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Serum Immunoassay Panel for Multiple Grass Allergens (Screening)

Published: August 9, 2026Updated: August 16, 2026

This test measures levels of specific antibodies in your blood that react to common grass pollen allergens. It helps determine if you may have an allergic reaction to grasses like timothy, orchard, sweet vernal, and other common types.

Quick summary

["This screening helps identify potential grass pollen allergies before symptoms like sneezing, itching, or respiratory issues occur."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
15230-6
Short code
Grass Allerg Mix C IgE Ql
Synonyms
Grass Allerg Mix C IgE Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
multidisk
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 the presence of Immunoglobulin E (IgE) antibodies specific to multiple grass pollen allergens. IgE is a type of antibody that your immune system produces in response to allergens, often triggering allergic reactions.

Why It’s Done

Your healthcare provider may recommend this test if you experience symptoms like sneezing, itchy eyes, runny nose, or wheezing during certain times of the year, particularly when grass is blooming. It can also be used to assess exposure to grass allergens in environments like outdoor work or gardening.

How the Test Works

A small blood sample is drawn, and the serum is tested using immunoassay methods to identify IgE antibodies against grass allergens. This method is highly sensitive and can detect very low levels of these antibodies.

What to Expect Before the Test

There are no special preparations needed for this test. You may have a mild sting from the needle when blood is drawn, but this usually fades quickly. If you’re on blood-thinning medication, let your provider know before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Positive results indicate a likely allergic reaction to grass pollen. This can guide treatment options such as allergy immunotherapy (allergy shots) or avoiding exposure to grass. Negative results suggest no significant allergic response to these allergens, but other allergens or conditions may still be contributing to symptoms.

Short name

Grass Allergy Screen

Frequently asked questions

What Does a Positive Result Mean?
A positive result means your immune system is producing IgE antibodies to grass allergens, which may lead to allergic reactions. This doesn’t mean you’ll always have symptoms, but it confirms your body’s sensitivity to these allergens.
Can I Still Be Allergic Even If Results Are Negative?
Yes, a negative result means your blood doesn’t show detectable IgE antibodies to these specific grass allergens. However, allergies can be complex, and other allergens or environmental factors may still trigger symptoms. Follow-up testing or allergy evaluation may be recommended.
How Often Should I Get This Test?
This test is typically done as a screening tool. If you have ongoing allergy symptoms, your doctor may recommend retesting after a few months or if symptoms change. Regular follow-ups with an allergist can help monitor your condition.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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