Faecal Occult Blood
Faecal occult blood detects hidden blood in stool and is used in colorectal cancer screening and GI bleeding investigation.
Why a doctor may order this
To screen for occult gastrointestinal bleeding or as part of colorectal cancer screening.
Why you may need this
If you are 45–50+ or have bowel symptoms / family history — checks for hidden blood that may need colonoscopy follow-up.
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