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Serum or Plasma Fescue Grass Pollen Immunoglobulin E (IgE) Level

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

This test measures the amount of Immunoglobulin E (IgE), a type of antibody, in your blood that reacts to fescue grass pollen. It helps determine if you may have an allergic reaction to this specific pollen.

Quick summary

["IgE levels can indicate potential allergies to fescue grass pollen, aiding in diagnosis and management of allergic conditions."]

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

Key facts at a glance

LOINC
7364-3
Short code
Meadow Fescue IgG Qn
Synonyms
Meadow Fescue IgG Qn
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

IgE is a protein produced by your immune system in response to allergens, such as pollen. High levels of IgE specific to fescue grass pollen may suggest an allergic sensitivity to this allergen. This test is often used alongside other allergy assessments to identify specific triggers.

Why It’s Done

Your healthcare provider may order this test if you experience symptoms like sneezing, itching, runny nose, or other allergic reactions after exposure to fescue grass pollen. It helps determine whether an allergy exists and guides treatment plans.

How It’s Performed

A blood sample is taken from a vein in your arm. The sample is sent to a lab where it is analyzed to detect the presence of IgE antibodies specific to fescue grass pollen using an immunoassay method.

What to Expect Before or After

No special preparation is needed. You may experience mild discomfort or bruising at the injection site, but this usually resolves quickly. Avoid taking antihistamines before the test if instructed, as they may affect results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

IgE to Fescue Pollen

Frequently asked questions

Does this test require fasting?
No, fasting is not required for this blood test.
How long will I need to wait for results?
Results are typically available within 1 to 3 business days, depending on lab processing times.
Can I take allergy medications before this test?
If your provider instructed otherwise, avoid antihistamines or other allergy medications before the test, as they may influence IgE measurement accuracy.
  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