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South · Grapefruit Allergy Test – Citrus Allergies

Grapefruit Allergy Test – Citrus Allergies in Virginia

Below is a plain-language overview of the grapefruit allergy test – citrus allergies. A grapefruit allergy test checks for allergic antibodies in your blood that may react to grapefruit or related citrus fruits. It can help explain symptoms that appear after eating or touching these fruits.

Sample typeBlood and/or urine at a collection lab
ReferralIncluded — no referral from your own doctor needed

Lab requirements in Virginia

Here is what you need before ordering and completing the Grapefruit Allergy Test – Citrus Allergies in VA. Review each item and confirm the details with the collection lab.

Physician's order
Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
Fasting
Fasting is required for this test — follow the collection lab's instructions.
Preparation
Preparation is usually minimal, but specific instructions can vary by collection site. Follow the lab's instructions and ask the collecting laboratory if you have questions about…
Sample & visit
A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
Identification
Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
Turnaround
1-3 business days
Availability
Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.

Before you go

  • Order your test before visiting a lab, then use the requisition form in your account.
  • Print the requisition form, or fax it to the lab directly from your account.
  • No scheduling is needed — visit the collection lab during its normal business hours.
  • A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
  • Bring a government-issued photo ID in case the lab requests it.
  • Results are posted to your secure account within 1–3 business days.

Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.

What this test is

This test measures specific IgE antibodies, which are proteins the immune system can make in response to allergens. A blood sample is analyzed to see whether antibodies that bind to grapefruit proteins are present. Results are interpreted alongside your symptom history and other allergy testing.

What it measures

  • Grapefruit-specific IgE — Reflects immune system sensitization to grapefruit proteins
  • Citrus cross-reactive IgE — May indicate antibody binding to related citrus allergens
  • Total IgE — Sometimes included as a general measure of allergic antibody level

What the test involves

A healthcare professional collects a small blood sample, usually from a vein in your arm, using a standard blood draw. The sample is then sent to a laboratory for analysis.

Why it is often ordered

A clinician may order this test when someone reports symptoms such as itching, hives, swelling, or digestive upset after eating grapefruit or other citrus fruits. It is typically used with a detailed history to help evaluate whether an allergy is possible.

Preparation

Preparation is usually minimal, but specific instructions can vary by collection site. Follow the lab's instructions and ask the collecting laboratory if you have questions about medications, fasting, or timing.

How results are reported

Results are reported as a numerical level or a qualitative category, depending on the laboratory method used. Reference ranges and reporting formats vary by laboratory, so results should always be interpreted in the context of the lab that performed the test and your overall clinical picture.

Before you go

  • Whether any medications or foods need to be avoided before the blood draw
  • How long results usually take at that specific laboratory
  • Whether a repeat or additional allergy test is recommended based on your symptoms

Cities

Grapefruit Allergy Test – Citrus Allergies in Virginia communities

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

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