billing procedures

when a screening colonoscopy is being done and while they where in doing the procdure they found a poly. What is the correct order of the diagnosis the screening code first then the findings of the polyp?

re: billing procedures

Example:colonoscopy due to family history of colon cancer. The patient has no personal history of gastrointestinal disease and is currently without signs and symptoms. The colonoscopy revealed a colonic polyp that was removed by snare technique = V76.51, V16.0, 211.3, 45385