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Fecal Immunochemical Test (FIT): About This Test

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What is it?

This test checks for hidden blood in the stool. Your kit will explain how to collect a sample or test a small amount of stool. You'll return the kit to the doctor or to a lab. Or if your kit shows results at home and is positive for blood, call your doctor right away.

Why is this test done?

This test is done to check for colorectal cancer.

How is the test done?

There are different types of home tests available. It's important to follow the instructions provided with any test.

Don't do the test during your menstrual period or if you are having bleeding from hemorrhoids.

Here are some general instructions:

  • Check the expiration date on the package. Don't use a test kit after its expiration date.
  • Follow the instructions exactly. Do all the steps in order, without skipping any of them.
  • After you finish your test, follow the instructions that you were given for returning the test.

For a FIT test, you put a small sample of stool in a tube or on a card that comes with the kit. You return this to your doctor or a lab.

There is a FIT test that shows the results right away. If your test shows that blood was found in your stool sample, call your doctor as soon as you can.

Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results.

Where can you learn more?

Go to http://www.healthwise.net/patientEd

Enter A832 in the search box to learn more about "Fecal Immunochemical Test (FIT): About This Test".

Current as of: October 25, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Current as of: October 25, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.