Pacific · Grapefruit Allergy Test – Citrus Allergies

Grapefruit Allergy Test – Citrus Allergies in California

Below is a plain-language overview of the grapefruit allergy test – citrus allergies. The Grapefruit Allergy Test checks for allergic reactions to grapefruit using a blood sample.

Sample typeBlood draw at a collection lab

ReferralNo referral required

What this test is

This test measures the presence of IgE antibodies specific to grapefruit, indicating a potential allergy. It is part of a broader category of citrus allergy tests. Results help identify if grapefruit consumption might trigger allergic symptoms.

What it measures

IgE antibodies — reflects immune response to grapefruit

What the test involves

The test involves a standard blood draw, where a healthcare professional collects a small sample of blood from a vein in your arm. This sample is then analyzed for specific IgE antibodies related to grapefruit.

Why it is often ordered

Clinicians typically order this test when a patient exhibits symptoms like itching, swelling, or gastrointestinal issues after consuming grapefruit. It helps in diagnosing potential allergic reactions to grapefruit.

Preparation

Preparation for the test may include specific instructions from the lab, such as dietary restrictions. Always follow the lab's guidelines for accurate results.

How results are reported

Results indicate the presence and level of IgE antibodies to grapefruit, suggesting an allergy. Reference ranges for results can vary between laboratories.

Before you go

Test availability
Preparation instructions
Result turnaround time

Cities

Grapefruit Allergy Test – Citrus Allergies in California communities

Choose your city for local context and to request this test.

Los Angeles12,121,244Grapefruit Allergy Test – Citrus Allergies San Francisco3,290,197Grapefruit Allergy Test – Citrus Allergies San Diego3,084,174Grapefruit Allergy Test – Citrus Allergies Riverside2,022,285Grapefruit Allergy Test – Citrus Allergies Sacramento1,924,167Grapefruit Allergy Test – Citrus Allergies San Jose1,729,879Grapefruit Allergy Test – Citrus Allergies Fresno719,558Grapefruit Allergy Test – Citrus Allergies Concord640,270Grapefruit Allergy Test – Citrus Allergies Bakersfield590,845Grapefruit Allergy Test – Citrus Allergies Mission Viejo588,540Grapefruit Allergy Test – Citrus Allergies Murrieta509,526Grapefruit Allergy Test – Citrus Allergies Long Beach466,565Grapefruit Allergy Test – Citrus Allergies Oakland437,548Grapefruit Allergy Test – Citrus Allergies Stockton406,822Grapefruit Allergy Test – Citrus Allergies Victorville389,060Grapefruit Allergy Test – Citrus Allergies Modesto382,994Grapefruit Allergy Test – Citrus Allergies Lancaster381,732Grapefruit Allergy Test – Citrus Allergies Oxnard366,330Grapefruit Allergy Test – Citrus Allergies Indio361,831Grapefruit Allergy Test – Citrus Allergies Anaheim348,204Grapefruit Allergy Test – Citrus Allergies Antioch322,796Grapefruit Allergy Test – Citrus Allergies Santa Rosa314,196Grapefruit Allergy Test – Citrus Allergies Santa Ana313,818Grapefruit Allergy Test – Citrus Allergies Irvine297,868Grapefruit Allergy Test – Citrus Allergies Santa Clarita275,230Grapefruit Allergy Test – Citrus Allergies Chula Vista274,818Grapefruit Allergy Test – Citrus Allergies Visalia249,804Grapefruit Allergy Test – Citrus Allergies Fremont231,502Grapefruit Allergy Test – Citrus Allergies San Bernardino220,821Grapefruit Allergy Test – Citrus Allergies Thousand Oaks211,045Grapefruit Allergy Test – Citrus Allergies Moreno Valley208,371Grapefruit Allergy Test – Citrus Allergies Fontana208,087Grapefruit Allergy Test – Citrus Allergies Salinas199,290Grapefruit Allergy Test – Citrus Allergies Huntington Beach198,735Grapefruit Allergy Test – Citrus Allergies Santa Barbara198,240Grapefruit Allergy Test – Citrus Allergies Glendale196,512Grapefruit Allergy Test – Citrus Allergies Hemet191,170Grapefruit Allergy Test – Citrus Allergies Vallejo181,882Grapefruit Allergy Test – Citrus Allergies Elk Grove175,510Grapefruit Allergy Test – Citrus Allergies Ontario175,223Grapefruit Allergy Test – Citrus Allergies Oceanside174,461Grapefruit Allergy Test – Citrus Allergies Rancho Cucamonga173,946Grapefruit Allergy Test – Citrus Allergies Garden Grove172,708Grapefruit Allergy Test – Citrus Allergies Palmdale167,987Grapefruit Allergy Test – Citrus Allergies Santa Cruz165,933Grapefruit Allergy Test – Citrus Allergies Hayward162,254Grapefruit Allergy Test – Citrus Allergies Corona157,844Grapefruit Allergy Test – Citrus Allergies Merced157,617Grapefruit Allergy Test – Citrus Allergies Sunnyvale155,550Grapefruit Allergy Test – Citrus Allergies Pomona151,592Grapefruit Allergy Test – Citrus Allergies Escondido151,443Grapefruit Allergy Test – Citrus Allergies Torrance147,156Grapefruit Allergy Test – Citrus Allergies Roseville145,687Grapefruit Allergy Test – Citrus Allergies Fairfield145,163Grapefruit Allergy Test – Citrus Allergies Fullerton142,964Grapefruit Allergy Test – Citrus Allergies Santa Maria142,230Grapefruit Allergy Test – Citrus Allergies Orange139,195Grapefruit Allergy Test – Citrus Allergies Pasadena138,771Grapefruit Allergy Test – Citrus Allergies Yuba City129,536Grapefruit Allergy Test – Citrus Allergies Santa Clara127,922Grapefruit Allergy Test – Citrus Allergies