Alternaria alternata

Casandra

Casandra Test Code LC13379Version 1 (DRAFT)

Performing Lab

Lab LabcorpLab Test ID 602455CPT Code 86003

Also known as: Alternaria tenuis

Clinical Use

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Use

The Alternaria alternata test is used to detect specific IgE antibodies against the mold Alternaria alternata. It is commonly used in the diagnosis of allergic diseases like asthma and allergic rhinitis, as exposure to Alternaria allergens is a known trigger for respiratory symptoms. Accurate detection of these antibodies helps in determining the cause of allergic reactions and can guide treatment options such as allergen avoidance strategies or immunotherapy.

Special Instructions

This test uses the Thermo Fisher ImmunoCAP® methodology for detecting IgE antibodies specific to Alternaria alternata. Proper collection and storage of the serum specimen are critical to ensure reliable test results. The test requires submission in a red-top tube or gel-barrier tube, and attention should be paid to the stability instructions provided.

Limitations

The test for IgE specific to Alternaria alternata may not detect all forms of mold allergens, and cross-reactivity with other allergenic molds is possible. Additionally, the levels of IgE antibodies can vary with time and exposure, so interpretations should consider clinical history and other diagnostic tests. False positives or negatives can occur, and test results should be interpreted in the context of comprehensive clinical evaluation.

Test Details