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Galactose-Alpha-1,3-Galactose (Alpha-Gal) IgE
Test Code10554
Preferred Specimen
1.0 mL Serum
Minimum Volume
0.5 mL Serum
Transport Container
Serum
__Red-top (no gel) (preferred)
__SST (red-top) (preferred)
__Red-top (no gel) (preferred)
__SST (red-top) (preferred)
Transport Temperature
Serum: Room temperature preferred; Refrigerated acceptable;
_Frozen acceptable
_Frozen acceptable
Specimen Stability
Serum
__Room temperature: 14 Days
__Refrigerated: 14 Days
__Frozen: 30 Days
__Room temperature: 14 Days
__Refrigerated: 14 Days
__Frozen: 30 Days
Methodology
Immunoassay (IA)
Setup Schedule
Report available: 1-3 days
Report Available
Reports in 1 to 3 days.
Clinical Significance
The Galactose-alpha-1,3 galactose (Alpha-Gal) IgE test more specifically defines the etiology of allergic responses to meat allergens in patients with a delayed onset of symptoms (3 to 6 hours after meal). IgE to Alpha-Gal is the likely cause of anaphylactic reactions in individuals who develop hypersensitivities to beef, pork and/or lamb as adults.
