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@mycnctds

How reliable is occult blood test in stool samples? I think it is a screening test but if it's positive, then colonoscopy is called for? Pls enlighten.

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Replies to "How reliable is occult blood test in stool samples? I think it is a screening test..."

That's correct, @mayoclinicorg2023. A fecal occult test is a screening test. If your fecal occult blood test result is positive, your doctor may recommend a test to examine the inside of your colon, such as a colonoscopy.

Here is more information from Mayo Clinic:
- Fecal occult blood test https://www.mayoclinic.org/tests-procedures/fecal-occult-blood-test/about/pac-20394112