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Midwest · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Wisconsin

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 Wisconsin

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

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

Milwaukee1,340,981Walnut Allergy Test – Nut AllergiesMadison461,778Walnut Allergy Test – Nut AllergiesGreen Bay219,472Walnut Allergy Test – Nut AllergiesAppleton218,448Walnut Allergy Test – Nut AllergiesRacine135,352Walnut Allergy Test – Nut AllergiesKenosha123,061Walnut Allergy Test – Nut AllergiesEau Claire103,586Walnut Allergy Test – Nut AllergiesLa Crosse99,227Walnut Allergy Test – Nut AllergiesWausau76,016Walnut Allergy Test – Nut AllergiesOshkosh74,737Walnut Allergy Test – Nut AllergiesJanesville71,907Walnut Allergy Test – Nut AllergiesWaukesha71,307Walnut Allergy Test – Nut AllergiesSheboygan70,234Walnut Allergy Test – Nut AllergiesWest Bend69,672Walnut Allergy Test – Nut AllergiesWest Allis60,220Walnut Allergy Test – Nut AllergiesWauwatosa48,072Walnut Allergy Test – Nut AllergiesFond du Lac44,412Walnut Allergy Test – Nut AllergiesBrookfield41,020Walnut Allergy Test – Nut AllergiesNew Berlin40,289Walnut Allergy Test – Nut AllergiesMenomonee Falls38,219Walnut Allergy Test – Nut AllergiesGreenfield37,623Walnut Allergy Test – Nut AllergiesFranklin36,685Walnut Allergy Test – Nut AllergiesBeloit36,567Walnut Allergy Test – Nut AllergiesOak Creek36,266Walnut Allergy Test – Nut AllergiesSun Prairie35,528Walnut Allergy Test – Nut AllergiesManitowoc34,267Walnut Allergy Test – Nut AllergiesFitchburg29,361Walnut Allergy Test – Nut AllergiesMount Pleasant27,572Walnut Allergy Test – Nut AllergiesNeenah27,194Walnut Allergy Test – Nut AllergiesSuperior26,601Walnut Allergy Test – Nut AllergiesStevens Point25,752Walnut Allergy Test – Nut AllergiesCaledonia25,288Walnut Allergy Test – Nut AllergiesDe Pere25,216Walnut Allergy Test – Nut AllergiesMuskego24,991Walnut Allergy Test – Nut AllergiesMequon24,814Walnut Allergy Test – Nut AllergiesWatertown23,030Walnut Allergy Test – Nut AllergiesMiddleton21,634Walnut Allergy Test – Nut AllergiesPleasant Prairie21,193Walnut Allergy Test – Nut AllergiesSouth Milwaukee20,785Walnut Allergy Test – Nut AllergiesGermantown20,780Walnut Allergy Test – Nut AllergiesHoward19,828Walnut Allergy Test – Nut AllergiesFox Crossing18,907Walnut Allergy Test – Nut AllergiesOnalaska18,760Walnut Allergy Test – Nut AllergiesWisconsin Rapids18,711Walnut Allergy Test – Nut AllergiesMarshfield18,668Walnut Allergy Test – Nut AllergiesCudahy18,197Walnut Allergy Test – Nut AllergiesMenasha18,157Walnut Allergy Test – Nut AllergiesOconomowoc17,969Walnut Allergy Test – Nut AllergiesAshwaubenon17,042Walnut Allergy Test – Nut AllergiesKaukauna16,929Walnut Allergy Test – Nut AllergiesMenomonie16,721Walnut Allergy Test – Nut AllergiesBeaver Dam16,594Walnut Allergy Test – Nut AllergiesRiver Falls16,058Walnut Allergy Test – Nut AllergiesBellevue15,922Walnut Allergy Test – Nut AllergiesWeston15,609Walnut Allergy Test – Nut AllergiesHartford15,526Walnut Allergy Test – Nut AllergiesWhitefish Bay14,818Walnut Allergy Test – Nut AllergiesGreendale14,735Walnut Allergy Test – Nut AllergiesWaunakee14,679Walnut Allergy Test – Nut AllergiesSalem Lakes14,630Walnut Allergy Test – Nut Allergies