Grapefruit (f209) 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 measures the body's immune response to grapefruit, indicating potential allergies. By analyzing a small serum sample, it helps identify if grapefruit triggers an allergic reaction in the individual.

Who might consider it:

This test is suitable for individuals who suspect they may have an allergic reaction to grapefruit, which can include symptoms such as:

Itching or tingling in the mouth
Hives or itchy skin
Swelling of the lips, face, tongue, or throat
Difficulty breathing
Abdominal pain, diarrhea, nausea, or vomiting

Included biomarkers & Reference ranges

Biomarker	Reference range
Grapefruit (f209) IgE Measures IgE antibodies to grapefruit to check for allergic sensitization that may explain reactions after eating grapefruit or drinking its juice.	—

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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