Echinococcus IgG Antibody (Serum) – Quantitative
This test measures the level of antibodies in your blood that your immune system produces in response to *Echinococcus* parasites, which can cause infections like hydatid disease.
["Detects past or ongoing exposure to parasitic worms that may affect organs like the liver or lungs."]
Key facts at a glance
- LOINC
- 53369-5
- Short code
- Echinococcus IgG1 Ser-aCnc
- Synonyms
- Echinococcus IgG1 Ser-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82784
- 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
Why This Test Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms like abdominal pain, unexplained weight loss, or organ-related issues (e.g., liver, lungs) that could be linked to a parasitic infection. It’s also used in monitoring treatment for known cases of hydatid disease.
What to Expect Before the Test
No special preparation is needed. You’ll provide a blood sample, usually drawn from your arm. The test is quick and typically done in a lab setting. Avoid alcohol or certain medications for 24 hours before testing if instructed by your provider.
What the Test Results Mean
Results are qualitative (positive/negative) or quantitative (measured in antibody units), indicating whether your immune system has detected past or current exposure. A positive result suggests exposure to the parasite, but it doesn’t confirm an active infection without further evaluation.
Possible Causes of Positive Results
A positive IgG result may occur if you’ve had prior exposure to *Echinococcus* parasites, even if symptoms are no longer present. It can also be found in people who have received treatment for hydatid disease.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test helps diagnose or monitor *Echinococcus* infections, which can cause serious complications if untreated. While IgG antibodies indicate past or ongoing exposure, additional tests (e.g., imaging, clinical symptoms) are needed to confirm active disease. It’s not a standalone diagnostic tool but supports broader evaluation.
Short name
IgG Antibody to Echinococcus (Serum)
Frequently asked questions
What does a positive result mean for my health?
Can I get this test at home?
How long will it take to get my results?
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