Pacific · Onion Allergy Test – Food Allergies

Onion Allergy Test – Food Allergies in California

This page explains the onion allergy test – food allergies, what it measures, and how to order it. The Onion Allergy Test checks for an allergic reaction to onions by detecting specific IgE antibodies in 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 that are specific to onions. It helps identify if an individual has an allergic response to onions. The test is typically used to aid in diagnosing food allergies.

What it measures

Onion-specific IgE — reflects the presence of an allergic response to onions

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. The sample is then analyzed for the presence of onion-specific IgE antibodies.

Why it is often ordered

Clinicians generally order this test when an individual shows symptoms that may suggest an onion allergy. It helps in identifying whether onions are the cause of allergic reactions.

Preparation

Preparation for the test involves following specific instructions provided by the laboratory. It's important to check with the lab for any special requirements.

How results are reported

Results indicate the level of onion-specific IgE antibodies in the blood. Reference ranges and interpretation of results can vary by laboratory.

Before you go

Turnaround time for results
Specific preparation instructions
Availability of the test at the lab

Cities

Onion Allergy Test – Food Allergies in California communities

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

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