Sign in →

Test Code FGA13 Galactose-alpha-1,3-galactose (Alpha-Gal) IgE

Method Name

Solid phase immunoassay

Reporting Name

Galactose-alpha-1,3-galactose IgE

Specimen Type


Specimen Required

Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 1 mL of serum refrigerated in a plastic vial.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  365 days
  Ambient  7 days

Reference Values

<0.10 kU/L


Previous reports (JACI 2009; 123:426-433) have demonstrated that patients with IgE antibodies to galactose-a-1,3-galactose are at risk for delayed anaphylaxis, angioedema, or urticaria following consumption of beef, pork, or lamb.


Day(s) and Time(s) Performed

Monday through Friday

Performing Laboratory

Viracor Eurofins

Test Classification

This test was developed and its performance characteristics determined by Viracor Eurofins. It has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FGA13 Galactose-alpha-1,3-galactose IgE 73837-7


Result ID Test Result Name Result LOINC Value
FGA13 Galactose-alpha-1,3-galactose IgE 73837-7

Reject Due To

Hemolysis NA
Lipemia Mild OK; Gross Reject
Icterus NA
Other NA

Secondary ID