Ova and Parasites, Concentration details
What Ova and Parasites, Concentration shows
Ova and parasites (O&P) testing looks for intestinal parasites and their eggs (ova) in a stool sample. In the concentration step, the sample is processed to separate parasites from debris and gather any eggs, larvae and cysts into a small amount of material, making small numbers easier to see. It is used when symptoms such as ongoing diarrhea, abdominal pain or travel history raise concern about parasites. A positive result identifies the parasite seen. Because parasites can be shed on and off, a single negative sample does not exclude infection, and more than one sample may be advised. It is read with the permanent stained smear.
Tests that include Ova and Parasites, Concentration
This test detects giardia antigen in stool. Giardia’s identification is important for infection control and for treatment of giardiasis.
- Giardia lamblia Antigen A stool test that detects Giardia antigen, used to look for giardiasis, an intestinal parasite infection that causes diarrhea.
- Ova and Parasites, Concentration A concentration step in stool parasite testing that gathers parasite eggs, larvae and cysts so they are easier to find under the microscope.
Diseases caused by human parasites remain, on a worldwide basis, among the principal causes of morbidity and mortality. Correct diagnosis of intestinal parasitic infection depends on proper collection, transport, detection, and identification of parasites in stool specimens. Symptoms range from malaise to death. Treatment is dependent upon examining multiple stool specimens due to the erratic shed rates of some parasites.
- Ova and Parasites, Concentration A concentration step in stool parasite testing that gathers parasite eggs, larvae and cysts so they are easier to find under the microscope.
- Ova and Parasites, Trichrome Stain A permanent trichrome-stained stool smear used to identify intestinal protozoa, such as Giardia, during ova and parasite testing.
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