Allergen: Brazil Nut Component, Storage Protein, IgE

Sunquest Code:AF354  
Epic Code:LAB6909Epic Name:Allergen Brazil Nut RBER E 1 IGE
Synonyms:Bertholletia excels; F354; Recombinant (rBer e) 1
Methodology:FEIA (by ImmunoCAP)
Turnaround Time:Performed Mon-Fri; results are reported the same day.

Collection Instructions

Optimal Volume:1 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Purple (EDTA), Red (no gel))

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator up to 7 days.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Endocrine  (UMMC-East Bank)


Reference Range:


Less than 0.10 kU(a)/L

None detected

0.10 – 0.69 kU(a)/L


0.70 – 3.49 kU(a)/L


3.50 – 17.50 kU(a)/L


Greater than 17.51 kU(a)/L

Very high



Use:To distinguish between allergy due to cross-reactivity and primary Brazil nut allergy, aid in risk assessment and manage Brazil nut allergic patients.

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