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

South · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in North Carolina

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 North Carolina

Here is what you need before ordering and completing the Walnut Allergy Test – Nut Allergies in NC. 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 North Carolina communities

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

Charlotte1,516,107Walnut Allergy Test – Nut AllergiesRaleigh1,062,018Walnut Allergy Test – Nut AllergiesWinston-Salem420,400Walnut Allergy Test – Nut AllergiesDurham399,762Walnut Allergy Test – Nut AllergiesGreensboro345,270Walnut Allergy Test – Nut AllergiesFayetteville328,827Walnut Allergy Test – Nut AllergiesAsheville316,694Walnut Allergy Test – Nut AllergiesConcord264,492Walnut Allergy Test – Nut AllergiesWilmington247,372Walnut Allergy Test – Nut AllergiesHickory211,042Walnut Allergy Test – Nut AllergiesGastonia194,190Walnut Allergy Test – Nut AllergiesHigh Point178,800Walnut Allergy Test – Nut AllergiesCary171,603Walnut Allergy Test – Nut AllergiesBurlington137,096Walnut Allergy Test – Nut AllergiesGreenville122,921Walnut Allergy Test – Nut AllergiesJacksonville108,549Walnut Allergy Test – Nut AllergiesRocky Mount61,952Walnut Allergy Test – Nut AllergiesChapel Hill60,920Walnut Allergy Test – Nut AllergiesHuntersville60,166Walnut Allergy Test – Nut AllergiesApex58,066Walnut Allergy Test – Nut AllergiesKannapolis52,173Walnut Allergy Test – Nut AllergiesMooresville48,431Walnut Allergy Test – Nut AllergiesWilson47,914Walnut Allergy Test – Nut AllergiesWake Forest46,387Walnut Allergy Test – Nut AllergiesHolly Springs40,198Walnut Allergy Test – Nut AllergiesIndian Trail39,603Walnut Allergy Test – Nut AllergiesSalisbury35,258Walnut Allergy Test – Nut AllergiesMonroe34,464Walnut Allergy Test – Nut AllergiesGoldsboro33,214Walnut Allergy Test – Nut AllergiesFuquay-Varina33,135Walnut Allergy Test – Nut AllergiesNew Bern31,058Walnut Allergy Test – Nut AllergiesCornelius30,925Walnut Allergy Test – Nut AllergiesGarner30,859Walnut Allergy Test – Nut AllergiesSanford30,024Walnut Allergy Test – Nut AllergiesMatthews29,417Walnut Allergy Test – Nut AllergiesMorrisville28,824Walnut Allergy Test – Nut AllergiesStatesville27,777Walnut Allergy Test – Nut AllergiesThomasville26,941Walnut Allergy Test – Nut AllergiesAsheboro26,729Walnut Allergy Test – Nut AllergiesKernersville26,376Walnut Allergy Test – Nut AllergiesMint Hill26,236Walnut Allergy Test – Nut AllergiesClayton25,486Walnut Allergy Test – Nut AllergiesLeland22,794Walnut Allergy Test – Nut AllergiesShelby21,564Walnut Allergy Test – Nut AllergiesCarrboro21,237Walnut Allergy Test – Nut AllergiesClemmons21,032Walnut Allergy Test – Nut AllergiesKinston19,888Walnut Allergy Test – Nut AllergiesWaxhaw19,645Walnut Allergy Test – Nut AllergiesLexington19,347Walnut Allergy Test – Nut AllergiesLumberton19,186Walnut Allergy Test – Nut AllergiesKnightdale18,614Walnut Allergy Test – Nut AllergiesElizabeth City18,466Walnut Allergy Test – Nut AllergiesHarrisburg18,415Walnut Allergy Test – Nut AllergiesLenoir18,205Walnut Allergy Test – Nut AllergiesBoone18,055Walnut Allergy Test – Nut AllergiesHavelock17,570Walnut Allergy Test – Nut AllergiesHope Mills17,421Walnut Allergy Test – Nut AllergiesMorganton17,389Walnut Allergy Test – Nut AllergiesMount Holly17,315Walnut Allergy Test – Nut AllergiesPinehurst17,250Walnut Allergy Test – Nut Allergies