It's hard to advise on this without seeing the operative report. The appendectomy code bundles to the colectomy code if the appendix was normal and the removal was incidental, but can be reported if it the appendix was diseased. Also, I'm a little puzzled by how you can have a partial cecectomy with no anastomosis? The segment of the colon that was removed would usually be closed either by anastomosis or by creation of an ostomy. Can you provide a little more detail?