2013 ICD-9-CM Diagnosis Code 426.7
Anomalous atrioventricular excitation
- 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.
- 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)
- ICD-9-CM 426.7 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
426.7 Alternative Terminology
Applies To
Convert 426.7 to ICD-10-CM 

ICD-9-CM Volume 2 Index entries containing back-references to 426.7: