FG4FI - Clinical: IgG4 Food Panel I

Test Catalog

Test Name

Test ID: FG4FI    
IgG4 Food Panel I

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Alpha Lactalbumin IgG4             <0.15

Beef IgG4                                 <0.15

Casein IgG4                              <0.15

Chicken IgG4                            <0.15

Corn IgG4                                 <0.15

Egg Whole IgG4                        <0.15

Milk Cow IgG4                           <0.15

Potato White IgG4                     <0.15

Soybean IgG4                           <0.15

Wheat IgG4                               <0.15


The reference range listed on the report is the lower limit of quantitation for the assay. The clinical utility of food-specific IgG4 tests has not been clearly established. These tests can be used in special clinical situations to select foods for evaluation by diet elimination and challenge in patients who have food-related complaints, and to evaluate food allergic patients prior to food challenges. The presence of food-specific IgG4 alone cannot be taken as evidence of food allergy and only indicates immunologic sensitization to the food allergen in question.