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Screen for Life: National Colorectal Cancer Action Campaign

Facts for People with Medicare

Questions about Medicare Coverage?
Call 1-800-663-4227
TTY 1-877-2048 www.medicare.org*

Learn the Basics!
Basic Facts on Colorectal Cancer Screening

You may also download a PDF version (863K) of the fact sheet for Adobe Acrobat Reader

Screening Tests and Medicare Coverage

Several tests can be used to detect polyps or colorectal cancer. Each one can be used alone. Sometimes they are used in combination with each other. People age 50 or older with Medicare are eligible for colorectal cancer screening. There is no age limit for colonoscopy.

  • Fecal Occult Blood Test or Stool Test
    You receive a test kit from your doctor or health care provider. At home, you put a small stool sample on a test card. You do this for three bowel movements in a row. Then you return the test cards to the doctor or a lab. The stool samples are checked for blood.
    Medicare: Covers once a year. You pay nothing.

  • Flexible Sigmoidoscopy  
    The doctor puts a short, thin, flexible, lighted tube into your rectum. The doctor checks for polyps or cancer inside the rectum and lower third of the colon.
    Medicare: Covers every 4 years. You pay 20% of approved amount after Part B deductible.*

  • Fecal Occult Blood Test Plus Flexible Sigmoidoscopy  
    Your doctor may ask you to have both tests. Some experts believe that by using both, there is a better chance of finding polyps or colorectal cancer.
    Medicare: See above.

  • Colonoscopy  
    This is similar to flexible sigmoidoscopy, except the doctor uses a longer tube to check for polyps or cancer inside the rectum and the entire colon. During the test, the doctor can find and remove most polyps and some cancers. You will be given medication to help you relax and are advised not to drive or work on the day of the exam.
    Medicare: Covers every 10 years if you are not at high risk for colorectal cancer, but not within 4 years of having screening flexible sigmoidoscopy. Covers every 2 years if you are at high risk. Covers every 2 years if you are at high risk. There is no age limit for colonoscopy. You pay 20% of Medicare approved amount after yearly Part B deductible.*
    Colonoscopy also may be used a as follow-up test if anything unusual is found during one of the other screening tests. Medicare covers follow-up colonoscopy.

  • Barium Enema  
    You are given an enema with a liquid called barium. Then the doctor takes an x-ray. The barium allows the doctor to see the outline of your colon on the x-ray to check for polyps or anything else that needs to be checked.
    Medicare: Your doctor may order this test as a substitute for flexible sigmoidoscopy or colonoscopy. It is covered every 4 years if you are not at high risk or covered every 2 years if you are at high risk for colorectal cancer. You pay 20% of approved amount after the yearly Part B deductible.

* If flexible sigmoidoscopy or colonoscopy is done in an ambulatory surgical center or hospital outpatient department, you pay 25% of Medicare approved amount.

More Information

For more information about Medicare coverage, call 1-800-MEDICARE (1–800–633–4227). TTY users should call 1–877–2048. Or visit www.medicare.org.*

For more information about colorectal cancer and screening, visit CDC | Cancer Prevention and Control or call the National Cancer Institute's Cancer Information Service: 1–800–4–CANCER. For TTY call 1–800–332–8615.

*Links to non-Federal organizations found at this site are provided solely as a service to our users. These links do not constitute an endorsement of these organizations or their programs by CDC or the Federal Government, and none should be inferred. The CDC is not responsible for the content of the individual organization Web pages found at these links.


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This Web site is intended for information only and is not a substitute for medical care or treatment by a qualified professional. Any person who has or might have a health problem should consult a professional health care provider.


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Page last reviewed: Wednesday, May 19, 2004

United States Department of Health and Human Services
Centers for Disease Control and Prevention
National Center for Chronic Disease Prevention and Health Promotion
Division of Cancer Prevention and Control