Test library
Brome Grass Antibody Test
A brome grass allergy test measures IgE antibodies against brome grass pollen. It helps identify seasonal pollen sensitization behind sneezing, itchy eyes, and nasal congestion.
Order Brome Grass Allergy Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Brome Grass Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The brome grass allergy test is a blood test that measures immunoglobulin E antibodies against pollen from brome grass. Grasses release large amounts of airborne pollen during their season, and sensitive people may notice sneezing, itchy or watery eyes, a runny nose, or asthma symptoms when levels rise. The test shows whether sensitization is present and is interpreted alongside your symptom pattern and other grass pollen results.
What this test measures
Brome grass is a group of grasses found in fields, roadsides, and lawns, and its pollen becomes airborne during the growing season. Grass pollen is one of the most common triggers of seasonal allergic rhinitis, often called hay fever. Because many grasses release pollen around the same time, people may react to several species rather than just one.
The test measures allergen-specific IgE in serum using a laboratory immunoassay. A single blood sample is collected, and the laboratory reports the brome grass pollen antibody level along with a reactivity class. Grass pollens share a number of allergens, so brome grass results are commonly reviewed together with tests for other grasses, such as timothy or Bermuda grass, to describe the overall pattern.
A positive result shows sensitization, not a certainty that grass pollen causes your symptoms. Seasonal timing, local pollen counts, and individual sensitivity all affect how someone feels. A qualified healthcare provider interprets the finding with your history and may discuss additional evaluation. People with significant breathing symptoms should seek medical advice.
- Brome grass pollen-specific IgE antibodies
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for brome grass pollen
- Grass pollen allergen components, including group 1 and group 5
- Cross-reactive grass pollen allergens
Why people order this test
- Investigate seasonal sneezing and itchy, watery eyes
- Assess grass pollen sensitization during peak season
- Support a broader seasonal allergy workup
- Compare reactivity across several grass species
- Provide objective information before discussing seasonal measures with a provider
- Follow up on nasal or asthma symptoms that worsen outdoors
How to prepare
No fasting is needed for this test. A blood sample is collected from a vein, usually at the arm. Follow any instructions provided by the laboratory regarding timing or current medications.
Understanding your results
Results are generally available within one to three business days. The report shows the specific IgE level and a reactivity class for brome grass pollen. An elevated value indicates sensitization, and only a healthcare provider can interpret it in the context of your symptoms and seasonal exposure.
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Frequently Asked Questions
What is brome grass allergy?
It is sensitization to pollen released by brome grasses. Symptoms can include sneezing, itchy eyes, a runny nose, and sometimes asthma.
When does brome grass release pollen?
Brome grass typically pollinates during the warmer growing season, though timing varies by region and climate.
Can I be allergic to several grasses at once?
Yes. Grasses share many allergens, so people often react to more than one species. Testing several grasses helps describe the pattern.
Do I need to fast before the test?
No. Fasting is not required for this blood test unless it is combined with another panel that calls for it.
What does a positive result mean?
A positive result indicates sensitization to grass pollen. A healthcare provider interprets it with your symptoms and seasonal timing.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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