Serum/Plasma Immunoassay for Veronal Buffer Neutralizing Antibodies (IgG) – Grass Pollen
This test measures the level of antibodies in your blood that may react to proteins found in veronal grass pollen. It helps assess your immune response to grass allergens.
["This test helps diagnose or monitor allergic reactions to grass pollen."]
Key facts at a glance
- LOINC
- 99464-0
- Short code
- Sw Vernal grass IgG-mCnc
- Synonyms
- Sw Vernal grass IgG-mCnc
- 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
What This Test Measures
The test detects specific IgG antibodies produced by your immune system in response to exposure to veronal grass pollen. These antibodies are part of your body’s immune defense mechanism and can indicate past or current sensitization to grass allergens.
Why It’s Done
A healthcare provider may order this test if you have symptoms like sneezing, itching, or other allergic reactions after exposure to grass pollen, or if you’ve been diagnosed with grass pollen allergy and want to track your immune response.
Sample Collection and Preparation
A blood sample is drawn from a vein in your arm. The blood is processed to separate serum or plasma, which is then tested for the presence of specific antibodies using an immunoassay method.
What to Expect Before the Test
No special preparation is usually needed, but inform your healthcare provider about any medications you’re taking or recent illnesses that might affect your immune response.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated levels of these antibodies suggest an allergic reaction to grass pollen, which can help confirm a diagnosis of grass pollen allergy. This test is often used alongside other allergy testing methods, such as skin prick tests or specific IgE antibody tests, to guide treatment decisions like allergy immunotherapy.
Short name
IgG Antibodies to Veronal Grass Extract
Frequently asked questions
What does a positive result mean?
What does a negative result mean?
How often should I get this test?
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