Test library
Halibut-Specific IgE Panel
A blood test that measures IgE antibodies to halibut, a firm white flatfish, to help identify a fish allergy when seafood meals trigger reactions.
Order Halibut 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 Halibut Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
This test detects IgE antibodies that bind to halibut proteins in a blood sample. It is used when symptoms such as itching, hives, or swelling appear after eating halibut or related fish. A qualified healthcare provider interprets the report together with your full detailed exposure history.
What this test measures
Halibut is a flatfish with firm white flesh, and its proteins can trigger IgE-mediated reactions in susceptible people. Parvalbumin, a calcium-binding muscle protein, is the major fish allergen and is present across many species. The test measures antibodies produced specifically against halibut proteins.
Only a serum sample from a routine blood draw is needed. Laboratories report halibut-specific IgE, total IgE, and a semiquantitative reactivity class. Additional markers such as parvalbumin and other fish extracts may be included to help a clinician judge the likelihood of reactions to related seafood.
People order this test after a suspected reaction to halibut, when a seafood allergy is being assessed, or before a supervised food challenge. The result is one part of the picture, and decisions about diet should be made with a qualified healthcare provider.
- Halibut-specific IgE antibody
- Total serum IgE
- Parvalbumin IgE (major fish allergen)
- Cod IgE cross-reactant
- Salmon IgE cross-reactant
- Tropomyosin IgE cross-reactivity
- IgE reactivity class for halibut extract
Why people order this test
- Evaluate reactions after eating halibut or other flatfish
- Assess whether multiple fish species may be involved
- Guide seafood avoidance decisions with a clinician
- Document a baseline before supervised reintroduction
- Add halibut testing to a seafood allergy profile
How to prepare
Fasting is not required, and the sample can be collected at any time of day. A laboratory performs the blood draw. Follow the collection instructions provided by the laboratory.
Understanding your results
Most results are ready within one to three business days. A positive IgE result means sensitization to halibut was detected, which a healthcare provider interprets together with symptoms and dietary exposure.
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Florida
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Georgia
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Idaho
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Frequently Asked Questions
Can halibut trigger a reaction even when well cooked?
Yes. The major fish allergen is heat-stable, so cooked halibut can still cause reactions.
Does a positive test mean I must avoid all fish?
Not necessarily. Some people react to specific species only, and a healthcare provider can help assess the pattern.
Is the test safe if I have had a severe reaction?
Yes. Blood testing does not expose you to the allergen, unlike a skin or food challenge test.
Do I need to prepare in any way?
No fasting or special preparation is required. Follow the laboratory collection guidance.
How quickly are results available?
Results are typically reported within one to three business days after collection.
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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Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.