Test guide
Ova and Parasite Test
An ova and parasite test looks for intestinal parasites and their eggs (ova) by checking a sample of your stool (poop) under a microscope. The test is also called an O&P.
What it is for
An ova and parasite test is used to see if intestinal parasites are causing symptoms that appear to be from an intestinal infection. This information helps your health care provider know how to treat your illness. The test may also be used to see if treatment for intestinal parasites is working. Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Limitations
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also known as
- parasitic examination (stool), stool sample exam, stool O&P, fecal smear, egg cyst
Reviewed products
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