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Sesame Seed Component
Test Code18728
CPT Codes
86008
Includes
Ses i 1 (f449) IgE
Preferred Specimen
1 mL serum collected in a serum separator tube (SST)
Minimum Volume
0.5 mL
Other Acceptable Specimens
Red-top tube (no gel)
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
<0.10 kU/L
Clinical Significance
Sesame component testing may help manage patients with suspected sesame allergy. IgE antibody against Ses i 1 (f449) is highly predictive of a positive oral food challenge. Also, because it is resistant to digestive enzymes, sensitization to Ses i 1 may increase the risk of severe reactions after ingestion of sesame products.
