ICD-9-CM 426.7 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 426.7 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
A type of ventricular pre-excitation resulting from the activation of an accessory pathway known as the bundle of kent. This pathway presents an abnormal electrical communication from the atria to the ventricles. Wolff-parkinson-white syndrome is characterized by a short pr interval and a long qrs interval with a delta wave. (nci)
Association of paroxysmal tachycaria or atrial fibrillation and pre-excitation characterized by a short pr interval and a long qrs interval with a delta wave