2007 ICD-9-CM Procedure 36.01 Single vessel percutaneous transluminal coronary angioplasty [ptca] or coronary atherectomy without mention of thrombolytic agent Dilatation of an occluded coronary artery (or arteries) by means of a balloon catheter to restore myocardial blood supply. Percutaneous transluminal procedure for removing atheromatous plaque from the coronary arteries. Both directional (for removing focal atheromas) and rotational (for removing concentric atheromatous plaque) atherectomy devices have been used. 36.01 is a specific code that can be used to specify a procedure View the full Volume 3 36.* hierarchy