Immunoglobulin G (IgG) to Porcine (Pig) Antibody Levels in Fetal Serum
This test measures antibodies in your baby’s blood that target proteins from pigs. It helps check if your baby’s immune system has developed protection against pig-derived substances, which may be relevant in certain medical conditions or exposures.
["Assesses fetal immune response to pig-specific antigens in serum samples."]
Key facts at a glance
- LOINC
- 88184-7
- Short code
- IgG+IgM.porcine Plr Fetus Ql ID
- Synonyms
- IgG+IgM.porcine Plr Fetus Ql ID
- Category
- chemistry
- Sample
- fluid
- Container
- Sterile tube
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- immune-diffusion
- CPT
- 86430
- Specimen volume
- 2-5 mL
- Stability
- Room temperature: 2h, Refrigerated: 24h
- Hemolysis max
- 300
- TAT
- 4–24 hours
- Order
- routine
Why This Test Might Be Ordered
Your healthcare provider may recommend this test if you have a history of exposure to pig proteins, certain genetic conditions, or if your baby shows signs of immune-related issues. It could also be part of a broader evaluation for conditions like congenital immunodeficiency or suspected fetal infections.
What to Expect Before the Test
No special preparation is typically needed. Your baby’s blood sample will be collected during a routine prenatal visit or through a minor procedure like a heel stick. The sample is taken from fetal serum, often obtained via amniocentesis or cord blood sampling.
What the Test Results Mean
Results are interpreted based on whether detectable levels of pig-specific antibodies are present. Elevated or unusual levels may indicate an immune response, while absent levels could raise questions about fetal immune development or potential exposure.
Common Reasons for Testing
This test is less common but may be used in specific cases, such as monitoring babies born to mothers with known pig protein sensitivities, evaluating suspected immune deficiencies, or investigating unexplained fetal complications.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: This test helps identify immune responses to pig-derived antigens in fetal circulation. Elevated levels may suggest an adaptive immune reaction, while low or absent levels could warrant further investigation into immune function or exposure history. Results are used to guide medical management and monitor fetal health.
Short name
IgG to Pig Antibody Test (Fetal Serum)
Frequently asked questions
What does a positive result mean?
How is this test different from standard IgG tests?
Can this test be done on adult blood instead?
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