OVA AND PARASITES COMPLETE EXAMINATION
Concentration
Trichrome stain
NOTE:				The complete ova and parasites exam may be useful when there is persistent diarrhea, with a negative ova and parasite screen test for Giardia and Cryptosporidium, especially when the patient has recently traveled or resided outside the United States. Call Laboratory Customer Service (314-454-4161) to request this test.
NOTE:				Specify cyclospora and microsporidia if it suspected.
	Test Performed At:
			St. Louis Children’s Hospital
	Specimen Required:
	SUBMIT ONLY 1 OF THE FOLLOWING SPECIMENS:
			Formalin and PVA-Preserved Stool
			Place enough stool in the PVA and formalin containers to bring the liquid level up to the “Fill-to-here” line. PVA and formalin preservative containers are supplied by St. Louis Children’s Hospital. Send specimen at ambient temperature only.
	OR if “in-patient” submit:
			Fresh Stool if received in the laboratory within 1 hour of collection
			1.0 g of stool in a screw-capped, sterile container. Maintain sterility and forward promptly at ambient temperature only.
			Unacceptable specimens:		Specimens containing barium Specimens submitted on swabs Specimens submitted in diapers Specimens submitted on Inpatients >3 days old
			Frequency:		Only 1 specimen per day should be collected for up to 3 days
	Laboratory Notes:
			Order in Cerner per physician’s request.
	Reference Values:
			Negative
	Day(s) Test Set Up:
			Monday - Friday
	Cut-Off Time:
	Turn Around Time
			3 days
	CPT Code:
			87177 - parasitic exam
			87209 - trichrome stain
	KIDDOS Order Name:
		Ova and Parasite Complete
	Cerner Order Name:
		P OP

Last update 1/09