Nationwide collection sitesOrder without a doctor's referralConfidential results

Test library

Willow Tree Pollen Sensitivity Test

The Willow Tree allergy test measures IgE antibodies against willow tree pollen. It helps identify tree pollen sensitization in people whose seasonal nasal or eye symptoms appear when willow trees release pollen.

Order Willow Tree Allergy Test

Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.

Order Willow Tree Allergy Test
Typical turnaround
1-3 business days
Starting price
From $49
Results
Confidential, online

Quick answer

The Willow Tree allergy test uses a blood sample to measure immunoglobulin E antibodies against pollen from willow trees. Willow is one of several trees that release pollen in early spring, and sensitive people may notice sneezing, runny nose, and itchy eyes when counts rise. This test is usually part of a broader tree pollen panel. A qualified healthcare provider interprets the result.

What this test measures

Willow trees are deciduous trees that produce catkins and release fine pollen in spring. Tree pollen is a common seasonal trigger for allergic rhinitis, and symptoms often begin before grass pollen appears. Because many trees pollinate around the same time, pinpointing the exact trigger can require testing several species.

The test detects willow pollen-specific IgE in serum with a laboratory immunoassay. A single blood draw is sufficient, and the report lists a quantitative level and a reactivity class for willow pollen. Results are often reviewed together with other tree pollen tests to build a seasonal profile.

A positive result indicates sensitization rather than a certain cause of symptoms. Exposure levels and individual sensitivity determine whether pollen leads to symptoms. Clinicians interpret the result with a symptom history and may discuss ways to reduce pollen exposure during the season.

  • Willow tree (Salix)-specific IgE antibodies
  • Total serum IgE
  • Quantitative allergen-specific IgE level
  • IgE reactivity class for willow pollen
  • Cross-reactive tree pollen allergens
  • Cross-reactive grass pollen allergens

Why people order this test

  • Investigate seasonal nasal or eye symptoms in early spring
  • Identify tree pollen sensitization as part of an allergy workup
  • Compare reactivity across several tree pollens
  • Review symptoms that coincide with local tree pollen release
  • Follow up when a tree pollen allergy is suspected
Order lab testing onlineChoose from hundreds of panels, order online, and visit a certified collection site near you.
Order Willow Tree Pollen Sensitivity Test

How to prepare

No fasting is required for this test. A blood sample is drawn from a vein, usually at the arm. You can follow your usual routine unless the laboratory provides other instructions.

Understanding your results

Results are typically reported within one to three business days. The report shows the specific IgE level and reactivity class for willow pollen. Elevated values suggest sensitization, and a qualified healthcare provider explains what the finding means in your case.

Willow Tree Pollen Sensitivity Test by state

Related tests

Frequently Asked Questions

What is the willow tree allergy test?

It is a blood test that measures IgE antibodies against willow tree pollen. It helps show whether the immune system is sensitized to this tree.

When does willow pollen appear?

Willow trees generally release pollen in early spring, though timing varies by region and weather. A provider can help match symptoms to local pollen seasons.

Do I need to fast?

No fasting is required for this test.

Is this the same as a willow food allergy?

No. This test measures allergy to tree pollen. It does not assess reactions to foods or supplements that may contain willow-derived ingredients.

What does an elevated result mean?

It means antibodies against the pollen are present, which suggests sensitization. Whether symptoms occur also depends on exposure.

Ready to get tested?

Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.

Order Willow Tree Pollen Sensitivity Test

Reviewed by the LabOrdering Editorial Team

Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.

Medical disclaimer. The information on LabOrdering.com is educational only and is not medical advice, diagnosis, or treatment. Reference ranges and clinical guidance vary between laboratories. Always consult a qualified healthcare provider about your own results and care.