Filariasis IgG Antibody (Serum) - Screening Test
This blood test checks for antibodies to filarial worms, which are parasites found in certain tropical regions. Antibodies may indicate past or current infection.
["This test helps determine if you’ve been exposed to filarial worms, which can cause serious health issues."]
Key facts at a glance
- LOINC
- 49770-1
- Short code
- Filaria IgG1 Ser IA-aCnc
- Synonyms
- Filaria IgG1 Ser IA-aCnc
- 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
- 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 Is Done
Your healthcare provider may recommend this test if you live in or have traveled to areas where filarial infections are common, or if you have symptoms like swelling, skin rashes, or unexplained fluid buildup. It can also be used as part of a general health screening in high-risk populations.
What to Expect Before the Test
No special preparation is needed. You may have a small needle inserted into your arm to draw blood. The process usually takes a few minutes. If you’re on blood thinners, let your provider know before the test.
What the Test Results Mean
A positive result suggests you may have been exposed to filarial worms, but it doesn’t confirm an active infection. False positives can occur, so follow-up testing may be needed. A negative result means no detectable antibodies were found in this sample.
Common Symptoms of Filarial Infection
Filarial infections often don’t cause symptoms early on. If symptoms develop, they may include swelling in the legs or lymph nodes, skin rashes, or fluid buildup in the abdomen or lungs. These can worsen over time if untreated.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Filariasis IgG antibodies are used primarily for screening and early detection of past or latent infections. While this test can help identify exposure, it’s not a direct measure of current infection status. Early detection is important for managing potential complications, such as lymphatic filariasis or elephantiasis, which can cause long-term disability.
Short name
Filariasis IgG Antibody Screen
Frequently asked questions
How long does it take to get results from this test?
Can I have this test done at home?
What if my test is positive but I don’t have symptoms?
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