Walnut (f256) IgE Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	Coming soon	$8.99
Results in	—	~5 business days
Sample type	—	Blood Serum
Require fasting	—	No

About the test

This test checks for walnut allergies by measuring the IgE antibodies in your blood. A higher level of these antibodies can indicate an allergic reaction to walnuts, helping to diagnose and manage potential food allergies.

Who might consider it:

This test is suitable for individuals who may show signs of an allergic reaction after consuming walnuts or walnut-containing products.

Symptoms can include:

Itchy or swollen lips, mouth, or throat
Skin reactions, such as hives, redness, or swelling
Stomach pain, diarrhea, nausea, or vomiting
Difficulty breathing
Anaphylaxis (in severe cases)

Included biomarkers & Reference ranges

Biomarker	Reference range
Walnut (f256) IgE Measures IgE antibodies to walnut to check for allergic sensitization to this tree nut, interpreted alongside any symptoms after eating it.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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