you can set up surgery for any time m-f you want, if it is set for a monday the they do the preop test same day as surgery if any other day then the day beofre surgery, yo stay in town for a total of 72 hours. and once paper turned in you start preop diet a week unless you have ahigh bmi then the dietian will review that with you before surgery and they must recieve payment a least 1 week before surgery too. you can also call them they are great at answering questions by phone. emailing questions is a little slow on responses. i have surgery scheduled for monday june 5 and counting down. I would be will to answer other questions you have. armynurseb