Fecal examination (fat, muscle fibers, occult blood, starch)
Days test started:
Specimen Type/Volume2 g fresh feces.
Shipping InformationShip in insulated container with freezer packs.
Collection ProtocolLeak proof container (whirl-pak, or screw-top preferred).
Foods such as red meat, along with drugs such as corticosteroids, NSAIDs, chemotherapeutic reagents, and antiseptic preparations may cause false-positive fecal occult blood results. Vitamin C may cause a false-negative result.