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New England · Walnut Allergy Test – Nut Allergies

Walnut Allergy Test – Nut Allergies in Massachusetts

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 Massachusetts

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

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

Boston4,208,580Walnut Allergy Test – Nut AllergiesSpringfield620,494Walnut Allergy Test – Nut AllergiesWorcester573,573Walnut Allergy Test – Nut AllergiesNew Bedford158,353Walnut Allergy Test – Nut AllergiesLeominster118,190Walnut Allergy Test – Nut AllergiesCambridge116,892Walnut Allergy Test – Nut AllergiesLowell114,804Walnut Allergy Test – Nut AllergiesBrockton104,216Walnut Allergy Test – Nut AllergiesQuincy100,544Walnut Allergy Test – Nut AllergiesLynn100,233Walnut Allergy Test – Nut AllergiesFall River93,339Walnut Allergy Test – Nut AllergiesNewton88,647Walnut Allergy Test – Nut AllergiesLawrence87,798Walnut Allergy Test – Nut AllergiesSomerville80,608Walnut Allergy Test – Nut AllergiesFramingham72,089Walnut Allergy Test – Nut AllergiesHaverhill67,093Walnut Allergy Test – Nut AllergiesMalden65,602Walnut Allergy Test – Nut AllergiesWaltham64,655Walnut Allergy Test – Nut AllergiesRevere60,720Walnut Allergy Test – Nut AllergiesMedford60,708Walnut Allergy Test – Nut AllergiesTaunton59,076Walnut Allergy Test – Nut AllergiesChicopee55,636Walnut Allergy Test – Nut AllergiesPeabody54,200Walnut Allergy Test – Nut AllergiesMethuen Town52,536Walnut Allergy Test – Nut AllergiesEverett48,368Walnut Allergy Test – Nut AllergiesAttleboro46,146Walnut Allergy Test – Nut AllergiesSalem44,452Walnut Allergy Test – Nut AllergiesPittsfield43,890Walnut Allergy Test – Nut AllergiesBeverly42,448Walnut Allergy Test – Nut AllergiesFitchburg41,796Walnut Allergy Test – Nut AllergiesMarlborough41,505Walnut Allergy Test – Nut AllergiesWoburn40,967Walnut Allergy Test – Nut AllergiesWestfield40,922Walnut Allergy Test – Nut AllergiesChelsea40,025Walnut Allergy Test – Nut AllergiesHolyoke38,480Walnut Allergy Test – Nut AllergiesWatertown Town35,171Walnut Allergy Test – Nut AllergiesGloucester29,814Walnut Allergy Test – Nut AllergiesMelrose29,567Walnut Allergy Test – Nut AllergiesNorthampton29,379Walnut Allergy Test – Nut AllergiesGardner21,183Walnut Allergy Test – Nut AllergiesNewburyport18,282Walnut Allergy Test – Nut AllergiesNorth Adams13,024Walnut Allergy Test – Nut AllergiesSouth Yarmouth11,696Walnut Allergy Test – Nut AllergiesMiddleborough Center7,790Walnut Allergy Test – Nut AllergiesMansfield Center7,689Walnut Allergy Test – Nut AllergiesWhitinsville7,329Walnut Allergy Test – Nut AllergiesWest Concord7,003Walnut Allergy Test – Nut AllergiesCochituate6,966Walnut Allergy Test – Nut AllergiesEast Falmouth6,739Walnut Allergy Test – Nut AllergiesPinehurst6,653Walnut Allergy Test – Nut AllergiesWest Yarmouth6,124Walnut Allergy Test – Nut AllergiesYarmouth Port5,872Walnut Allergy Test – Nut AllergiesBliss Corner5,529Walnut Allergy Test – Nut AllergiesNorth Scituate5,519Walnut Allergy Test – Nut AllergiesEast Harwich5,519Walnut Allergy Test – Nut AllergiesRaynham Center5,072Walnut Allergy Test – Nut AllergiesSmith Mills4,846Walnut Allergy Test – Nut AllergiesNorth Westport4,835Walnut Allergy Test – Nut AllergiesThe Pinehills4,724Walnut Allergy Test – Nut AllergiesMillis-Clicquot4,653Walnut Allergy Test – Nut Allergies