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Serum Immunoassay Panel for Common Grass Allergens (Screening)

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

This blood test measures your immune system’s response to common grass pollen allergens. It helps determine if you may have an allergic reaction to grasses like timothy, orchard, or redtop.

Quick summary

["A simple blood test to check for grass pollen allergies that may cause symptoms like sneezing or itchy skin."]

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

Key facts at a glance

LOINC
82101-7
Short code
Grass Allerg Mix 6 IgE Qn
Synonyms
Grass Allerg Mix 6 IgE Qn
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 levels of Immunoglobulin E (IgE) antibodies specific to various grass allergens. IgE is a protein your body produces in response to allergens, signaling your immune system to react. This panel typically includes allergens like timothy, orchard grass, and redtop grass.

Why You Might Need This Test

Your healthcare provider may recommend this test if you experience symptoms like sneezing, itchy eyes, runny nose, or skin reactions after exposure to grass. It’s also used to confirm allergies before planning treatments like allergy shots or avoiding certain grasses.

How the Test Works

A small blood sample is taken from your arm and sent to a lab. The lab uses an immunoassay method to detect IgE antibodies against grass allergens. The results help identify which specific grasses you may be allergic to.

Common Symptoms to Watch For

Allergies to grass can cause symptoms such as seasonal allergies (hay fever), skin rashes, asthma-like breathing issues, or even more severe reactions in rare cases. If you notice these symptoms during grassy seasons, this test may be useful.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Grass Allergy IgE Screening

Frequently asked questions

How long will I need to wait for my results?
Results are typically available within 1–3 business days. Your doctor will discuss the findings with you during your follow-up visit.
What does a positive result mean?
A positive result indicates elevated IgE levels specific to grass allergens, suggesting a possible allergy. However, further testing or a skin prick test may be needed to confirm and identify exact triggers.
Can I take anything before the test?
No special preparation is needed. However, avoid antihistamines (like Benadryl) 2–3 days before the test, as they may affect results.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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