Test library
Ovalbumin Specific IgE Test
An Ovalbumin allergy blood test measures IgE antibodies against a major egg white protein. It helps assess egg white sensitization and is useful when egg allergy is being evaluated.
Order Ovalbumin Allergy Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Ovalbumin Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Ovalbumin allergy test uses a blood sample to measure immunoglobulin E antibodies against ovalbumin, one of the main proteins in egg white. Egg allergy is most common in young children, and ovalbumin is a frequent target of the immune response. The test helps show whether sensitization to this protein is present and is interpreted with the person's history.
What this test measures
Egg white contains several proteins, and ovalbumin is the most abundant. It is one of the components most often responsible for allergic reactions to egg. Because ovalbumin can also be present in some vaccines, people with a known egg allergy may have questions about this protein in medical settings, which a healthcare provider can address.
The test measures allergen-specific IgE in serum using a laboratory immunoassay. A single blood draw is enough, and the laboratory reports the ovalbumin-specific IgE level together with a reactivity class. Results are often reviewed alongside tests for ovomucoid and other egg components to build a fuller picture of egg allergy.
A positive result indicates that the immune system has made antibodies against ovalbumin. It does not confirm that eating egg will cause a reaction, since sensitization is not the same as clinical allergy. A qualified healthcare provider interprets the finding with the person's symptoms, diet history, and any other testing.
- Ovalbumin-specific IgE antibodies
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for ovalbumin
- Ovomucoid-specific IgE when included
- Egg white component allergen panel
Why people order this test
- Evaluate a suspected egg allergy in a child or adult
- Assess egg white sensitization alongside other food allergy tests
- Help distinguish responses to different egg white proteins
- Provide context before discussing dietary choices with a provider
- Follow up on a reaction that occurred after eating egg
- Support evaluation when egg avoidance is being considered
How to prepare
No fasting is required for this test. A blood sample is collected from a vein, usually at the arm. Follow any instructions provided by the laboratory if the test is part of a larger allergy panel.
Understanding your results
Results are generally reported within one to three business days. The report shows the ovalbumin-specific IgE level and a reactivity class. An elevated value indicates sensitization, and a qualified healthcare provider can explain what it means for the individual.
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Frequently Asked Questions
What is ovalbumin?
Ovalbumin is the most abundant protein in egg white and a common target of allergic antibodies in people with egg allergy.
How is the test done?
A small blood sample is drawn from a vein and analyzed for IgE antibodies that react to ovalbumin.
Is a positive result the same as an egg allergy?
No. A positive result shows sensitization. Whether eating egg causes symptoms depends on the person, which is why the result is interpreted with the clinical history.
Should I fast before the test?
Fasting is not required for this test unless it is combined with other tests that need it.
Why test for ovalbumin specifically?
Ovalbumin is one of the main egg white allergens, so measuring it can help characterize egg sensitization alongside other egg component tests.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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