2007 ICD-9-CM Procedure 35.94 Creation of conduit between atrium and pulmonary artery A procedure in which total right atrial or total caval blood flow is channeled directly into the pulmonary artery or into a small right ventricle that serves only as a conduit. The principal congenital malformations for which this operation is useful are TRICUSPID ATRESIA and single ventricle with pulmonary stenosis. 35.94 is a specific code that can be used to specify a procedure 35.94 contains 8 index entries View the full Volume 3 35.* hierarchy 35.94 also known as: Fontan procedure Index entries containing 35.94: Correction -- see also Repair atresia tricuspid 35.94 tricuspid atresia 35.94 Creation -- see also Formation conduit right atrium and pulmonary artery 35.94 Fontan operation (creation of conduit between right atrium and pulmonary artery) 35.94 Formation conduit right atrium and pulmonary artery 35.94 Operation Fontan (creation of conduit between right atrium and pulmonary artery) 35.94 Repair tricuspid atresia 35.94 Shunt -- see also Anastomosis and Bypass, vascular right atrium and pulmonary artery 35.94