Test library
Rough Marshelder Pollen Allergy Test
This blood test measures IgE antibodies against rough marshelder pollen. It helps assess sensitization in people with late-season weed pollen symptoms in areas where this plant grows.
Order Rough Marshelder 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 Rough Marshelder Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Rough Marshelder Allergy Test is a blood test for IgE antibodies against pollen from the rough marshelder plant. Rough marshelder is a weed in the same plant family as ragweed and releases pollen in late summer and autumn. The test is used when seasonal symptoms occur during that window and weed pollen is a suspected trigger.
What this test measures
Rough marshelder is an annual weed that grows in disturbed ground, roadsides, and fields. Its pollen is produced in late summer and autumn, overlapping with ragweed and other late-season weeds. Because plants in this family share some proteins, people sensitized to ragweed may also react to marshelder pollen and vice versa.
The test measures specific IgE against rough marshelder pollen in a blood sample. Results are reported as a quantitative level in kilounits per liter with a class score. It is commonly ordered as part of a weed pollen panel that includes ragweed, pigweed, lamb's quarters, and other fall weeds, since several can contribute to symptoms at the same time.
People who notice sneezing, nasal congestion, or itchy eyes in late summer and autumn, particularly in rural or disturbed-ground areas, may consider this test. It can also help refine a broad weed panel result. A qualified healthcare provider interprets the finding with the person's symptom calendar and other allergy results.
- Rough marshelder pollen-specific IgE antibodies
- Quantitative weed pollen IgE in kU/L
- Allergen-specific IgE antibody class
- Related weed pollen IgE when a panel is ordered
- Total serum IgE when included
- Serum eosinophil count when included
- Common grass and mold allergens when included
Why people order this test
- Evaluate late summer and autumn weed pollen symptoms
- Check sensitization to a ragweed-family weed
- Add rough marshelder to a broader weed pollen panel
- Investigate fall hay fever when ragweed testing alone is inconclusive
- Clarify symptoms in rural or disturbed-ground environments
How to prepare
No fasting is needed, and the test can be performed at any time of year. Follow the lab's standard instructions for blood collection.
Understanding your results
Results generally return within one to three business days. A positive result indicates sensitization to rough marshelder pollen, often alongside other weed pollens. A qualified healthcare provider interprets the finding with the timing of symptoms and any other allergy results.
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Frequently Asked Questions
When does rough marshelder release pollen?
It typically pollinates in late summer and autumn, similar to ragweed and other fall weeds.
Is rough marshelder related to ragweed?
Yes. Both belong to the same plant family, and their pollens share some proteins, so reactions can overlap.
Do I need to be tested during weed season?
No. IgE antibodies remain measurable year round, so testing can be done at any time.
Can this test distinguish marshelder from ragweed?
It measures IgE specific to rough marshelder. A panel including both allergens helps a clinician compare the pattern.
Is this test appropriate for children?
Blood allergy testing can be used for children when a clinician considers it appropriate. The ordering provider decides.
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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