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Pacific · Walnut Tree Allergy Test – Tree Pollen

Walnut Tree Allergy Test – Tree Pollen in California

Walnut Tree Allergy Test – Tree Pollen is a laboratory test you can request directly. A walnut tree allergy test measures allergic antibodies in your blood to help identify if you are sensitized to walnut tree pollen.

Sample typeBlood and/or urine at a collection lab
ReferralIncluded — no referral from your own doctor needed

Lab requirements in California

Here is what you need before ordering and completing the Walnut Tree Allergy Test – Tree Pollen in CA. 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
No special preparation is typically required for this blood test. Follow any specific instructions provided by the collection lab or your healthcare provider.
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 test detects specific IgE antibodies that your immune system may produce in response to walnut tree pollen. It is used to evaluate whether your symptoms could be related to a walnut tree allergy. The test is performed on a blood sample in a laboratory.

What it measures

  • Walnut tree pollen-specific IgE — Reflects the level of allergic antibodies to walnut tree pollen in the blood.

What the test involves

A healthcare professional collects a small sample of blood, usually from a vein in your arm. The sample is then sent to a laboratory for analysis.

Why it is often ordered

A clinician may order this test if you have symptoms such as sneezing, runny nose, or itchy eyes that could be linked to tree pollen exposure. It can help determine whether walnut tree pollen is a trigger for your symptoms.

Preparation

No special preparation is typically required for this blood test. Follow any specific instructions provided by the collection lab or your healthcare provider.

How results are reported

Results are reported as a numerical value that indicates the level of specific IgE antibodies in your blood. Reference ranges can vary between laboratories, so your results should be interpreted in the context of the lab's own range and your clinical history.

Before you go

  • Whether any medications you take could affect the test results
  • If there are any specific preparation instructions for the blood draw
  • How and when you will receive your test results

Cities

Walnut Tree Allergy Test – Tree Pollen in California communities

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

Los Angeles12,121,244Walnut Tree Allergy Test – Tree PollenSan Francisco3,290,197Walnut Tree Allergy Test – Tree PollenSan Diego3,084,174Walnut Tree Allergy Test – Tree PollenRiverside2,022,285Walnut Tree Allergy Test – Tree PollenSacramento1,924,167Walnut Tree Allergy Test – Tree PollenSan Jose1,729,879Walnut Tree Allergy Test – Tree PollenFresno719,558Walnut Tree Allergy Test – Tree PollenConcord640,270Walnut Tree Allergy Test – Tree PollenBakersfield590,845Walnut Tree Allergy Test – Tree PollenMission Viejo588,540Walnut Tree Allergy Test – Tree PollenMurrieta509,526Walnut Tree Allergy Test – Tree PollenLong Beach466,565Walnut Tree Allergy Test – Tree PollenOakland437,548Walnut Tree Allergy Test – Tree PollenStockton406,822Walnut Tree Allergy Test – Tree PollenVictorville389,060Walnut Tree Allergy Test – Tree PollenModesto382,994Walnut Tree Allergy Test – Tree PollenLancaster381,732Walnut Tree Allergy Test – Tree PollenOxnard366,330Walnut Tree Allergy Test – Tree PollenIndio361,831Walnut Tree Allergy Test – Tree PollenAnaheim348,204Walnut Tree Allergy Test – Tree PollenAntioch322,796Walnut Tree Allergy Test – Tree PollenSanta Rosa314,196Walnut Tree Allergy Test – Tree PollenSanta Ana313,818Walnut Tree Allergy Test – Tree PollenIrvine297,868Walnut Tree Allergy Test – Tree PollenSanta Clarita275,230Walnut Tree Allergy Test – Tree PollenChula Vista274,818Walnut Tree Allergy Test – Tree PollenVisalia249,804Walnut Tree Allergy Test – Tree PollenFremont231,502Walnut Tree Allergy Test – Tree PollenSan Bernardino220,821Walnut Tree Allergy Test – Tree PollenThousand Oaks211,045Walnut Tree Allergy Test – Tree PollenMoreno Valley208,371Walnut Tree Allergy Test – Tree PollenFontana208,087Walnut Tree Allergy Test – Tree PollenSalinas199,290Walnut Tree Allergy Test – Tree PollenHuntington Beach198,735Walnut Tree Allergy Test – Tree PollenSanta Barbara198,240Walnut Tree Allergy Test – Tree PollenGlendale196,512Walnut Tree Allergy Test – Tree PollenHemet191,170Walnut Tree Allergy Test – Tree PollenVallejo181,882Walnut Tree Allergy Test – Tree PollenElk Grove175,510Walnut Tree Allergy Test – Tree PollenOntario175,223Walnut Tree Allergy Test – Tree PollenOceanside174,461Walnut Tree Allergy Test – Tree PollenRancho Cucamonga173,946Walnut Tree Allergy Test – Tree PollenGarden Grove172,708Walnut Tree Allergy Test – Tree PollenPalmdale167,987Walnut Tree Allergy Test – Tree PollenSanta Cruz165,933Walnut Tree Allergy Test – Tree PollenHayward162,254Walnut Tree Allergy Test – Tree PollenCorona157,844Walnut Tree Allergy Test – Tree PollenMerced157,617Walnut Tree Allergy Test – Tree PollenSunnyvale155,550Walnut Tree Allergy Test – Tree PollenPomona151,592Walnut Tree Allergy Test – Tree PollenEscondido151,443Walnut Tree Allergy Test – Tree PollenTorrance147,156Walnut Tree Allergy Test – Tree PollenRoseville145,687Walnut Tree Allergy Test – Tree PollenFairfield145,163Walnut Tree Allergy Test – Tree PollenFullerton142,964Walnut Tree Allergy Test – Tree PollenSanta Maria142,230Walnut Tree Allergy Test – Tree PollenOrange139,195Walnut Tree Allergy Test – Tree PollenPasadena138,771Walnut Tree Allergy Test – Tree PollenYuba City129,536Walnut Tree Allergy Test – Tree PollenSanta Clara127,922Walnut Tree Allergy Test – Tree Pollen