How is a routine stool examination performed?

No, routine stool examination primarily analyzes whether abnormal components are present in the stool—such as red blood cells, white blood cells, visible or occult blood, parasites, or undigested food particles. It is a fundamental test included in physical examinations. However, many individuals avoid this test due to concerns about the inconvenience or perceived unhygienic nature of stool collection, thus overlooking its importance.

In fact, stool analysis provides essential baseline information about gastrointestinal function and overall health. Fasting is not required. When collecting a specimen, use a sterile specimen container (which typically includes a built-in sampling spoon) to obtain a pea-sized stool sample, then place it directly into the container and submit it to the laboratory.

Laboratory technicians will then perform the appropriate tests based on your clinical needs. Therefore, we encourage everyone to include routine stool examination during regular health check-ups. A normal result at least helps rule out gastrointestinal inflammation, bleeding, or parasitic infection. Conversely, abnormal findings may provide valuable diagnostic clues—for instance, a positive fecal occult blood test may prompt further investigation, leading to the detection of colorectal tumors—even in asymptomatic patients. Hence, we strongly recommend not omitting routine stool examination during health screenings, and emphasize that fasting is unnecessary for this test.