Parasite Identification, Worm Test
This test examines a submitted specimen for a suspected worm or other parasite and identifies the organism recovered. Quest describes the result as useful in evaluating certain parasitic infections, since the type of parasite involved shapes how symptoms are read.
About this test
The test looks for an intact parasite — a nematode (roundworm), cestode (tapeworm), trematode (fluke), or another type — recovered in an adult, immature, or larval form from the specimen submitted. The specimen is collected in a sterile, leak-proof container and examined using microscopic and macroscopic techniques together with conventional identification methods.
Quest notes that symptoms linked to parasitic infection vary depending on which type of parasite is involved, so identifying the specific organism recovered is part of how some parasitic conditions are worked up. Because the result depends on what is physically present in the specimen, its usefulness follows from what was collected and submitted for examination.
Who might consider this test?
- People who consider this test typically have a suspected worm or parasite specimen — passed
- Otherwise obtained — that a clinician wants formally identified
Test details
| Collection | Quest patient service center |
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Quest resources
Additional details
What this test looks at
The test reports a single identification: which parasite, if any, is recovered and confirmed from the specimen. Quest lists it under names such as Parasite ID, Intestinal Parasite ID, Roundworm ID (Intestinal), Tapeworm ID (Intestinal), Trematode and Worm ID, reflecting the different specimen types and parasite groups the method can identify.
This test isn't part of the Celio Health store at the moment, so it can't be ordered or requested here. The test menu lists everything that can.
Laboratory results should always be interpreted by a licensed clinician who knows your health history. This page is information about a test, not medical advice.
Frequently asked questions
What does this test measure?
It identifies an intact parasite — nematode, cestode, trematode, or another type — recovered in adult, immature, or larval form from a submitted specimen.
How is the sample collected?
A suspected worm or parasite specimen is collected in a sterile, leak-proof container for examination.
Do I need to prepare for this test?
No preparation instructions are listed for this test, though people follow any instructions their ordering clinician provides.
What other names is this test listed under?
Quest lists it under several names, including Parasite ID, Intestinal Parasite ID, Roundworm ID (Intestinal), Tapeworm ID (Intestinal), Trematode and Worm ID, depending on the specimen and parasite type involved.