Allergen: Food, Pepper C. annuum, IgE


Abbrev Code:PEPPER   
Order Code:LAB1019Order Name:Allergen, Pepper C. Annuum IgE
Synonyms:Anaheim Pepper; Bell Pepper/Paprika; Capsicum annuum; Cayenne Pepper; Cubanelle Pepper; Jalapeno Pepper; Poblano Pepper; Serrano Pepper; Red Pepper; Green Pepper
Methodology:ImmunoCAP, fluorescent enzyme immunoassay
CPT Codes: 86003 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-3 days.


Collection Instructions

Specimen:Blood
Optimal Volume:0.5 mL, plus 0.4 mL for each additional allergen
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Hemolyzed, icteric or lipemic specimens


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.25 mL ASAP or within 2 hours; add 0.1 mL for each additional allergen. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:48 hours at room temperature;2 weeks refrigerated; 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:55002


Interpretive

Reference Range:
Reporting Range (reported in kU/L) Probability of IgE Mediated
Clinical Reaction
Less than 0.10 No significant level detected
0.10 – 0.34 Clinical relevance undetermined
0.35 – 0.70 Low
0.71 – 3.50 Moderate
3.51 – 17.50 High
17.51 and greater Very High
Use:Allergen results of 0.10-0.34 kU/L are intended for specialist use as the clinical relevance is determined. Although increasing ranges are reflective of increasing concentrations of allergen-specific IgE, this may not correlate with the degree of clinical response or skin testing when challenged with a specific allergen. The correlation of allergy laboratory results with clinical history and in vivo reactivity to specific allergens is essential. A negative test may not rule out a clinical allergy or even anaphylaxis.


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