How you prepare

Stool DNA testing requires no preparation. You can eat and drink normally before the test and continue your current medications. There's also no need to undergo bowel preparation to clean out or empty your colon before the test.

Nov. 16, 2017
References
  1. AskMayoExpert. Cologuard (stool DNA) test. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2017.
  2. Sweetser S, et al. Multi-target stool DNA test: Is the future here? Current Gastroenterology Reports. 2016;18:30.
  3. Bibbins-Domingo K, et al. Screening for colorectal cancer: US Preventive Services Task Force Recommendation Statement. JAMA. 2016;23:2564.
  4. Cologuard. U.S. Food and Drug Administration. https://www.accessdata.fda.gov/scripts/cdrh/devicesatfda/index.cfm?db=pma&id=320556. Accessed Aug. 30, 2017.
  5. Cotter TG, et al. Long-term follow-up of patients having false-positive multitarget stool DNA tests after negative screening colonoscopy: The LONG-HAUL cohort study. Cancer Epidemiology, Biomarkers and Prevention. 2017;26:614.
  6. Ahlquist DA (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 31, 2017.