Pt comes in to see there family phy for the hypertension, they had a CABG done with their cardiologist. Physician codes the dx they were in for but also codes p/o CABG, how would you could that or would you even code it, because he is not the one that done the surgery. I look at postop as being seen by phy. that has done the surgery. The only thing I could think of was looking at a history code for cardiovascular problems. Help please