Macadamia Nut Allergy Test
Macadamia Nut Allergy Test can be requested without a referral, and this overview covers what to expect. A macadamia nut allergy test is a blood test that checks whether your immune system has made antibodies that react to macadamia nut proteins. It is usually ordered when someone has had a reaction after eating macadamia nuts or when a clinician wants to clarify a suspected tree nut allergy.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
A macadamia nut allergy test is a blood test that checks whether your immune system has made antibodies that react to macadamia nut proteins. It is usually ordered when someone has had a reaction after eating macadamia nuts or when a clinician wants to clarify a suspected tree nut allergy.
What it measures
- Macadamia nut specific IgE — Antibodies that bind to macadamia nut proteins; a higher level suggests sensitization.
- Total IgE — A general measure of allergic antibody levels, sometimes used for context.
- Other tree nut specific IgE — Checks reactions to related nuts such as cashew, pistachio, or walnut.
- Component allergens — Specific proteins within macadamia nut that may help explain the pattern of reactivity.
Who it is for
This test is typically ordered by an allergist, primary care clinician, or other healthcare professional evaluating a possible food allergy. It may also be used when a person has unclear symptoms after eating foods that contain macadamia nuts.
Preparation
No fasting or special preparation is usually required for this blood test. Tell your clinician about any medications you take, especially antihistamines, because they can sometimes affect allergy testing.
Results and what they mean
Results are reported as antibody levels, often with a reference range or class score. A clinician interprets these numbers alongside your symptoms and history, because a positive result alone does not always mean a true allergy. This is general information, not medical advice; discuss your results with a qualified healthcare professional.
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 macadamia nut 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
Does a positive result mean I am allergic?
Not always. A positive blood test shows sensitization, but only a clinician can determine whether you have a true allergy based on your symptoms and history.
Do I need to stop eating macadamia nuts before the test?
No. Unlike some food challenges, this blood test does not require you to eat or avoid macadamia nuts beforehand.
How long does it take to get results?
Results are typically available within 1 to 3 business days, though timing can vary by laboratory.
Can this test tell me how severe a reaction will be?
No. The level of antibodies does not reliably predict how severe a future reaction might be; your clinician will assess your overall risk.