Test library
Grey Alder Tree Allergy Test
A Grey Alder allergy test measures IgE antibodies to alder tree pollen, a common trigger of seasonal allergy symptoms in late winter and early spring. It helps connect sneezing, itchy eyes, and congestion to tree pollen exposure.
Order Grey Alder 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 Grey Alder Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Grey Alder allergy test measures immunoglobulin E antibodies against pollen from the grey alder tree. Alder is one of the first trees to release pollen in many regions, so symptoms can appear while other trees are still dormant. The test is a blood-based option and fits into a broader seasonal allergy workup.
What this test measures
Grey alder is a deciduous tree related to birch, and its pollen is a recognized trigger of seasonal allergic rhinitis. Symptoms can include sneezing, a runny or blocked nose, itchy watery eyes, and throat irritation. Because alder pollen seasons can overlap with hazel and birch, identifying the specific sensitization helps clarify the pattern.
The test uses a serum sample to measure allergen-specific IgE, the antibody class involved in immediate allergic reactions. Laboratories report a quantitative level and a reactivity class for grey alder. Some assays also detect the major allergen Aln g 1, which is closely related to the birch allergen Bet v 1 and can explain cross-reactivity between the two trees.
A positive result shows sensitization rather than confirming that pollen is causing current symptoms. Clinicians combine it with the timing of symptoms, exposure history, and other test results. People whose symptoms recur each pollen season often use the result to plan their care with a healthcare provider.
- Grey alder-specific IgE antibodies
- Total serum IgE
- Aln g 1, the major alder pollen allergen
- Bet v 1 cross-reactive allergen component
- Profilin and other pollen panallergens
- Quantitative allergen-specific IgE level
Why people order this test
- Confirm whether alder pollen is behind recurring seasonal symptoms
- Distinguish tree pollen allergy from year-round triggers
- Support planning for spring allergy seasons
- Evaluate cross-reactivity between alder, birch, and related trees
- Add a blood-based test when skin testing is not practical
How to prepare
No fasting is required for this test. A blood sample is drawn from a vein, usually at the arm. Mention any medications you take to the ordering provider, since some can influence allergy testing choices.
Understanding your results
Results are generally available within one to three business days. The report shows the grey alder IgE level and reactivity class. An elevated value indicates sensitization to alder pollen; a healthcare provider interprets it alongside symptoms and seasonality.
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Frequently Asked Questions
When does alder pollen appear?
Alder typically releases pollen in late winter and early spring, often before many other trees. The exact timing varies by climate and local conditions.
How is this test different from a skin prick test?
It uses a blood sample rather than small skin pricks. Both approaches detect allergic sensitization, and a healthcare provider can help choose the right option.
What does a positive result mean?
It means IgE antibodies against alder pollen are present. That indicates sensitization, which may or may not correspond to active symptoms.
Can alder allergy be linked to birch allergy?
Yes. Alder and birch share related allergens, so people sensitized to one tree may also react to the other.
Do I need to fast?
No fasting is needed for this blood test.
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.
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