A fecal fat test measures the amount of fat in a person’s stool. The test assesses the digestive function and absorption of fat in the gastrointestinal tract. Several medical conditions cause poor fat ...

If you are having digestive symptoms, your doctor may prescribe an at-home stool test, in which you collect stool samples and send them to a lab or bring them to your doctor’s office for analysis.

Occult blood refers to small traces of blood that a person cannot see in their stool. The presence of blood in the stool could be a sign of an underlying condition. Health experts often use this test ...