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South · Onion Allergy Test – Food Allergies

Onion Allergy Test – Food Allergies in Virginia

This page explains the onion allergy test – food allergies, what it measures, and how to order it. This blood test helps identify an allergy to onions by measuring specific antibodies.

Typical turnaround1-3 business days
Price range$49
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The onion allergy test is a laboratory analysis that detects the presence of IgE antibodies in your blood. These antibodies are produced by the immune system in response to an allergen, such as onion.

What it measures

  • Immunoglobulin E (IgE) Antibodies to Onion — reflects the immune system's sensitivity to onion

What the test involves

This test is performed on a blood sample, which is typically collected by a trained healthcare professional during a standard blood draw.

Why it is often ordered

A clinician may order this test if you are experiencing symptoms that suggest an allergic reaction after consuming or being exposed to onions. It helps in confirming or ruling out onion as a cause of your symptoms.

Preparation

Before your blood draw, follow any specific instructions provided by the laboratory. This may include fasting or avoiding certain foods.

How results are reported

Results will indicate the level of IgE antibodies specific to onion found in your blood. Reference ranges, which help interpret these levels, can vary between laboratories.

Before you go

  • Fasting requirements
  • Sample collection time
  • Specific preparation instructions

Cities

Onion Allergy Test – Food Allergies in Virginia communities

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

Virginia Beach1,500,764Onion Allergy Test – Food AllergiesRichmond1,008,069Onion Allergy Test – Food AllergiesChesapeake247,172Onion Allergy Test – Food AllergiesNorfolk238,556Onion Allergy Test – Food AllergiesArlington235,764Onion Allergy Test – Food AllergiesRoanoke215,781Onion Allergy Test – Food AllergiesNewport News185,069Onion Allergy Test – Food AllergiesAlexandria158,185Onion Allergy Test – Food AllergiesFredericksburg155,414Onion Allergy Test – Food AllergiesHampton136,748Onion Allergy Test – Food AllergiesLynchburg120,877Onion Allergy Test – Food AllergiesCharlottesville102,164Onion Allergy Test – Food AllergiesPortsmouth97,454Onion Allergy Test – Food AllergiesBlacksburg94,398Onion Allergy Test – Food AllergiesSuffolk93,268Onion Allergy Test – Food AllergiesWilliamsburg83,021Onion Allergy Test – Food AllergiesHarrisonburg74,901Onion Allergy Test – Food AllergiesWinchester74,593Onion Allergy Test – Food AllergiesDale City73,716Onion Allergy Test – Food AllergiesCentreville73,064Onion Allergy Test – Food AllergiesReston62,453Onion Allergy Test – Food AllergiesMcLean49,310Onion Allergy Test – Food AllergiesLeesburg48,223Onion Allergy Test – Food AllergiesTuckahoe48,187Onion Allergy Test – Food AllergiesAshburn44,950Onion Allergy Test – Food AllergiesLake Ridge44,697Onion Allergy Test – Food AllergiesBurke44,191Onion Allergy Test – Food AllergiesWoodbridge42,734Onion Allergy Test – Food AllergiesManassas42,596Onion Allergy Test – Food AllergiesDanville42,556Onion Allergy Test – Food AllergiesLinton Hall42,089Onion Allergy Test – Food AllergiesAnnandale41,869Onion Allergy Test – Food AllergiesMechanicsville37,767Onion Allergy Test – Food AllergiesOakton36,675Onion Allergy Test – Food AllergiesFair Oaks34,437Onion Allergy Test – Food AllergiesSouth Riding33,828Onion Allergy Test – Food AllergiesPetersburg33,229Onion Allergy Test – Food AllergiesSpringfield31,769Onion Allergy Test – Food AllergiesSterling31,202Onion Allergy Test – Food AllergiesWest Falls Church31,023Onion Allergy Test – Food AllergiesShort Pump27,332Onion Allergy Test – Food AllergiesTysons26,171Onion Allergy Test – Food AllergiesStaunton25,358Onion Allergy Test – Food AllergiesSalem25,335Onion Allergy Test – Food AllergiesCave Spring25,248Onion Allergy Test – Food AllergiesHerndon24,574Onion Allergy Test – Food AllergiesBailey's Crossroads24,501Onion Allergy Test – Food AllergiesFairfax23,980Onion Allergy Test – Food AllergiesChantilly23,564Onion Allergy Test – Food AllergiesWest Springfield23,562Onion Allergy Test – Food AllergiesChristiansburg23,174Onion Allergy Test – Food AllergiesHopewell23,020Onion Allergy Test – Food AllergiesWoodlawn22,590Onion Allergy Test – Food AllergiesChester22,512Onion Allergy Test – Food AllergiesWaynesboro22,149Onion Allergy Test – Food AllergiesCherry Hill22,118Onion Allergy Test – Food AllergiesBrambleton21,986Onion Allergy Test – Food AllergiesMontclair21,961Onion Allergy Test – Food AllergiesRose Hill21,466Onion Allergy Test – Food AllergiesLorton21,394Onion Allergy Test – Food Allergies