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Content Overview

Fecal/Stool Tests: Fecal Occult Blood Test (FOBT) Fecal Immunochemical Test (FIT) Stool DNA (sDNA)

Fecal Immunochemical Test (FIT)

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Fecal Innumochemical Test (FIT) involves submitting a small amount of a single bowel movement to your doctor's office for testing.

Advantages of FIT

Inexpensive
Covered by most health insurance
Can be completed in the comfort of your home
No drug or food restrictions
Collecting a stool sample may take less effort. FIT does not require samples from as many bowel movements.
More specific than FOBT. FIT only identifies human blood
Fewer samples are needed for testing.

Disadvantages of FIT

Only indicates if you already have cancer. FIT cannot identify precancerous polyps.
Will need to get a colonscopy if test is positive.
Patients may find the FIT test unpleasant to do.
May miss tumors that bleed in small amounts or not at all.
Costs more than a Fecal Occult Blood Test (FOBT)
Must be done yearly to be considered a fairly reliable alternative to colonoscopy.

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