Lab test

Ovalbumin Allergy Test - Egg White Allergy

An ovomucoid allergy test uses a blood sample to measure allergen-specific IgE antibodies against ovomucoid, one of the major proteins found in egg white.

Typical price

From $49

Results

1-3 business days

Preparation

See preparation notes below

Sample

Blood draw or sample collection at a local center

An ovomucoid allergy test uses a blood sample to measure allergen-specific IgE antibodies against ovomucoid, one of the major proteins found in egg white. Ovomucoid is relatively heat-stable, so it is often considered when reactions occur even after egg has been cooked. The test is a screening tool for suspected egg allergy rather than a diagnosis on its own. A provider may order it after a reaction to eggs, or alongside egg white and ovalbumin testing for a more detailed picture. Results are interpreted with symptoms and medical history.

• Ovomucoid-specific IgE Antibodies produced against ovomucoid, a major protein in egg white; used to assess sensitization to this specific egg protein.

• People who develop hives, itching, or swelling after eating eggs
• Individuals with reactions to cooked or baked egg-containing foods
• Those with digestive upset, vomiting, or diarrhea after egg
• People with a positive egg white test who need component-level detail
• Anyone being evaluated for persistent egg allergy symptoms

• No fasting is required for this IgE allergy test
• The blood sample can be collected at any time of day
• Tell the provider about all medications you take
• No special diet is needed beforehand

Results are reported as an IgE level or class for ovomucoid. An elevated value may indicate sensitization to this egg white protein, but a positive result alone does not confirm a clinical allergy. A low or undetectable level makes reactivity to ovomucoid less likely, though it does not rule out allergy to other egg proteins such as ovalbumin. Because ovomucoid is relatively heat-stable, it is often considered when cooked egg triggers symptoms. Discuss results with a healthcare provider.

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