Test library
Acarus Siro Mite IgE Test
An Acarus siro allergy blood test measures IgE antibodies against a storage mite found in grain, hay, and stored food products. It can help explain persistent nasal, eye, or breathing symptoms linked to stored materials.
Order Acarus Siro Mite 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 Acarus Siro Mite Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
An Acarus siro allergy test uses a blood sample to measure immunoglobulin E antibodies directed at Acarus siro, a storage mite that lives in grain, hay, flour, and other stored products. It is typically ordered when allergy symptoms occur in settings involving stored materials, or alongside a broader allergy panel. The result shows whether sensitization is present, and a healthcare provider interprets it with the person's history.
What this test measures
Storage mites are tiny organisms that thrive in humid grain, hay, straw, and packaged foods such as flour. Acarus siro is one of the more common species, and its allergens can become airborne when stored materials are disturbed. People who work with agricultural products or live in damp housing may notice nasal congestion, sneezing, itchy eyes, or asthma-like symptoms around these exposures.
The test measures allergen-specific IgE in serum using a quantitative immunoassay. A single blood draw is enough, and the laboratory reports the level of Acarus siro-specific IgE along with a reactivity class. Because storage mites share allergens with house dust mites, results are usually reviewed together with other mite and mold tests to build a complete picture.
This test is not a diagnosis on its own. Sensitization means the immune system recognizes the allergen, but symptoms depend on exposure and individual sensitivity. Clinicians use the result alongside a symptom history, physical examination, and sometimes additional testing to decide whether avoidance measures or further evaluation are appropriate.
- Acarus siro-specific IgE antibodies
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for Acarus siro
- Cross-reactive storage mite allergens
- Group 2 mite allergens linked to house dust mite reactivity
Why people order this test
- Investigate persistent nasal, eye, or respiratory symptoms tied to stored materials
- Support evaluation of occupational exposure to grain, hay, or flour dust
- Clarify results when a broader allergy panel shows mite sensitization
- Help distinguish storage mite sensitivity from house dust mite sensitivity
- Provide objective information before discussing avoidance with a provider
- Follow up on symptoms that worsen in damp or agricultural environments
How to prepare
No fasting is needed for this test. A blood sample is collected from a vein, usually at the arm. Follow any instructions provided by the laboratory regarding timing or current medications.
Understanding your results
Results are generally available within one to three business days. The report shows the specific IgE level and a reactivity class for Acarus siro. An elevated value indicates sensitization, but only a healthcare provider can interpret it in the context of symptoms and exposure.
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Frequently Asked Questions
What is Acarus siro?
Acarus siro is a storage mite that feeds on grain, flour, hay, and similar materials. Its microscopic particles can become airborne and trigger allergic symptoms in sensitive people.
How is the test performed?
A small blood sample is drawn from a vein and analyzed for IgE antibodies that react to Acarus siro allergens.
Do I need to fast before the test?
No fasting is usually required. If the test is combined with other panels that require fasting, the laboratory provides specific instructions.
What does a positive result mean?
A positive result shows that the immune system has produced IgE antibodies against the mite. It suggests sensitization rather than confirming that symptoms are caused by it.
Can storage mite allergy be confused with dust mite allergy?
Yes. Storage mites and house dust mites share some allergens, so laboratories and clinicians often review results from both types of tests together.
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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