Schistosoma mansoni antibody, serum/plasma (qualitative immunoassay)
This test detects antibodies to the parasite *Schistosoma mansoni*, which causes a parasitic infection called schistosomiasis. Antibodies may appear in your blood after infection.
["This test helps diagnose past or current infection with *Schistosoma mansoni* by identifying your immune system’s response to the parasite."]
Key facts at a glance
- LOINC
- 41424-3
- Short code
- S mansoni Ab Spec Ql IB
- Synonyms
- S mansoni Ab Spec Ql IB
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ib
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
What does this test measure, and what can the results tell me and my doctor about my overall health and any conditions that may need attention?
The test looks for antibodies (proteins produced by your immune system) against *Schistosoma mansoni*, a parasitic worm that can live in freshwater environments. These antibodies indicate whether you’ve been exposed to the parasite, even if you don’t have active symptoms.
How is the sample collected, and what should I expect during the blood draw, including how long it takes and whether it may cause any discomfort?
A blood sample is drawn from a vein in your arm by a healthcare professional. You may feel a slight pinch, but it usually doesn’t cause discomfort afterward.
Why might my doctor order this test, and what kinds of conditions, infections, or health concerns can it help detect, monitor, or rule out?
Your doctor may recommend this test if you live in or traveled to regions where *Schistosoma mansoni* is common, or if you have symptoms like skin rashes, itching, or digestive issues that could be linked to infection.
What are the common symptoms that might lead my doctor to recommend this test, such as fatigue, fever, pain, swelling, or other noticeable changes in how I feel?
Symptoms of schistosomiasis may include skin irritation, fever, fatigue, abdominal pain, or diarrhea. Some people have no symptoms at all, even if infected.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: This test is primarily used for screening or confirming a diagnosis of past exposure to *Schistosoma mansoni*. While antibodies suggest exposure, they don’t always indicate active infection. A positive result should prompt further evaluation, including additional tests or medical consultation.
Short name
Schistosoma mansoni Antibody (Qualitative)
Frequently asked questions
Can this test detect an active infection?
How soon after exposure might I get a positive result?
Does this test require fasting?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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