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Soybean Component Panel
Test Code18718
CPT Codes
86008 (x3)
Includes
Gly m 4 (f353) IgE
Gly m 5 (f431) IgE
Gly m 6 (f432) IgE
Gly m 5 (f431) IgE
Gly m 6 (f432) IgE
Preferred Specimen
1.5 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
Clinical Significance
Soy component testing may help manage patients with suspected soy allergy. IgE antibody against Gly m 4 may be due to cross-reactivity with Birch pollen (t3) but can still cause mild (mostly oral mucosal) symptoms after ingestion of soy products. Sensitization to Gly m 5 and/or Gly m 6 is more likely to represent true soy allergy and is also associated with more severe systemic reactions.
