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

New England · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Maine

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 Maine

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

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

Portland220,807Walnut Allergy Test – Nut AllergiesLewiston36,615Walnut Allergy Test – Nut AllergiesBangor31,920Walnut Allergy Test – Nut AllergiesSouth Portland26,428Walnut Allergy Test – Nut AllergiesAuburn23,790Walnut Allergy Test – Nut AllergiesBiddeford22,331Walnut Allergy Test – Nut AllergiesSanford21,812Walnut Allergy Test – Nut AllergiesSaco20,203Walnut Allergy Test – Nut AllergiesWestbrook20,074Walnut Allergy Test – Nut AllergiesAugusta18,895Walnut Allergy Test – Nut AllergiesWaterville15,872Walnut Allergy Test – Nut AllergiesBrewer9,606Walnut Allergy Test – Nut AllergiesPresque Isle8,859Walnut Allergy Test – Nut AllergiesBath8,718Walnut Allergy Test – Nut AllergiesEllsworth8,340Walnut Allergy Test – Nut AllergiesCaribou7,448Walnut Allergy Test – Nut AllergiesOld Town7,415Walnut Allergy Test – Nut AllergiesRockland6,977Walnut Allergy Test – Nut AllergiesBelfast6,890Walnut Allergy Test – Nut AllergiesGardiner5,944Walnut Allergy Test – Nut AllergiesNorth Windham5,395Walnut Allergy Test – Nut AllergiesLisbon Falls4,213Walnut Allergy Test – Nut AllergiesYork Harbor3,819Walnut Allergy Test – Nut AllergiesSouth Berwick3,596Walnut Allergy Test – Nut AllergiesLisbon3,456Walnut Allergy Test – Nut AllergiesSouth Eliot3,342Walnut Allergy Test – Nut AllergiesCalais3,010Walnut Allergy Test – Nut AllergiesLake Arrowhead3,007Walnut Allergy Test – Nut AllergiesCumberland Center2,956Walnut Allergy Test – Nut AllergiesHallowell2,542Walnut Allergy Test – Nut AllergiesCape Neddick2,485Walnut Allergy Test – Nut AllergiesSouth Paris2,169Walnut Allergy Test – Nut AllergiesDunstan1,852Walnut Allergy Test – Nut AllergiesFalmouth Foreside1,811Walnut Allergy Test – Nut AllergiesVeazie1,771Walnut Allergy Test – Nut AllergiesSteep Falls1,677Walnut Allergy Test – Nut AllergiesEastport1,226Walnut Allergy Test – Nut AllergiesWest Kennebunk1,119Walnut Allergy Test – Nut AllergiesCornish1,117Walnut Allergy Test – Nut AllergiesKittery Point1,017Walnut Allergy Test – Nut AllergiesChisholm1,007Walnut Allergy Test – Nut Allergies