BC60-BC9Z block
Cardiac arrhythmia
Definition
This is any of a large and heterogeneous group of conditions in which there is abnormal electrical activity in the heart. The heartbeat may be too fast or too slow, and may be regular or irregular.
12 subordinate codes
BC60Atrial premature depolarizationBC61Junctional premature depolarizationBC62Accessory pathwayBC63Conduction disordersBC64Sudden arrhythmic death syndromeBC65Cardiac arrhythmia associated with genetic disorderBC70-BC7ZVentricular rhythm disturbanceBC80-BC8ZSupraventricular rhythm disturbanceBC90Rhythm disturbance at level of atrioventricular junctionBC91Pacemaker or implantable cardioverter defibrillator battery at end of battery life4B4YOther specified diseases of the immune system4B4ZDiseases of the immune system, unspecified