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South · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Tennessee

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 Tennessee

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

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

Nashville1,098,486Walnut Allergy Test – Nut AllergiesMemphis1,034,498Walnut Allergy Test – Nut AllergiesKnoxville619,925Walnut Allergy Test – Nut AllergiesChattanooga403,233Walnut Allergy Test – Nut AllergiesClarksville198,689Walnut Allergy Test – Nut AllergiesMurfreesboro181,450Walnut Allergy Test – Nut AllergiesJohnson City131,902Walnut Allergy Test – Nut AllergiesKingsport98,767Walnut Allergy Test – Nut AllergiesFranklin81,531Walnut Allergy Test – Nut AllergiesCleveland72,589Walnut Allergy Test – Nut AllergiesJackson71,983Walnut Allergy Test – Nut AllergiesBristol69,734Walnut Allergy Test – Nut AllergiesHendersonville60,628Walnut Allergy Test – Nut AllergiesBartlett57,639Walnut Allergy Test – Nut AllergiesSmyrna52,401Walnut Allergy Test – Nut AllergiesCollierville50,669Walnut Allergy Test – Nut AllergiesSpring Hill48,403Walnut Allergy Test – Nut AllergiesBrentwood44,354Walnut Allergy Test – Nut AllergiesGallatin43,306Walnut Allergy Test – Nut AllergiesColumbia40,957Walnut Allergy Test – Nut AllergiesGermantown40,955Walnut Allergy Test – Nut AllergiesLa Vergne38,127Walnut Allergy Test – Nut AllergiesMount Juliet38,059Walnut Allergy Test – Nut AllergiesLebanon37,471Walnut Allergy Test – Nut AllergiesCookeville34,068Walnut Allergy Test – Nut AllergiesMaryville31,281Walnut Allergy Test – Nut AllergiesOak Ridge31,087Walnut Allergy Test – Nut AllergiesMorristown30,387Walnut Allergy Test – Nut AllergiesFarragut23,388Walnut Allergy Test – Nut AllergiesShelbyville23,005Walnut Allergy Test – Nut AllergiesEast Ridge21,967Walnut Allergy Test – Nut AllergiesTullahoma20,599Walnut Allergy Test – Nut AllergiesSpringfield18,561Walnut Allergy Test – Nut AllergiesSevierville18,038Walnut Allergy Test – Nut AllergiesGoodlettsville17,522Walnut Allergy Test – Nut AllergiesDyersburg16,235Walnut Allergy Test – Nut AllergiesDickson15,855Walnut Allergy Test – Nut AllergiesSeymour15,633Walnut Allergy Test – Nut AllergiesGreeneville15,361Walnut Allergy Test – Nut AllergiesArlington14,158Walnut Allergy Test – Nut AllergiesElizabethton14,112Walnut Allergy Test – Nut AllergiesAthens13,961Walnut Allergy Test – Nut AllergiesPowell13,855Walnut Allergy Test – Nut AllergiesMcMinnville13,699Walnut Allergy Test – Nut AllergiesLakeland13,693Walnut Allergy Test – Nut AllergiesNolensville13,393Walnut Allergy Test – Nut AllergiesSoddy-Daisy13,090Walnut Allergy Test – Nut AllergiesPortland13,031Walnut Allergy Test – Nut AllergiesWhite House12,820Walnut Allergy Test – Nut AllergiesLewisburg12,131Walnut Allergy Test – Nut AllergiesManchester11,956Walnut Allergy Test – Nut AllergiesCrossville11,892Walnut Allergy Test – Nut AllergiesRed Bank11,855Walnut Allergy Test – Nut AllergiesMiddle Valley11,569Walnut Allergy Test – Nut AllergiesHartsville11,463Walnut Allergy Test – Nut AllergiesLawrenceburg11,460Walnut Allergy Test – Nut AllergiesUnion City11,119Walnut Allergy Test – Nut AllergiesCollegedale10,973Walnut Allergy Test – Nut AllergiesAlcoa10,777Walnut Allergy Test – Nut AllergiesMillington10,583Walnut Allergy Test – Nut Allergies