FAQ: About the Tests
Are the tests to check for colorectal cancer painful?
While some tests may be uncomfortable, there is usually little or no pain involved. Fecal Occult Blood Testing (FOBT) is painless, and the other screening tests generally involve only a few minutes of gas pain.
Even if you do experience some pain, the tests only last about 30 minutes. If your doctor is able to detect a problem early, you will be able to address it with much less pain than if it were to develop into more advanced cancer.
Remember, you may experience a few minutes of discomfort, but this is far better than risking the possibility of larger problems in the future.
Are the tests to check for colorectal cancer embarrassing?
Many people feel embarrassed about the screening tests for colorectal cancer. But remember, the doctors you will see are professionals who do this work every day. They should be able to put you at ease and make the test as comfortable as possible.
And even if you still feel a little embarrassed, this is a small price to pay to keep yourself healthy.
How long does it take to get tested?
The tests range from a simple at-home test that takes just a few minutes (Fecal Occult Blood Test) to a procedure that lasts about 30-60 minutes (Flexible Sigmoidoscopy, Double Contrast Barium Enema, or Colonoscopy).
Understandably, getting an unpleasant screening test when you feel fine may not be your first priority. But consider this: more than 33% of deaths from colorectal cancer could be avoided if people over age 50 had regular screening tests. Many cases of colorectal cancer begin without any symptoms, and are not discovered until the cancer has progressed. You are probably able to make time for the dentist or a haircut. A screening test shouldn't take any longer.
Isn't it worth it?
Are the tests expensive?
The least expensive screening test for colorectal cancer is the fecal occult blood test, or FOBT. The price is usually $10-$25, and the cost is covered by most insurance plans. In addition, Medicare covers the cost of yearly FOBT beginning at age 50.
Flexible sigmoidoscopy costs between $150 and $300, and is covered by many insurance plans every 4 to 5 years. Medicare covers 80% of the cost every 4 years.
Colonoscopy is the most expensive screening test, usually costing between $800 and $1600. However, some insurance plans cover the procedure, especially for people who are at higher-than-average risk for colorectal cancer. Almost all plans cover the procedure if it is needed as a follow-up test after FOBT or flexible sigmoidoscopy. Medicare covers 80% of the cost for high-risk patients and those who need a colonoscopy as follow-up to a FOBT or flexible sigmoidoscopy.
Double contrast barium enema (DCBE) tests cost between $250 and $500. Since DCBE is still being scientifically evaluated, the insurance coverage is not as widespread as it is for the other screening tests. DCBE is covered by some insurance plans under special conditions, and Medicare will sometimes cover 80% of the cost if DCBE is substituted for flexible sigmoidoscopy or colonoscopy. Be sure to check with your insurance carrier or Medicare for complete information about your coverage.
As you can see, there is a wide range of costs for each of the screening tests, but most insurance plans cover at least one of the procedures. Even if you have to pay for FOBT on your own, the cost is very low and it is a valuable screening test. Don't let the cost stop you. If you still don't think you can get tested, check with some local hospitals or pharmacies to see if there are any free FOBT screenings in your area.
Are the tests accurate?
Although screening tests are not 100% foolproof, they are able to detect the majority of colorectal cancers if done regularly. There are ways to assure that you receive the most accurate test possible.
You should be sure to carefully follow the preparation instructions for your screening test so your chance of receiving an accurate result is increased. The preparation for each test is different, so make sure you ask your doctor what you should do in the days before the test. You should also make sure that you are checked on a regular basis. The American Cancer Society recommends the following schedule of screening tests beginning at age 50:
- Fecal occult blood test (FOBT) every year and flexible sigmoidoscopy every 5 years*, or
- Colonoscopy every 10 years, or
- Double contrast barium enema (DCBE) every 5 years
* These tests are more effective when done together, but if you prefer not to get both tests, either one is recommended.
Check with your doctor to learn about your risk of developing colorectal cancer. You may need to be checked at a younger age and more frequently than these guidelines suggest. You can also visit the section on risk factors to learn more.
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