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Pacific · Common Fall Allergies Test: 13 Weed Pollens

Common Fall Allergies Test: 13 Weed Pollens in California

Common Fall Allergies Test: 13 Weed Pollens can be ordered without a referral from your own doctor, and this guide covers what to expect. A blood test that checks for allergic sensitivity to 13 common weed pollens that trigger fall allergy symptoms.

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 Common Fall Allergies Test: 13 Weed Pollens 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
Follow the lab's instructions regarding any preparation. No special preparation is typically required, but always confirm with the collection lab.
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 measures specific antibodies in the blood that react to weed pollens. It helps identify which weed pollens may be causing seasonal allergy symptoms.

What it measures

  • Common ragweed — a major fall allergen
  • Western ragweed — another ragweed species
  • Giant ragweed — a tall ragweed variety
  • Short ragweed — the most prevalent ragweed type
  • Mugwort — a common weed pollen
  • Pigweed — also known as amaranth
  • Lamb's quarters — a weed related to goosefoot
  • Plantain — a common lawn weed

What the test involves

A standard blood draw is used to collect a small sample 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 when a person has recurring fall allergy symptoms and the cause is unclear. It can help guide avoidance strategies and treatment decisions.

Preparation

Follow the lab's instructions regarding any preparation. No special preparation is typically required, but always confirm with the collection lab.

How results are reported

Results are reported as a level of specific antibodies for each weed pollen, often with a qualitative interpretation. Reference ranges vary by laboratory, so results should be interpreted in the context of the lab's own ranges and your clinical history.

Before you go

  • Whether any medications should be stopped before the test
  • If fasting is required
  • How long results will take

Cities

Common Fall Allergies Test: 13 Weed Pollens in California communities

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

Los Angeles12,121,244Common Fall Allergies Test: 13 Weed PollensSan Francisco3,290,197Common Fall Allergies Test: 13 Weed PollensSan Diego3,084,174Common Fall Allergies Test: 13 Weed PollensRiverside2,022,285Common Fall Allergies Test: 13 Weed PollensSacramento1,924,167Common Fall Allergies Test: 13 Weed PollensSan Jose1,729,879Common Fall Allergies Test: 13 Weed PollensFresno719,558Common Fall Allergies Test: 13 Weed PollensConcord640,270Common Fall Allergies Test: 13 Weed PollensBakersfield590,845Common Fall Allergies Test: 13 Weed PollensMission Viejo588,540Common Fall Allergies Test: 13 Weed PollensMurrieta509,526Common Fall Allergies Test: 13 Weed PollensLong Beach466,565Common Fall Allergies Test: 13 Weed PollensOakland437,548Common Fall Allergies Test: 13 Weed PollensStockton406,822Common Fall Allergies Test: 13 Weed PollensVictorville389,060Common Fall Allergies Test: 13 Weed PollensModesto382,994Common Fall Allergies Test: 13 Weed PollensLancaster381,732Common Fall Allergies Test: 13 Weed PollensOxnard366,330Common Fall Allergies Test: 13 Weed PollensIndio361,831Common Fall Allergies Test: 13 Weed PollensAnaheim348,204Common Fall Allergies Test: 13 Weed PollensAntioch322,796Common Fall Allergies Test: 13 Weed PollensSanta Rosa314,196Common Fall Allergies Test: 13 Weed PollensSanta Ana313,818Common Fall Allergies Test: 13 Weed PollensIrvine297,868Common Fall Allergies Test: 13 Weed PollensSanta Clarita275,230Common Fall Allergies Test: 13 Weed PollensChula Vista274,818Common Fall Allergies Test: 13 Weed PollensVisalia249,804Common Fall Allergies Test: 13 Weed PollensFremont231,502Common Fall Allergies Test: 13 Weed PollensSan Bernardino220,821Common Fall Allergies Test: 13 Weed PollensThousand Oaks211,045Common Fall Allergies Test: 13 Weed PollensMoreno Valley208,371Common Fall Allergies Test: 13 Weed PollensFontana208,087Common Fall Allergies Test: 13 Weed PollensSalinas199,290Common Fall Allergies Test: 13 Weed PollensHuntington Beach198,735Common Fall Allergies Test: 13 Weed PollensSanta Barbara198,240Common Fall Allergies Test: 13 Weed PollensGlendale196,512Common Fall Allergies Test: 13 Weed PollensHemet191,170Common Fall Allergies Test: 13 Weed PollensVallejo181,882Common Fall Allergies Test: 13 Weed PollensElk Grove175,510Common Fall Allergies Test: 13 Weed PollensOntario175,223Common Fall Allergies Test: 13 Weed PollensOceanside174,461Common Fall Allergies Test: 13 Weed PollensRancho Cucamonga173,946Common Fall Allergies Test: 13 Weed PollensGarden Grove172,708Common Fall Allergies Test: 13 Weed PollensPalmdale167,987Common Fall Allergies Test: 13 Weed PollensSanta Cruz165,933Common Fall Allergies Test: 13 Weed PollensHayward162,254Common Fall Allergies Test: 13 Weed PollensCorona157,844Common Fall Allergies Test: 13 Weed PollensMerced157,617Common Fall Allergies Test: 13 Weed PollensSunnyvale155,550Common Fall Allergies Test: 13 Weed PollensPomona151,592Common Fall Allergies Test: 13 Weed PollensEscondido151,443Common Fall Allergies Test: 13 Weed PollensTorrance147,156Common Fall Allergies Test: 13 Weed PollensRoseville145,687Common Fall Allergies Test: 13 Weed PollensFairfield145,163Common Fall Allergies Test: 13 Weed PollensFullerton142,964Common Fall Allergies Test: 13 Weed PollensSanta Maria142,230Common Fall Allergies Test: 13 Weed PollensOrange139,195Common Fall Allergies Test: 13 Weed PollensPasadena138,771Common Fall Allergies Test: 13 Weed PollensYuba City129,536Common Fall Allergies Test: 13 Weed PollensSanta Clara127,922Common Fall Allergies Test: 13 Weed Pollens