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Chestnut-Specific Immunoglobulin E (IgE), Total

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

A blood test that measures the total IgE antibodies directed against chestnut allergens to help evaluate possible allergic sensitization.

Quick summary

["A positive result indicates immune sensitization to chestnut, but it must be interpreted alongside symptoms and exposure history."]

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

Key facts at a glance

LOINC
57925-0
Short code
Chestnut IgE/IgE total %
Synonyms
Chestnut IgE/IgE total %
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 measures the total amount of chestnut-specific IgE antibodies in your blood. IgE is an immune-system protein that can react with substances that trigger allergies.

Why might I need this test?

It may be ordered if you have symptoms such as hives, itching, swelling, wheezing, or digestive discomfort after eating chestnuts or being exposed to chestnut products. Your clinician may also use it when evaluating possible food allergy.

How is the test performed?

A blood sample is collected and analyzed in a laboratory for IgE antibodies that recognize chestnut allergens. The test may also be interpreted along with your allergy history and other allergy testing.

How do I prepare for the test?

No special preparation is usually required for this blood test. Tell your clinician about your symptoms, possible exposures, allergies, and medicines, and follow any instructions provided by the laboratory.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Detectable or elevated chestnut-specific IgE may indicate sensitization to chestnut allergens. A positive result does not by itself prove that chestnuts cause your symptoms; the result should be interpreted with the timing of reactions, exposure history, physical examination, and sometimes skin testing or food challenge.

Short name

Chestnut-specific IgE

Frequently asked questions

Does a positive result mean I am allergic to chestnuts?
Not necessarily. It shows that your immune system has produced IgE antibodies that may react to chestnut allergens, so your clinician should interpret it with your symptoms and exposure history.
What symptoms can be related to chestnut allergy?
Possible reactions include hives, itching, swelling, wheezing, vomiting, or abdominal pain. Severe reactions can affect breathing or circulation and require emergency care.
Should I stop eating chestnuts before this test?
Usually you should not deliberately avoid chestnuts unless your clinician instructs you to, because the result is more useful when it can be compared with your usual exposure and symptoms. Seek emergency help for breathing difficulty, faintness, or a rapidly worsening reaction.
  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