2007 ICD-9-CM Procedure 37.66 Implant of an implantable, pulsatile heart assist system 37.66 is a specific code that can be used to specify a procedure 37.66 contains 1 index entry View the full Volume 3 37.* hierarchy Note : Device directly connected to the heart and implanted in the upper left quadrant of peritoneal cavity. 37.66 also known as: Axial flow heart assist system Diagonal pump heart assist system Left ventricular assist device (LVAD) Pulsatile heart assist system Right ventricular assist device (RVAD) Rotary pump heart assist system Transportable, implantable heart assist system. Ventricular assist device (VAD) not otherwise specified 37.66 excludes: implant of pulsation balloon (37.61) implantation of total replacement heart system [artificial heart] (37.52) insertion of percutaneous external heart assist device (37.68) Index entries containing 37.66: Implant, implantation heart assist system NEC 37.62 implantable 37.66