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Midwest · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Ohio

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 Ohio

Here is what you need before ordering and completing the Walnut Allergy Test – Nut Allergies in OH. 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 Ohio communities

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

Cincinnati1,712,287Walnut Allergy Test – Nut AllergiesCleveland1,683,059Walnut Allergy Test – Nut AllergiesColumbus1,556,848Walnut Allergy Test – Nut AllergiesDayton709,300Walnut Allergy Test – Nut AllergiesAkron546,549Walnut Allergy Test – Nut AllergiesToledo490,832Walnut Allergy Test – Nut AllergiesYoungstown363,541Walnut Allergy Test – Nut AllergiesCanton277,741Walnut Allergy Test – Nut AllergiesLorain186,500Walnut Allergy Test – Nut AllergiesMiddletown95,296Walnut Allergy Test – Nut AllergiesSpringfield85,121Walnut Allergy Test – Nut AllergiesParma80,880Walnut Allergy Test – Nut AllergiesNewark78,447Walnut Allergy Test – Nut AllergiesMansfield74,021Walnut Allergy Test – Nut AllergiesLima69,440Walnut Allergy Test – Nut AllergiesHamilton63,127Walnut Allergy Test – Nut AllergiesKettering57,503Walnut Allergy Test – Nut AllergiesElyria52,853Walnut Allergy Test – Nut AllergiesCuyahoga Falls50,906Walnut Allergy Test – Nut AllergiesLakewood50,841Walnut Allergy Test – Nut AllergiesEuclid49,382Walnut Allergy Test – Nut AllergiesDublin48,613Walnut Allergy Test – Nut AllergiesMentor47,369Walnut Allergy Test – Nut AllergiesBeavercreek46,320Walnut Allergy Test – Nut AllergiesStrongsville46,187Walnut Allergy Test – Nut AllergiesCleveland Heights45,267Walnut Allergy Test – Nut AllergiesFairfield44,550Walnut Allergy Test – Nut AllergiesHuber Heights42,650Walnut Allergy Test – Nut AllergiesGrove City41,025Walnut Allergy Test – Nut AllergiesDelaware41,004Walnut Allergy Test – Nut AllergiesLancaster40,360Walnut Allergy Test – Nut AllergiesFindlay40,323Walnut Allergy Test – Nut AllergiesReynoldsburg39,803Walnut Allergy Test – Nut AllergiesWarren39,334Walnut Allergy Test – Nut AllergiesWesterville38,960Walnut Allergy Test – Nut AllergiesUpper Arlington36,566Walnut Allergy Test – Nut AllergiesMarion36,053Walnut Allergy Test – Nut AllergiesGahanna35,626Walnut Allergy Test – Nut AllergiesHilliard35,530Walnut Allergy Test – Nut AllergiesBrunswick35,272Walnut Allergy Test – Nut AllergiesNorth Ridgeville34,883Walnut Allergy Test – Nut AllergiesStow34,556Walnut Allergy Test – Nut AllergiesFairborn34,398Walnut Allergy Test – Nut AllergiesMason34,337Walnut Allergy Test – Nut AllergiesWestlake34,049Walnut Allergy Test – Nut AllergiesNorth Olmsted32,371Walnut Allergy Test – Nut AllergiesMassillon32,199Walnut Allergy Test – Nut AllergiesNorth Royalton31,150Walnut Allergy Test – Nut AllergiesBowling Green30,715Walnut Allergy Test – Nut AllergiesAustintown30,179Walnut Allergy Test – Nut AllergiesGarfield Heights29,585Walnut Allergy Test – Nut AllergiesShaker Heights29,197Walnut Allergy Test – Nut AllergiesKent27,912Walnut Allergy Test – Nut AllergiesGreen27,267Walnut Allergy Test – Nut AllergiesWooster26,753Walnut Allergy Test – Nut AllergiesTroy26,093Walnut Allergy Test – Nut AllergiesMedina26,011Walnut Allergy Test – Nut AllergiesXenia25,411Walnut Allergy Test – Nut AllergiesBarberton25,309Walnut Allergy Test – Nut AllergiesSandusky25,066Walnut Allergy Test – Nut Allergies