Fecal Analysis in the Diagnosis of Intestinal Dysbiosis
Fecal analysis of the listed components, including triglycerides, chymotrypsin, short-chain fatty acids, beta-glucuronidase, pH, fecal yeast and fecal secretory immunoglobulin A, is considered investigational as a diagnostic test for evaluating intestinal dysbiosis, irritable bowel syndrome, malabsorption, or small intestinal overgrowth of bacteria. Services defined as investigative are not considered medically necessary. The policy was reviewed on 06/03/2026 with no changes.