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Oat Pollen-Specific IgE, Qualitative (Deprecated Test)

Published: August 9, 2026Updated: August 17, 2026

A qualitative test for IgE antibodies directed against oat pollen. A positive result can indicate pollen sensitization but must be interpreted with allergy symptoms and medical history.

Quick summary

["A positive result suggests your immune system reacts to oat pollen, but it does not by itself confirm a clinical allergy."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
15887-3
Short code
Deprecated Oat Poln IgE RAST Ql
Synonyms
Deprecated Oat Poln IgE RAST Ql
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
10
Ref high
40
Critical range
— – 500 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
84484
SNOMED
302774002
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 is this test?

This test looks for IgE antibodies that react to oat pollen. It is reported as positive or negative rather than as a measured antibody concentration.

Why might I need this test?

Your clinician may order it to evaluate possible allergy symptoms such as sneezing, watery eyes, nasal congestion, or wheezing after exposure to oats or oat pollen. It may also help distinguish sensitization from other causes of symptoms.

How is the test performed?

A submitted sample is analyzed in a laboratory for an immune response to oat pollen. The abbreviated test information does not clearly identify the specimen or laboratory method, so confirm these details with the ordering clinician.

How do I prepare for the test?

This type of test usually does not require fasting, but preparation can vary by the method used. Ask the clinician whether any medicines, particularly antihistamines, should be adjusted, and do not stop medication without instructions.

Reference range

Adult: 10-40 U/LN/A

Specimen: serum

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

A positive result indicates sensitization to oat pollen and may support a diagnosis of pollen allergy when it matches the person's exposure history and symptoms. A negative result makes allergy less likely but does not completely exclude it. The result does not indicate the severity of possible reactions.

Short name

Oat pollen IgE test

Frequently asked questions

Does a positive result mean I am allergic to oat pollen?
It means antibodies directed against oat pollen were detected, which is called sensitization. Your clinician must interpret this together with symptoms and exposure history to determine whether you have a clinical allergy.
Can I react to oats even if this test is negative?
Yes. Some people have symptoms to oat-containing foods or inhaled oat dust without a detectable IgE response, and reactions can also be caused by conditions other than allergy.
Do I need to stop taking allergy medicine before the test?
Do not stop any medicine unless your clinician instructs you to. Medication requirements depend on the exact specimen and method, so ask the laboratory or ordering clinician whether antihistamines or other medicines could affect the result.
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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 17, 2026. · Read our editorial policy