Well, it helps to speak with the right person at the hospital to start. I'd recommend calling and asking for the hospital's billing/accounts payable office (rather than the endoscopy people who just do the procedure). Tell the billing people you are paying for the procedure out of pocket and you must therefore know the cost up-front before the procedure is done (I think it would be easier to get an answer out of them that way). The different anesthesia options might change the price too.
The hospital I use told me that they have a discount for those who are paying for procedures out of pocket (not sure if this is typical or not).
Not sure if your insurance company's negotiated rate for the colonoscopy procedure would be given to you as well? You could certainly ask as that negotiated rate might be cheaper that the cash discount rate.
Certainly do your homework and good luck,
4 Lialda tablets with breakfast and Rowsa before bed
Diagnosed with ulcerative proctosigmoiditis in Feb 2012
Post Edited (ipoop) : 11/7/2012 11:16:58 AM (GMT-7)