Lab test requirements · preparation, ID, referral, and timing United States · 0 communities

South · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Virginia

Walnut Allergy Test – Nut Allergies is a laboratory test you can request directly. A walnut allergy test measures the level of IgE antibodies your immune system makes in response to walnut proteins. It is used along with your history to help evaluate a possible walnut allergy.

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 Walnut Allergy Test – Nut 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
Some tests require fasting or avoiding certain foods or drinks beforehand. You will be informed when you order — confirm the details with the collection lab.
Preparation
In most cases no special preparation is needed, but you should follow the instructions provided by the collection site. If you take medications, ask the lab or your clinician whether any…
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 is a blood test that looks for specific IgE antibodies directed against walnut proteins. The presence of these antibodies suggests the immune system has been sensitized to walnuts, but it does not by itself prove that a clinical allergy exists. Clinicians interpret the result together with symptoms and other findings.

What it measures

  • Walnut-specific IgE antibody — Reflects immune sensitization to walnut proteins.
  • Total IgE (if included) — Shows the overall level of IgE antibodies in the blood.
  • Other nut-specific IgE (if a panel is ordered) — Helps check for reactions to related tree nuts.

What the test involves

A healthcare professional collects a small blood sample 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 a person reports symptoms such as hives, swelling, stomach upset, or breathing trouble after eating walnuts or foods that may contain them. It is also sometimes used to help assess whether a known nut allergy is still present.

Preparation

In most cases no special preparation is needed, but you should follow the instructions provided by the collection site. If you take medications, ask the lab or your clinician whether any changes are needed before the draw.

How results are reported

Results are typically reported as a numeric level of walnut-specific IgE, often with a qualitative category such as negative, low, moderate, or high. Reference ranges and reporting formats vary by laboratory, so results should always be interpreted using the range provided by the performing lab.

Before you go

  • Whether any medications you take could affect the test
  • The exact turnaround time for results at your chosen lab
  • Whether a referral or order from a clinician is required

Cities

Walnut Allergy Test – Nut Allergies in Virginia communities

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

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