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Schistosoma antibody screening (serum/plasma)

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

This test detects antibodies in your blood that may indicate past or current exposure to *Schistosoma* parasites, which can cause infections like schistosomiasis.

Quick summary

["Helps identify potential exposure to parasitic worms linked to chronic health risks."]

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

Key facts at a glance

LOINC
6629-0
Short code
Schistosoma Ab Ser Ql IA
Synonyms
Schistosoma Ab Ser Ql IA
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ia
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 This Test Measures

The test looks for antibodies (proteins your immune system produces) against *Schistosoma* parasites. These antibodies can appear after infection, even if symptoms are mild or absent. The presence of these antibodies suggests exposure, but they don’t confirm an active infection at the time of testing.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you’ve lived in or traveled to regions where schistosomiasis is common, or if you have symptoms like skin rashes, fatigue, or unexplained infections. It’s also used in screening for people at higher risk, such as those with occupational exposure.

What to Expect Before the Test

No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood. The process takes about 5 minutes, and you can resume normal activities afterward.

What to Expect After the Test

You may feel slight discomfort or bruising at the injection site, which usually goes away within a day. Report any unusual swelling, pain, or signs of infection (like redness or fever) to your provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Positive results indicate exposure to *Schistosoma* parasites, which can lead to chronic inflammation, organ damage, or other health issues over time. While antibodies suggest past or lingering exposure, they don’t always correlate with current symptoms. Further testing may be needed to diagnose an active infection or guide treatment.

Short name

Schistosoma Antibody Screen

Frequently asked questions

What does a positive result mean?
A positive result means your blood contains antibodies against *Schistosoma* parasites, likely from past exposure. This doesn’t always mean you’re currently infected, but it signals a need for further evaluation, especially if you live in or traveled to high-risk areas.
Can I get treated if my test is positive?
If your test is positive and you have symptoms like skin rashes, fatigue, or unexplained infections, your provider may recommend additional tests to check for active infection. Treatment depends on the results and your symptoms, but it’s not always necessary for antibody-only findings.
How long do antibodies stay in my blood?
Schistosoma antibodies can remain in your blood for years after infection, sometimes even decades. Their presence doesn’t guarantee an active infection but may indicate past exposure that could affect long-term health.
  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