New England · Crab Allergy Test – Shellfish Allergy

Crab Allergy Test – Shellfish Allergy in Rhode Island

Crab Allergy Test – Shellfish Allergy is a laboratory test you can request directly. This blood test helps identify an allergy to crab, a type of shellfish, by measuring specific antibodies.

Typical turnaround1-3 business days
Price range$49
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The Crab Allergy Test measures the amount of immunoglobulin E (IgE) antibodies in your blood that are specific to crab. Elevated levels of these antibodies can indicate an allergic reaction to crab.

What it measures

  • Crab IgE — reflects the presence of antibodies that may cause an allergic reaction to crab

What the test involves

This test requires a standard blood draw. A healthcare professional will collect a small sample of your blood, typically from a vein in your arm.

Why it is often ordered

A clinician may order this test if you are experiencing symptoms suggestive of a crab allergy, such as hives, itching, or digestive issues after consuming crab. It helps confirm or rule out an allergy to this specific shellfish.

Preparation

Follow any specific instructions provided by the laboratory where you will have your blood drawn. Generally, no special preparation is needed for this test.

How results are reported

Results are typically available within a few business days and will indicate the level of crab-specific IgE antibodies detected. Reference ranges, which help interpret these levels, can vary between laboratories.

Before you go

  • Confirm the turnaround time with the lab.
  • Ask about any specific preparation instructions.
  • Verify how results will be communicated to you.

Cities

Crab Allergy Test – Shellfish Allergy in Rhode Island communities

Choose your city for local context and to request this test.