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Horse Dander (e3) IgE with Reflex to Component
Test Code10629
CPT Codes
86003
Includes
If Horse Dander (e3) IgE is ≥0.10 kU/L, then Horse Dander Component Equ c 1 (e227) will be performed at an additional charge (CPT code(s): 86008).
Preferred Specimen
1.25 mL serum
Minimum Volume
1 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 1-3 days
Reference Range
See Laboratory Report
Clinical Significance
Like respiratory allergies, animal allergies pose a significant risk for the development of asthma and rhinitis. Blood IgE tests using whole allergen extracts from horses provide a sensitive screening method to diagnose pet sensitization. In addition, the horse dander component panel is an IgE blood test using individual recombinant proteins from horses, improving specificity compared to animal extract assays. Thus, the horse dander component panel helps differentiate an actual horse allergy from a cross-reactive pet allergy.