What it is:
A FIT is similar to a fecal occult blood test (FOBT), except that the FIT is a newer test that doesn't require patients to follow a restricted diet before taking the test. (An FOBT requires abstaining from red meat and certain medications for a number of days prior to the test.) A FIT may not detect blood from further up the digestive tract (such as in the stomach), which means that it is more specific to finding blood coming from the lower gastrointestinal tract than the FOBT. Many patients find the collection methods of the FIT easier than those of the FOBT.
What it's used for:
- Have active bleeding from a hemorrhoid or anal fissure
- Have blood in your urine
- Are a woman having your menstral period or during the three days after the end of your period
Toilet cleaners may affect test results and should be removed before using the FIT.
How it's done:
Flush the toilet before a bowel movement. Brush the surface of the stool with one of the brushes from the kit for several seconds. Shake the brush once to dislodge any clumps of stool or excess water. Apply the sample by swabbing the appropriate spot on the test card for several seconds with the bristles of the brush. Dispose of the brush as directed by the instructions included with the kit.
Repeat for one more bowel movement as directed by your doctor. Cover the test cards and store them away from heat, light, and strong chemicals.
After completing the test, seal the test envelope and return the kit to your doctor or the laboratory.
Call the doctor:
Other important information:Read all instructions that come with the kit carefully before testing begins.
Enterix, Inc. "InSure Patient Guide." Quest Diagnostics 2007. 06 Mar 2012.
American Cancer Society. "Can Colorectal Polyps and Cancer Be Found Early?" Cancer.org 5 Mar 2008. 06 Mar 2012.