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

Mountain West · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Utah

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 Utah

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

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

Salt Lake City1,135,344Walnut Allergy Test – Nut AllergiesOgden608,259Walnut Allergy Test – Nut AllergiesProvo551,645Walnut Allergy Test – Nut AllergiesWest Valley City139,361Walnut Allergy Test – Nut AllergiesSt. George127,890Walnut Allergy Test – Nut AllergiesWest Jordan116,045Walnut Allergy Test – Nut AllergiesLogan106,319Walnut Allergy Test – Nut AllergiesOrem96,734Walnut Allergy Test – Nut AllergiesSandy96,272Walnut Allergy Test – Nut AllergiesLayton80,858Walnut Allergy Test – Nut AllergiesSouth Jordan75,617Walnut Allergy Test – Nut AllergiesLehi73,911Walnut Allergy Test – Nut AllergiesMillcreek63,430Walnut Allergy Test – Nut AllergiesTaylorsville60,295Walnut Allergy Test – Nut AllergiesHerriman52,860Walnut Allergy Test – Nut AllergiesMurray50,183Walnut Allergy Test – Nut AllergiesDraper49,978Walnut Allergy Test – Nut AllergiesBountiful45,496Walnut Allergy Test – Nut AllergiesRiverton44,773Walnut Allergy Test – Nut AllergiesEagle Mountain42,905Walnut Allergy Test – Nut AllergiesSpanish Fork41,953Walnut Allergy Test – Nut AllergiesRoy39,076Walnut Allergy Test – Nut AllergiesPleasant Grove37,228Walnut Allergy Test – Nut AllergiesSaratoga Springs36,977Walnut Allergy Test – Nut AllergiesKearns36,842Walnut Allergy Test – Nut AllergiesMidvale35,313Walnut Allergy Test – Nut AllergiesTooele35,223Walnut Allergy Test – Nut AllergiesSpringville34,750Walnut Allergy Test – Nut AllergiesCedar City34,246Walnut Allergy Test – Nut AllergiesCottonwood Heights33,597Walnut Allergy Test – Nut AllergiesAmerican Fork32,822Walnut Allergy Test – Nut AllergiesKaysville32,438Walnut Allergy Test – Nut AllergiesClearfield31,802Walnut Allergy Test – Nut AllergiesHolladay31,738Walnut Allergy Test – Nut AllergiesSyracuse31,715Walnut Allergy Test – Nut AllergiesMagna29,128Walnut Allergy Test – Nut AllergiesWashington27,689Walnut Allergy Test – Nut AllergiesSouth Salt Lake26,086Walnut Allergy Test – Nut AllergiesFarmington23,990Walnut Allergy Test – Nut AllergiesClinton23,192Walnut Allergy Test – Nut AllergiesNorth Salt Lake21,411Walnut Allergy Test – Nut AllergiesPayson21,093Walnut Allergy Test – Nut AllergiesNorth Ogden20,703Walnut Allergy Test – Nut AllergiesHurricane19,501Walnut Allergy Test – Nut AllergiesBrigham City19,373Walnut Allergy Test – Nut AllergiesHighland18,913Walnut Allergy Test – Nut AllergiesSouth Ogden17,363Walnut Allergy Test – Nut AllergiesWest Haven16,918Walnut Allergy Test – Nut AllergiesCenterville16,711Walnut Allergy Test – Nut AllergiesBluffdale16,576Walnut Allergy Test – Nut AllergiesHeber16,416Walnut Allergy Test – Nut AllergiesSantaquin13,602Walnut Allergy Test – Nut AllergiesSmithfield13,263Walnut Allergy Test – Nut AllergiesGrantsville12,331Walnut Allergy Test – Nut AllergiesVineyard11,579Walnut Allergy Test – Nut AllergiesWoods Cross11,372Walnut Allergy Test – Nut AllergiesLindon11,346Walnut Allergy Test – Nut AllergiesMapleton11,226Walnut Allergy Test – Nut AllergiesWest Point10,963Walnut Allergy Test – Nut AllergiesPleasant View10,733Walnut Allergy Test – Nut Allergies