What is ige allergy test
Peanut Component Reflex, S
Preferred: Red top
Acceptable: Serum gel
Specimen Volume: mL
Additional Information: See Allergens â€“ Immunoglobulin E (IgE) Antibodies in Special Instructions.
Seattle Children's Hospital Note:
Collect mL — mL whole blood in a Red top container.
mL — mL whole blood in a Gold/SST container is also acceptable.
Testing begins with analysis of peanut IgE.
If peanut IgE is undetectable (< kU/L), testing is completed.
If peanut IgE is detectable (≥ kU/L), then the 5 peanut components (Ara h 2, Ara h 1, Ara h 3, Ara h 8, and Ara h 9) are performed at an additional charge.
|Test ID||Reporting Name||Available Separately||Always Performed|
|PNTCO||Peanut Components, S||No||No|
Seattle Children's Hospital Note:
Clinical System Name: Allergen Peanut IgE w/Rflx to Components
Fluorescent Enzyme Immunoassay (FEIA)
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|Allergen name:||Cas s 1|
|Lineage:|| Source: Plantae Magnoliopsida
Species: Castanea sativa(Chestnut)
|Biochemical name:||Pathogenesis-related protein, PR, Bet v 1 family member|
|Allergenicity:||8 out of 8 patients suffering from tree pollen allergy showed serum IgE binding to purified Cas s 1 on immunoblot.
Purified Cas s 1 was capable to induce IgE-mediated histamine-release in one patient tested.
|Route of allergen exposure:||Airway|
Table of IsoAllergens Click +/- for additional information
|Isoallergen and variants||GenBank Nucleotide||GenBank Protein||UniProt||PDB|
Evaluation of patients with suspected peanut allergy
Evaluation of patients with possible peanut cross-reactivity