Egg White IgG
Use
The clinical utility of food-specific IgG tests has not been 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. It should be recognized that the presence of food-specific IgG alone cannot be taken as evidence of food allergy and only indicates immunologic sensitization by the food allergen in question. This test should only be ordered by physicians who recognize the limitations of the test.
Special Instructions
Not provided.
Limitations
The presence of food-specific IgG should not be interpreted as indicating a food allergy. IgG testing has limitations and does not provide a definitive test to diagnose food allergies. The test only indicates immunologic sensitization by the allergen.
Methodology
Immunoassay (FEIA)
Biomarkers
Egg White IgG
Analyte
LOINC Codes
- 35535-4 - Egg White IgG-mCnc
- 35535-4 - Egg White IgG-mCnc
Result Turnaround Time
5-7 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
Not provided
Container
Red Top or Serum gel tube
Collection Instructions
1. Draw blood in a plain red-top tube(s). Serum gel tube(s) is acceptable. 2. Centrifuge and aliquot 0.5 mL of serum in a plastic vial. 3. Send refrigerate.
Storage Instructions
Refrigerate
Causes for Rejection
Thawing: Cold OK; Warm OK
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 28 days |
| Frozen | 365 days |