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

South · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in South 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 South Carolina

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

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

Charleston685,517Walnut Allergy Test – Nut AllergiesColumbia640,502Walnut Allergy Test – Nut AllergiesGreenville450,487Walnut Allergy Test – Nut AllergiesMyrtle Beach281,180Walnut Allergy Test – Nut AllergiesSpartanburg216,021Walnut Allergy Test – Nut AllergiesMauldin149,687Walnut Allergy Test – Nut AllergiesRock Hill115,292Walnut Allergy Test – Nut AllergiesNorth Charleston114,542Walnut Allergy Test – Nut AllergiesMount Pleasant88,900Walnut Allergy Test – Nut AllergiesFlorence88,709Walnut Allergy Test – Nut AllergiesAnderson80,657Walnut Allergy Test – Nut AllergiesSumter77,626Walnut Allergy Test – Nut AllergiesHilton Head Island74,248Walnut Allergy Test – Nut AllergiesSummerville50,318Walnut Allergy Test – Nut AllergiesGoose Creek44,502Walnut Allergy Test – Nut AllergiesGreer35,151Walnut Allergy Test – Nut AllergiesAiken31,516Walnut Allergy Test – Nut AllergiesBluffton27,596Walnut Allergy Test – Nut AllergiesSocastee24,657Walnut Allergy Test – Nut AllergiesCarolina Forest24,642Walnut Allergy Test – Nut AllergiesFort Mill24,069Walnut Allergy Test – Nut AllergiesNorth Augusta24,013Walnut Allergy Test – Nut AllergiesTaylors23,348Walnut Allergy Test – Nut AllergiesSimpsonville23,190Walnut Allergy Test – Nut AllergiesLexington23,068Walnut Allergy Test – Nut AllergiesEasley22,643Walnut Allergy Test – Nut AllergiesGreenwood22,363Walnut Allergy Test – Nut AllergiesConway22,001Walnut Allergy Test – Nut AllergiesSt. Andrews21,383Walnut Allergy Test – Nut AllergiesWade Hampton20,879Walnut Allergy Test – Nut AllergiesHanahan20,381Walnut Allergy Test – Nut AllergiesFive Forks19,158Walnut Allergy Test – Nut AllergiesNorth Myrtle Beach18,502Walnut Allergy Test – Nut AllergiesWest Columbia17,265Walnut Allergy Test – Nut AllergiesClemson17,238Walnut Allergy Test – Nut AllergiesRed Hill16,060Walnut Allergy Test – Nut AllergiesBerea15,892Walnut Allergy Test – Nut AllergiesSeven Oaks15,561Walnut Allergy Test – Nut AllergiesDentsville15,245Walnut Allergy Test – Nut AllergiesGantt14,790Walnut Allergy Test – Nut AllergiesLadson14,711Walnut Allergy Test – Nut AllergiesCayce13,637Walnut Allergy Test – Nut AllergiesLake Wylie13,560Walnut Allergy Test – Nut AllergiesParker13,019Walnut Allergy Test – Nut AllergiesBeaufort12,899Walnut Allergy Test – Nut AllergiesOrangeburg12,779Walnut Allergy Test – Nut AllergiesPort Royal12,734Walnut Allergy Test – Nut AllergiesMoncks Corner12,685Walnut Allergy Test – Nut AllergiesGaffney12,560Walnut Allergy Test – Nut AllergiesTega Cay12,336Walnut Allergy Test – Nut AllergiesOak Grove11,803Walnut Allergy Test – Nut AllergiesJames Island11,618Walnut Allergy Test – Nut AllergiesIrmo11,581Walnut Allergy Test – Nut AllergiesForest Acres10,621Walnut Allergy Test – Nut AllergiesGarden City10,600Walnut Allergy Test – Nut AllergiesBoiling Springs10,591Walnut Allergy Test – Nut AllergiesNewberry10,496Walnut Allergy Test – Nut AllergiesFountain Inn10,237Walnut Allergy Test – Nut AllergiesRed Bank10,070Walnut Allergy Test – Nut AllergiesLittle River9,929Walnut Allergy Test – Nut Allergies