2007 ICD-9-CM Procedure 97.44 Nonoperative removal of heart assist system 97.44 is a specific code that can be used to specify a procedure 97.44 contains 6 index entries View the full Volume 3 97.* hierarchy 97.44 also known as: Explantation [removal] of circulatory assist device Explantation [removal] of percutaneous external heart assist device Intra-aortic balloon pump [IABP] Removal of extrinsic heart assist device Removal of pVAD Removal of percutaneous heart assist device Index entries containing 97.44: Removal -- see also Excision heart assist system intra-aortic balloon pump (IABP) 97.44 nonoperative 97.44 percutaneous external device 97.44 intra-aortic balloon pump (IABP) 97.44 Kantrowitz heart pump 37.64 nonoperative 97.44 pump assist device, heart 37.64 nonoperative 97.44