NOS (R00.1)neonatal dysrhythmia (P29.1-)sinoatrial bradycardia (R00.1)sinus bradycardia (R00.1)vagal bradycardia (R00.1) Codes I49.0Ventricular fibrillation and flutterI49.01Ventricular fibrillationI49.02Ventricular flutterI49.1Atrial premature depolarizationI49.2Junctional premature depolarizationI49.3Ventricular premature depolarizationI49.4Other and unspecified premature depolarizationI49.40Unspecified premature depolarizationI49.49Other premature depolarizationI49.5Sick sinus syndromeI49.8Other specified cardiac arrhythmiasI49.9Cardiac arrhythmia, unspecified