Test library
Squid Allergy Blood Test
A Squid allergy test measures IgE antibodies to squid proteins in a blood sample. It helps determine whether a seafood allergy explains reactions after eating squid, calamari, or dishes that use squid as an ingredient.
Order Squid 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 Squid Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Squid allergy test uses a blood sample to measure immunoglobulin E antibodies against squid proteins. Squid is eaten in many forms, including fried calamari and dishes in Japanese, Mediterranean, and other cuisines. The test helps show whether the immune system is sensitized to squid, and a qualified healthcare provider interprets the result with the person's history.
What this test measures
Seafood allergy can involve fish, shellfish, or mollusks, and squid is a mollusk. Reactions may include hives, swelling, stomach upset, or more serious symptoms, and they can occur even when squid is a hidden ingredient. Because squid appears in many dishes under different names, identifying it as a trigger can be useful for avoidance planning.
The test measures allergen-specific IgE in serum using a laboratory immunoassay. It reports a quantitative level and a reactivity class for squid. Laboratories may also report cross-reactive mollusk allergens such as tropomyosin, a protein found in many shellfish and mollusks that can cause reactions across species.
A positive result shows sensitization to squid proteins rather than confirming that a specific reaction was caused by squid. Not everyone who is sensitized has symptoms. A qualified healthcare provider evaluates the result with the reaction history and may recommend additional testing or an allergy evaluation.
- Squid-specific IgE antibodies
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for squid
- Mollusk tropomyosin
- Cross-reactive shellfish allergens
- Related mollusk allergens within the panel
Why people order this test
- Investigate reactions after eating squid or calamari
- Assess whether squid may be causing a seafood allergy
- Check for cross-reactivity with other mollusks and shellfish
- Provide objective information before a provider discussion
- Support an evaluation of hives, swelling, or stomach symptoms after meals
- Clarify sensitivity when a broader seafood panel is ordered
How to prepare
No fasting is required for this blood test. A sample is collected from a vein, usually at the arm. Follow any specific instructions from the laboratory, particularly if the test is part of a larger allergy panel.
Understanding your results
Results are typically available within one to three business days. The report shows the specific IgE level and reactivity class for squid. An elevated result indicates sensitization, and a qualified healthcare provider can explain what the finding means for a particular person.
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Frequently Asked Questions
What foods contain squid?
Squid is served as calamari and appears in many seafood dishes, including some Japanese, Mediterranean, and Asian recipes. It can also be an ingredient in soups, rice dishes, and fried platters.
Does a positive result confirm a squid allergy?
It shows sensitization. Whether symptoms occur depends on exposure and individual sensitivity, so a healthcare provider interprets the result with the reaction history.
Can squid allergy be linked to other shellfish allergies?
Yes. Squid is a mollusk, and shared proteins such as tropomyosin can cause cross-reactivity with other mollusks and some shellfish.
How is the sample collected?
A small blood sample is drawn from a vein. The serum is then tested for IgE antibodies that react to squid proteins.
Should I fast before this test?
Fasting is not required unless the test is combined with another panel that requires it.
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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