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Amylaseigeqn

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

This blood test measures IgE antibodies specific to amylase, an enzyme used to diagnose allergy to amylase found in saliva, pancreatic secretions, and certain foods.

Quick summary

{"A blood test that checks for allergic reaction to amylase enzyme","Used to diagnose amylase allergy in patients with unexplained allergic symptoms","Results help doctors determine if avoidance of amylase-containing foods or medications is needed","Positive result indicates amylase allergy; negative result suggests no significant allergy","Part of comprehensive allergy testing when other causes have been ruled out"}

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

Key facts at a glance

LOINC
7073-0
Short code
Amylase IgE Qn
Synonyms
Amylase IgE Qn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Critical range
— – 500 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?

The Amylase IgE Antibody test is a blood test that measures the level of immunoglobulin E (IgE) antibodies specifically directed against amylase in your blood. Amylase is an enzyme produced in the salivary glands and pancreas that helps break down carbohydrates and starches in food. This test helps determine if your immune system is producing an allergic response to amylase.

Why is this test performed?

Your doctor may order this test if you have symptoms suggesting an allergic reaction but standard allergy tests have not identified a clear cause. Symptoms may include skin rashes, hives, itching, swelling, digestive problems, or respiratory difficulties after consuming foods containing amylase. This test is particularly useful when amylase allergy is suspected, which can be found in certain grains, fruits, and some pharmaceutical preparations.

How is the test performed?

A healthcare professional will draw a blood sample from a vein in your arm. The sample is then sent to a laboratory where it is analyzed to detect and measure the level of amylase-specific IgE antibodies. No special preparation is typically required, though your doctor may ask you to avoid certain medications before the test.

Understanding your results

Results are typically reported as negative or positive, often with a numerical value indicating the concentration of IgE antibodies. A positive result suggests that you have developed IgE antibodies to amylase, which may indicate an amylase allergy. However, the presence of IgE antibodies alone does not always guarantee you will experience symptoms. Your doctor will interpret these results together with your clinical history and symptoms to make an accurate diagnosis.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Is amylase the same as淀粉酶?
Yes, amylase and 淀粉酶 (dàn fěn méi) refer to the same enzyme. Amylase is the English term, while 淀粉酶 is the Chinese term for the enzyme that breaks down starch. The test measures IgE antibodies against this same enzyme regardless of the terminology used.
Do I need to fast before this test?
Typically, no fasting is required for this blood test. However, always follow your doctor's specific instructions, as they may have reasons to request fasting based on your individual health situation.
What foods contain amylase that I should avoid if allergic?
If you test positive for amylase allergy, you may need to limit foods high in amylase including grains (wheat, barley, rye, corn, rice), certain fruits (bananas, grapes, peaches), legumes, and some vegetables. Your allergist can provide a complete list of foods to avoid and guidance on your specific diet.
Can this test be done on children?
Yes, this test can be performed on children. It is considered safe and involves only a standard blood draw. The test may be recommended for children with unexplained allergic symptoms who have not responded to standard allergy treatments.
How long does it take to get results?
Results typically take 2-5 business days, depending on the laboratory. Your doctor will contact you with results or discuss them at a follow-up appointment.
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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