Stool. Recommended collection: 3 separate stool specimens within a 5-7 day period (an individual order must be submitted for each specimen).

Transfer 2 g of stool at room temperature within one hour of collection (Min: 1 g).

Indicate suspected parasites.

Patient Preparation: Specimens analyzed to determine the efficacy of treatment should be collected three to four weeks after completion of therapy. Antibiotics may affect results of exam.

Ambient: 9 months; Refrigerated: 9 months; Frozen: Unacceptable

Rectal swabs. Multiple specimens, specimens preserved in SAF (sodium acetate formalin), specimens containing barium, bismuth or urine.