Narrow your coding options with this quick-look tool. The new year brought a new way of thinking about coding angioplasty, atherectomy, and stent procedures. To be sure you have the proper code for your particular service, you'll need to study the code definitions carefully and choose the one appropriate for the individual case you're coding. But you can get an overview of how your 2010 and 2011 options compare using this tool based on CPT 2011 guidelines.