Test library
Catfish IgE Test
A catfish allergy blood test measures IgE antibodies against catfish proteins. Fish allergy can cause rapid reactions after eating or handling fish, and catfish is one of several species that may trigger symptoms in sensitized people.
Order Catfish 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 Catfish Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The catfish allergy test measures immunoglobulin E antibodies against proteins in catfish. Fish allergy is often lifelong and can produce fast reactions, including hives, vomiting, and breathing difficulty after eating or even handling or cooking fish. Catfish is one of many species that can trigger reactions. A qualified healthcare provider interprets the result with the person's history and symptoms.
What this test measures
Fish allergy involves an immune response to proteins found in fish muscle and sometimes in other tissues. Catfish is a commonly eaten freshwater fish and can be a trigger in sensitive people. Reactions typically begin within minutes to a couple of hours after exposure, and they can be more severe than reactions to some other foods. Some people react to a single species, while others react across several types of fish.
The test measures allergen-specific IgE against catfish in serum using a laboratory immunoassay. It reports whether antibodies are present and may give a quantitative level or reactivity class. The main fish allergen, parvalbumin, is found in many species, so results are often reviewed with other fish tests to see whether sensitivity is broad or limited to particular fish.
A positive result shows sensitization to catfish proteins. It does not predict how severe a reaction will be, and not everyone sensitized reacts on every exposure. Because fish allergy can be serious, a qualified healthcare provider should interpret the finding and advise on any needed precautions.
- Catfish specific IgE
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for catfish
- Parvalbumin (fish muscle allergen)
- Other fish specific IgE within the panel
Why people order this test
- Investigate reactions after eating or handling catfish
- Clarify sensitization when a seafood panel is positive
- Assess whether sensitivity extends to other fish
- Support dietary and safety planning with a provider
- Follow up after a suspected fish reaction
How to prepare
No fasting is required. A blood sample is drawn from a vein, usually at the arm. Follow the laboratory's instructions, especially if this test is part of a broader seafood allergy panel.
Understanding your results
Results are usually available within one to three business days. The report shows the specific IgE level and reactivity class for catfish. An elevated value indicates sensitization, and a healthcare provider interprets it with the person's symptoms and exposure history.
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Frequently Asked Questions
What is a catfish allergy?
It is an immune reaction to proteins in catfish, often producing symptoms such as hives, vomiting, or breathing difficulty after eating or handling the fish.
Can fish allergy be triggered by cooking fumes?
Yes. In some sensitive people, cooking fish releases airborne proteins that can cause symptoms.
Is a catfish allergy the same as a seafood allergy?
Fish and shellfish are different allergy groups. Catfish is a fish, and a person may react to one fish species or to several.
How is the test performed?
A small blood sample is drawn and analyzed for IgE antibodies that react to catfish proteins.
Do I need to fast?
No fasting is required for this blood test.
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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