Nuffield Health
Warwickshire Hospital
Old Milverton Lane
Leamington Spa
Warwickshire
CV32 6RW
Stool FIT
A Stool FIT Test (Fecal Immunochemical Test) is a screening test used to detect blood in your stool that may not be visible to the naked eye. The presence of blood in the stool can be a sign of conditions such as colorectal cancer, polyps, or other gastrointestinal problems. This test is an important tool in the early detection of these conditions, especially for people who are at risk.
Contact Mr Ferguson to assess your symptoms and he will discuss if FIT Testing is an appropriate first test for you.
Why Is Stool FIT Testing Done?
The Stool FIT test is typically used for:
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Colorectal Cancer Screening: It helps detect early signs of colorectal cancer or polyps, even before symptoms appear.
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Check for Hidden Blood: Blood in the stool can be an early warning sign of colorectal conditions, including cancer, but is not always visible.
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Monitoring: For people with a history of colorectal issues or a family history of cancer, a FIT test may be used to monitor for changes over time.
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How Does the FIT Test Work?
The FIT test works by detecting the presence of human blood in your stool. It uses antibodies that specifically target and bind to blood found in the stool, even if the blood is not visible. The test is non-invasive and can be done at home with a sample you provide.
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How is the FIT Test Done?
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Collecting the Sample: Mr Ferguson will give you a FIT test kit that includes instructions on how to collect a stool sample.
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Sending the Sample: After collecting the sample, you'll send it to a lab for analysis. The test kit will include a container and a mailing envelope.
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Analysis: The laboratory will test your stool sample for traces of blood using special antibodies.
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Results: Mr Ferguson will receive the results and discuss them with you. The results come on a number scale from zero to greater than 400. A result of less than 10 is generally considered negative for patients with symptoms. A positive result does not automatically mean you have cancer but indicates that further testing, like a colonoscopy, may be needed
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Benefits of Stool FIT Testing
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Non-invasive: Unlike a colonoscopy, the FIT test does not require any special preparation or procedure.
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No Dietary Restrictions: There are no dietary changes or medication adjustments needed before taking the test.
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Early Detection: The FIT test can help detect early signs of colorectal problems before symptoms occur, improving the chances of successful treatment.
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Convenient: The test can be done at home, in the comfort of your own bathroom, and sent to the lab for analysis.
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When Should You Have a Stool FIT Test?
The FIT test is often recommended for:
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People aged 50 and older: Every 2 years as part of regular UK colorectal cancer screening.
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People with a family history of colorectal cancer or other risk factors (like certain genetic conditions).
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People with symptoms such as unexplained weight loss, bloating, changes in bowel habits, or rectal bleeding (though a positive result will require further testing for a definitive diagnosis).
What Happens if the Test is Positive?
A positive result means that blood has been detected in your stool, but it doesn't necessarily mean you have bowel cancer. It just means that further testing is needed to find out the cause.
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Follow-up Tests: Mr Ferguson may recommend additional tests such as a colonoscopy, which allows a doctor to visually inspect the colon and take biopsies if necessary. Other diagnostic tests may be used depending on the findings.
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Other Causes: There are many reasons for blood in the stool, including hemorrhoids, polyps, inflammation (IBD), or infections. Mr Ferguson will work with you to determine the cause and next steps.
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What Happens if the Test is Negative?
A negative result means no blood was found in your stool, meaning that you have a low risk of major problems like colorectal cancer. However, this does not mean that there is nothing wrong with you, and further invetigations may still be beneficial, especially if you have significant symptoms or a family history of bowel disease. It is important to remember that the FIT test is a screening tool, not a diagnostic test.​
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Summary​
A Stool FIT is a quick, simple, and effective screening tool to help detect hidden blood in your stool. It plays an important role in the early detection of colorectal cancer and other gastrointestinal conditions. If you are due for screening or have concerns about colorectal health, talk to Mr Ferguson about whether the FIT test is right for you.