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Taenia solium egg antigen detection (stool probe)

Published: August 9, 2026Updated: August 16, 2026

This test checks for the presence of eggs from the pork tapeworm (*Taenia solium*) in your stool. It helps diagnose infection caused by consuming undercooked pork or contaminated food.

Quick summary

["This test helps identify if you have a tapeworm infection that may require treatment."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
23451-8
Short code
Taenia Eggs Stl Ql Probe
Synonyms
Taenia Eggs Stl Ql Probe
Category
chemistry
Sample
stool
Container
Clean container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe
Specimen volume
5 g
Stability
Refrigerated: 24h, Frozen: 7d
TAT
4–24 hours
Order
routine

Why This Test Matters

Tapeworm infections, including those caused by *Taenia solium*, can occur if you eat contaminated food or drink water with parasite eggs. This test detects eggs in your stool, which can confirm an infection. Early diagnosis is important to prevent complications like neurological issues or severe intestinal problems.

How the Test Works

Your stool sample is analyzed using a specialized probe to detect specific proteins or antigens from *Taenia solium* eggs. This method is highly sensitive and can identify even small amounts of the parasite.

What to Expect Before the Test

No special preparation is needed for this test. You may be asked to collect a fresh stool sample in a provided container. Follow any instructions your healthcare provider gives you to ensure accuracy.

What to Expect After the Test

After the test, you’ll receive results from your healthcare provider. If the test is positive, further evaluation may be needed to confirm the diagnosis and guide treatment.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Taenia solium egg test

Frequently asked questions

What does a positive result mean?
A positive result strongly suggests you have an active *Taenia solium* infection. This infection can cause symptoms like abdominal pain, diarrhea, or weight loss, though many people have no symptoms. Treatment with antiparasitic medication is usually recommended to clear the infection.
What does a negative result mean?
A negative result means the test did not detect eggs of *Taenia solium* in your stool at the time of testing. However, it’s possible you have an infection without eggs in your stool, or the infection may be in an early stage. Your healthcare provider may recommend retesting or other diagnostic methods if needed.
Can this test detect other parasites?
No, this test specifically looks for *Taenia solium* eggs. If you suspect another type of infection, your healthcare provider may order a different test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy