Place fresh stool specimen into a Para-Pak C&S transport collection vial. Add sufficient stool specimen to bring the liquid in the vial to the fill line. A single sample is recommended.
If more than one specimen is collected within a 24 hour period, only one will be accepted by the lab.
If submitting a duodenal aspirate, the source must be noted for correct testing.
For more information on Specimen Collection Media/Swab, see Specimen Transport Pictorial.
Detects Cryptosporidium antigen only. Cryptosporidium is one of the most common protozoan parasites encountered in the US and represent 85% of all significant parasites recovered in our laboratory. Therefore, routine O & P screens only for these organisms. This EIA method had a sensitivity and specificity >95% for these two organisms. Only a single sample is recommended. Complete microscopic examination is available but should be reserved for patients who have a history of travel or residency in a developing country, AIDS patients, patients in whom roundworms or tapeworms are suspected, or patients in whom symptoms persist despite a negative test for Cryptosporidium and Giardia. See Ova and Parasites, Special if complete examination is needed.
Duodenal fluid – Giardia, Cryptosporidium and Stongyloides are the typical pathogens seen in the duodenum. See Ova and Parasites, Routine (Giardia/Crypt) in our test reference manual.