Casandra
Casandra Test Code QD02710Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 2512
Willow (T12) IgE
Also known as: ImmunoCAP®
Clinical Use
Order TestUse
This test measures IgE antibodies specific to the willow (Salix caprea) tree pollen. Elevated levels of IgE antibodies to this allergen can indicate sensitization or allergy to willow tree pollen, which may manifest as hay fever, sneezing, nasal congestion, itchy or watery eyes, or asthma exacerbations during pollen exposure.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
New York Approved
Methodology
Immunoassay (Fluorescent Enzyme Immunoassay)
Biomarkers
Willow (T12) IgE
AnalyteIgE level • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL for single allergen; 5 mL for 1–25 allergens; 10 mL for 25–50 allergens
Minimum Volume
0.6 mL
Container
SST or Red Top tube
Collection Instructions
Routine venipuncture
Storage Instructions
Refrigerated
Causes for Rejection
Quantity Not Sufficient
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 1 week at 2‑6 °C |