Exocrine pancreatic insufficiency (EPI) causes clay-colored, greasy stools that smell foul. A stool test to check for low levels of the elastase enzyme can help diagnose the condition. The pancreas ...
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 ...