I am an outpatient surgery coder for a hospital. For years our policy for coding excisions when there were no margins or sizes dictated was to defer to largest number on the path, this being the largest diameter plus margins. We have been taken over and the new policy is to multiply the lenghth x width that is dictated on the path to arrive at the sq centimeter of the excised lesion and this number would determine the cpt code used. When I showed them the article from The Coding Edge of May 2009 explaining how to arrive at a lesion size based on the Path report I was told that that information was only for phycision office coding only. Any advice on this would be appreciated.