2007 ICD-9-CM Procedure 37.34 Excision or destruction of other lesion or tissue of heart, other approach 37.34 is a specific code that can be used to specify a procedure 37.34 contains 6 index entries View the full Volume 3 37.* hierarchy 37.34 also known as: Ablation of heart tissue (cryoablation) (electrocurrent)(laser) (microwave) (radiofrequency) (resection), via peripherally inserted catheter Modified maze procedure, endovascular approach Index entries containing 37.34: Ablation lesion heart by peripherally inserted catheter 37.34 endovascular approach 37.34 maze procedure (Cox-maze) endovascular approach 37.34 Destruction lesion (local) heart 37.33 by catheter ablation 37.34 Operation maze procedure (ablation or destruction of heart tissue) by peripherally inserted catheter 37.34 endovascular approach 37.34