Skip to content

Schistosoma antibody screen (serum/plasma)

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

This test detects antibodies to the parasites that cause schistosomiasis, a parasitic infection spread through freshwater contact. Antibodies may appear after infection or exposure.

Quick summary

["Helps diagnose or monitor potential schistosomiasis exposure."]

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

Key facts at a glance

LOINC
7693-5
Short code
Schistosoma IgE Qn
Synonyms
Schistosoma IgE Qn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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

This blood test measures the levels of a specific substance in your blood, such as a protein, hormone, enzyme, or other marker your body produces. Your doctor uses these measurements to better understand how certain organs and systems are working and to look for signs of conditions that may need further evaluation or treatment.

The test looks for specific antibodies in your blood that the immune system produces in response to *Schistosoma* parasites. These antibodies can indicate past or current infection, though they may not appear immediately after exposure.

Your doctor may order this test as part of a routine checkup, to help investigate symptoms you have been experiencing, to monitor a known medical condition, or to check how well a treatment is working. The results help your care team make informed decisions about your diagnosis and the next steps in your care plan.

Your healthcare provider may recommend this test if you’ve had contact with freshwater where schistosomiasis is common, have symptoms like fever, rash, or gastrointestinal issues, or live in regions with high parasite prevalence.

Before your test, a member of your care team will explain the procedure and answer any questions you may have. A healthcare professional will clean the skin at the inside of your elbow or the back of your hand, place a snug band around your upper arm, and gently draw a small sample of blood using a thin needle. The entire process usually takes only a few minutes.

No special preparation is needed. You’ll provide a blood sample (usually from a vein in your arm) during a routine office visit or lab visit. The process takes a few minutes.

After the blood sample is collected, the needle will be removed and a small bandage or cotton pad will be placed over the puncture site. You may be asked to apply gentle pressure for a minute or two to reduce the chance of bruising. You can usually return to your normal activities right away, and your results will be reviewed with you once they are ready.

You may experience mild bruising or soreness at the injection site, which usually fades within a day. Report any unusual symptoms like excessive bleeding or swelling to your provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Positive results suggest past or current schistosomiasis infection, which can cause chronic health issues like kidney or bladder damage. Negative results mean no detectable antibodies, but infection may still exist without antibodies (e.g., early or asymptomatic cases). Follow-up testing or treatment may be advised based on clinical context.

Short name

Schisto Antibody Screen

Frequently asked questions

Can this test detect active infection?
No, this test primarily detects antibodies, which may appear days to months after infection. Active infection is often diagnosed with other tests (e.g., stool or urine exams for parasite eggs).
How soon after exposure might I get positive results?
Antibodies typically develop within weeks to months after exposure, but timing varies. Early infections may not show antibodies for months.
Does this test require fasting?
No fasting is required for this blood test, so you may eat and drink as you normally would before your appointment, including drinking water, unless your doctor gives you different instructions.
  1. 1
  2. 2
  3. 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.

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