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South · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Texas

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 Texas

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

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

Dallas5,668,165Walnut Allergy Test – Nut AllergiesHouston5,650,910Walnut Allergy Test – Nut AllergiesSan Antonio1,910,785Walnut Allergy Test – Nut AllergiesAustin1,659,251Walnut Allergy Test – Nut AllergiesFort Worth908,469Walnut Allergy Test – Nut AllergiesMcAllen809,002Walnut Allergy Test – Nut AllergiesEl Paso794,344Walnut Allergy Test – Nut AllergiesDenton445,814Walnut Allergy Test – Nut AllergiesArlington392,304Walnut Allergy Test – Nut AllergiesCorpus Christi333,764Walnut Allergy Test – Nut AllergiesThe Woodlands292,380Walnut Allergy Test – Nut AllergiesPlano282,181Walnut Allergy Test – Nut AllergiesLubbock259,946Walnut Allergy Test – Nut AllergiesLaredo256,748Walnut Allergy Test – Nut AllergiesIrving254,184Walnut Allergy Test – Nut AllergiesMcKinney248,840Walnut Allergy Test – Nut AllergiesGarland245,075Walnut Allergy Test – Nut AllergiesKilleen238,288Walnut Allergy Test – Nut AllergiesBrownsville235,735Walnut Allergy Test – Nut AllergiesCollege Station207,514Walnut Allergy Test – Nut AllergiesAmarillo204,357Walnut Allergy Test – Nut AllergiesGrand Prairie195,992Walnut Allergy Test – Nut AllergiesFrisco193,140Walnut Allergy Test – Nut AllergiesWaco187,172Walnut Allergy Test – Nut AllergiesPort Arthur156,988Walnut Allergy Test – Nut AllergiesPasadena151,964Walnut Allergy Test – Nut AllergiesMesquite149,848Walnut Allergy Test – Nut AllergiesHarlingen148,545Walnut Allergy Test – Nut AllergiesTyler143,895Walnut Allergy Test – Nut AllergiesBeaumont137,549Walnut Allergy Test – Nut AllergiesOdessa134,793Walnut Allergy Test – Nut AllergiesCarrollton131,388Walnut Allergy Test – Nut AllergiesMidland130,765Walnut Allergy Test – Nut AllergiesAbilene125,474Walnut Allergy Test – Nut AllergiesPearland122,609Walnut Allergy Test – Nut AllergiesTexas City122,017Walnut Allergy Test – Nut AllergiesRound Rock117,735Walnut Allergy Test – Nut AllergiesRichardson115,904Walnut Allergy Test – Nut AllergiesTemple115,809Walnut Allergy Test – Nut AllergiesLeague City111,847Walnut Allergy Test – Nut AllergiesSugar Land110,272Walnut Allergy Test – Nut AllergiesLewisville110,077Walnut Allergy Test – Nut AllergiesAllen102,778Walnut Allergy Test – Nut AllergiesWichita Falls102,563Walnut Allergy Test – Nut AllergiesSan Angelo100,330Walnut Allergy Test – Nut AllergiesEdinburg98,759Walnut Allergy Test – Nut AllergiesLongview98,075Walnut Allergy Test – Nut AllergiesConroe87,930Walnut Allergy Test – Nut AllergiesNew Braunfels87,549Walnut Allergy Test – Nut AllergiesMission85,311Walnut Allergy Test – Nut AllergiesBryan85,204Walnut Allergy Test – Nut AllergiesAtascocita84,222Walnut Allergy Test – Nut AllergiesBaytown82,543Walnut Allergy Test – Nut AllergiesTexarkana79,304Walnut Allergy Test – Nut AllergiesPharr78,997Walnut Allergy Test – Nut AllergiesFlower Mound75,050Walnut Allergy Test – Nut AllergiesCedar Park74,741Walnut Allergy Test – Nut AllergiesMissouri City73,682Walnut Allergy Test – Nut AllergiesLake Jackson73,478Walnut Allergy Test – Nut AllergiesMansfield71,375Walnut Allergy Test – Nut Allergies