Lobster Allergy Test
Below is a plain-language overview of the lobster allergy test. A lobster allergy test is a blood test that checks whether your immune system reacts to proteins found in lobster. It is usually ordered when someone has had symptoms after eating lobster or other shellfish, or when a doctor wants to confirm or rule out a shellfish allergy.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
A lobster allergy test is a blood test that checks whether your immune system reacts to proteins found in lobster. It is usually ordered when someone has had symptoms after eating lobster or other shellfish, or when a doctor wants to confirm or rule out a shellfish allergy.
What it measures
- Lobster-specific IgE — Antibodies your immune system makes in response to lobster proteins.
- Total IgE — A general measure of allergic antibody levels in your blood.
- Shellfish cross-reactivity markers — Checks whether you may also react to shrimp, crab, or other shellfish.
- Other allergen-specific IgE — May be included to compare reactions to related foods.
Who it is for
This test is typically ordered by an allergist, immunologist, or primary care clinician after a suspected reaction to lobster or other shellfish. It may also be used when a food allergy is being evaluated.
Preparation
No fasting is required. You can eat and drink normally before the blood draw, and no special timing is needed.
Results and what they mean
Results are reported as antibody levels, often grouped as negative, low, moderate, or high. A clinician interprets these numbers alongside your symptoms and history, since a positive result alone does not always mean a true allergy. This is general information only and is not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the lobster allergy test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to stop eating lobster before the test?
No. You do not need to change your diet before this blood test.
How long does it take to get results?
Results are usually available within 1 to 3 business days.
Can this test tell me if I outgrew a lobster allergy?
It can help track changes over time, but a clinician must interpret the results with your symptoms.
Is this test painful?
It uses a standard blood draw, which feels like a brief pinch.