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2009 ICD-9-CM
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| Ventricular Outflow Obstruction Ventricular Inflow Obstruction | Ventricular Outflow Obstruction, Left | Ventricular Outflow Obstruction, Right | Left Ventricular Outflow Obstruction | Outflow Obstruction, Left Ventricular | Outflow Obstruction, Right Ventricular Occlusion of the ventricular outflow or inflow tract on either side of the heart. It may result from a congenital defect or predisposing heart disease, or as a complication of surgery or tumors of the heart or its vessels. |