Pecan Allergy Test
Below is a plain-language overview of the pecan allergy test. A pecan allergy test checks your blood for antibodies that may indicate an allergic response to pecan proteins. It is usually ordered when someone has had symptoms after eating pecans or tree nuts, or when a clinician wants to clarify a suspected nut allergy.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
A pecan allergy test checks your blood for antibodies that may indicate an allergic response to pecan proteins. It is usually ordered when someone has had symptoms after eating pecans or tree nuts, or when a clinician wants to clarify a suspected nut allergy.
What it measures
- Pecan-specific IgE — Antibodies made by the immune system that bind to pecan proteins.
- Total IgE — A general measure of allergic antibody levels; sometimes ordered alongside specific tests.
- Tree nut panel (optional) — Related nut proteins such as walnut or hazelnut may be checked if your history suggests broader reactions.
Who it is for
A primary care clinician, allergist, or pediatrician typically orders this test. It may be used with a skin test or food challenge to help confirm or rule out pecan allergy.
Preparation
No fasting is required for a blood allergy test. Tell your clinician about all medicines you take, especially antihistamines, because they can sometimes affect allergy testing.
Results and what they mean
Results are usually reported as a number or class for pecan-specific IgE, sometimes with a reference range. A higher result does not by itself prove allergy, and a lower result does not always rule it out; a clinician interprets the result with your symptoms and history. This is general information, 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 pecan 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 pecans before the test?
No. The blood test measures antibodies already present, so avoiding or eating pecans right before the draw is not required.
How soon will I get results?
Turnaround is typically 1 to 3 business days, though it can vary by lab.
Can this test alone diagnose a pecan allergy?
No. It is one piece of information. A clinician combines it with your symptoms, physical exam, and sometimes other tests.
What if my result is positive but I have never had symptoms?
A positive result without symptoms may mean sensitivity rather than allergy. Discuss what it means for you with your clinician.