Do I have to prepare before taking the test (e.g. a special diet)?
No. There are no nutritional recommendations and also no bowel preparation required for the test. The blood draw can be taken by your doctor at any time. How long do I have to wait for the results? Your results will be sent to your doctor, usually within five business days from the date of receipt of the blood sample. Your doctor will discuss the result with you and depending on the result decide about next steps. If I tested positive for Septin9, does that mean that I have colorectal cancer? No, not necessarily. Not necessarily. Although a positive result means that you have a high risk of having colorectal cancer, as with many other diagnostic tests, a false positive result can occur. That is why your doctor will recommend that you receive a follow-up colonoscopy for definitive diagnosis. Please follow that recommendation. If I tested negative can I be confident that I do not have colorectal cancer? No diagnostic method is perfect and of course, there is a risk of false negative resu