<p>An Occult Blood Test (OBT)—often called a Fecal Occult Blood Test (FOBT)—is <!--qkimaf upNHW_k/HugV6--><!--cqw1tb upNHW_k/HugV6-->a non-invasive screening used to detect hidden blood in the stool<!--TgQPHd||[]-->. It is a vital preliminary tool used to identify gastrointestinal bleeding caused by conditions like polyps, ulcers, hemorrhoids, or colorectal cancer before visible symptoms appear.</p>
Category: CLINI PATHO