Tree Panel #3, Serum

Casandra

Casandra Test Code MC36312Version 1 (DRAFT)

Performing Lab

Lab Mayo Clinic LabLab Test ID TREE3CPT Code 86003

Clinical Use

Use

This test is useful for establishing a diagnosis of an allergy to trees in panel #3. It helps define the allergen responsible for eliciting signs and symptoms in patients and is important for confirming sensitization prior to beginning immunotherapy or investigating the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens. Testing for IgE antibodies is particularly useful for identifying allergens responsible for allergic responses and/or anaphylactic episodes.

Special Instructions

This is a multi-allergen IgE antibody panel that uses a pooled allergen reagent, resulting in a single qualitative class result and concentration. Individual allergen responses cannot be identified within this panel. Follow-up testing is recommended in cases of a positive result to differentiate between individual allergens in the panel. Specimens should be collected using either a serum gel or a red-top tube, centrifuged, and the serum aliquoted into a plastic vial. If not ordering electronically, complete and send an Allergen Test Request form (T236) with the specimen.

Limitations

False-positive results may occur in patients with markedly elevated serum IgE due to nonspecific binding. In some cases, individuals with clinically insignificant sensitivity may have measurable levels of IgE antibodies. Therefore, results must be interpreted within the clinical context. Since only one result is generated, follow-up testing is required to identify individual allergen responses within the panel.

Test Details

FDA Approved