Sample must be shipped frozen to reduce odor during shipping and to minimize the risk of the container rupturing due to gas accumulation.
10 mL liquid stool
Plastic screw-cap container
Plastic leak-proof container
Submit frozen sample of liquid feces. Keep refrigerated during collection. Liquid stool is the only acceptable specimen for this test. 10 mL aliquot of 24-hour, 48-hour, or 72-hour liquid stool specimens are acceptable.
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days
Specimens in paint cans • Formed stool • Specimen received refrigerated