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Mountain West · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Colorado

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 Colorado

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

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

Denver2,650,725Walnut Allergy Test – Nut AllergiesColorado Springs628,808Walnut Allergy Test – Nut AllergiesAurora383,496Walnut Allergy Test – Nut AllergiesFort Collins301,596Walnut Allergy Test – Nut AllergiesLakewood155,608Walnut Allergy Test – Nut AllergiesPueblo142,727Walnut Allergy Test – Nut AllergiesThornton140,538Walnut Allergy Test – Nut AllergiesGreeley135,270Walnut Allergy Test – Nut AllergiesGrand Junction134,074Walnut Allergy Test – Nut AllergiesArvada122,903Walnut Allergy Test – Nut AllergiesBoulder120,818Walnut Allergy Test – Nut AllergiesWestminster115,535Walnut Allergy Test – Nut AllergiesCentennial107,972Walnut Allergy Test – Nut AllergiesLongmont104,035Walnut Allergy Test – Nut AllergiesHighlands Ranch103,238Walnut Allergy Test – Nut AllergiesLafayette99,475Walnut Allergy Test – Nut AllergiesLoveland75,938Walnut Allergy Test – Nut AllergiesBroomfield72,697Walnut Allergy Test – Nut AllergiesCastle Rock71,037Walnut Allergy Test – Nut AllergiesCommerce City61,516Walnut Allergy Test – Nut AllergiesParker57,311Walnut Allergy Test – Nut AllergiesLittleton45,465Walnut Allergy Test – Nut AllergiesSecurity-Widefield40,158Walnut Allergy Test – Nut AllergiesBrighton39,895Walnut Allergy Test – Nut AllergiesNorthglenn37,899Walnut Allergy Test – Nut AllergiesDakota Ridge34,361Walnut Allergy Test – Nut AllergiesKen Caryl33,889Walnut Allergy Test – Nut AllergiesEnglewood33,500Walnut Allergy Test – Nut AllergiesPueblo West32,991Walnut Allergy Test – Nut AllergiesWheat Ridge32,340Walnut Allergy Test – Nut AllergiesWindsor31,972Walnut Allergy Test – Nut AllergiesFountain29,495Walnut Allergy Test – Nut AllergiesErie29,367Walnut Allergy Test – Nut AllergiesColumbine25,924Walnut Allergy Test – Nut AllergiesEvans21,727Walnut Allergy Test – Nut AllergiesFour Square Mile21,723Walnut Allergy Test – Nut AllergiesLouisville21,091Walnut Allergy Test – Nut AllergiesClifton20,122Walnut Allergy Test – Nut AllergiesMontrose20,098Walnut Allergy Test – Nut AllergiesSherrelwood20,069Walnut Allergy Test – Nut AllergiesGolden20,041Walnut Allergy Test – Nut AllergiesDurango18,953Walnut Allergy Test – Nut AllergiesCimarron Hills18,619Walnut Allergy Test – Nut AllergiesCañon City17,157Walnut Allergy Test – Nut AllergiesFort Carson16,743Walnut Allergy Test – Nut AllergiesJohnstown16,596Walnut Allergy Test – Nut AllergiesWelby16,260Walnut Allergy Test – Nut AllergiesFirestone15,949Walnut Allergy Test – Nut AllergiesGreenwood Village15,548Walnut Allergy Test – Nut AllergiesBlack Forest14,375Walnut Allergy Test – Nut AllergiesFrederick14,127Walnut Allergy Test – Nut AllergiesFederal Heights14,111Walnut Allergy Test – Nut AllergiesSterling13,976Walnut Allergy Test – Nut AllergiesLone Tree13,701Walnut Allergy Test – Nut AllergiesFruita13,296Walnut Allergy Test – Nut AllergiesSuperior13,283Walnut Allergy Test – Nut AllergiesSteamboat Springs13,193Walnut Allergy Test – Nut AllergiesFort Morgan11,483Walnut Allergy Test – Nut AllergiesCherry Creek11,389Walnut Allergy Test – Nut AllergiesCastle Pines11,296Walnut Allergy Test – Nut Allergies