Fecal immunochemical test

Colon Cancer is Preventable

What is FIT?

The fecal immunochemical test (FIT) is a screening test for colon cancer. It tests for hidden blood in the stool, which can be an early sign of cancer. FIT only detects human blood from the lower intesvtines. Medicines and food do not interfere with the test. So it tends to be more accurate and have fewer false positive results than other tests.

The FIT must be done every year.

If the FIT is positive for hidden blood, a colonoscopy(the gold standard) will be needed to investigate further.

Screening is the process of looking for cancer in people who have no symptoms.If you have any of the symptoms listed below(or in our information pamphlet),you should consult your health care provider.


Alternative Names

Immunochemical fecal occult blood test; iFOBT; Colon cancer screening – FIT

How the Test is Performed

You will be given the test to use at home. Be sure to follow the instructions provided. Most tests have the following steps:

  • Flush the toilet before having a bowel movement.
  • Put the used toilet paper in the waste bag provided. DO NOT put it into the toilet bowl.
  • Use the brush from the kit to brush the surface of the stool and then dip the brush into the toilet water.
  • Touch the brush on the space indicated on the test card.
  • Add the brush to the waste bag and throw it away.
  • Send the sample to the lab for testing.

Your doctor may ask you to test more than one stool sample before sending it in.

How to Prepare for the Test

You do not need to do anything to prepare for the test.

How the Test Will Feel

Some people may be squeamish about collecting the sample. But you will not feel anything during the test.

Why the Test is Performed

Blood in the stool may be an early sign of colon cancer. This test is performed to detect blood in the stool that you cannot see. This type of screening can detect problems that can be treated before cancer develops or spreads.

Talk with your doctor about when you should have colon screenings.


  • Change in bowel habits.
  • Blood on or in the stool.
  • Unexplained anemia.
  • Unusual stomach or gas pain.
  • Unexplained weight loss.
  • Fatigue.
  • Vomiting

Normal Results

A normal result means the test did not detect any blood in the stool. However, because cancers in the colon may not always bleed, you may need to do the test a few times to confirm that there is no blood in your stool.

What Abnormal Test Results Mean

If the FIT results come back positive for blood in the stool, your doctor will want to perform other tests, usually including a colonoscopy. The FIT test does not diagnose cancer. Screening tests such as a sigmoidoscopy or colonoscopy can also help detect cancer. Both the FIT test and other screenings can catch colon cancer early, when it is easier to treat.


There are no risks from using the FIT.