Gum Xanthan IgE
Use
This test measures the level of IgE antibodies specific to gum xanthan in the serum. It is used to assess allergic response related to gum xanthan exposure, which is an ingredient commonly found in food products as a food additive. Elevated levels of gum xanthan-specific IgE can indicate sensitization and potential allergic reaction to this compound.
Special Instructions
Ensure patient preparation is followed closely to avoid specimen rejection due to handling issues. Proper collection and processing of the specimen are crucial for accurate test results.
Limitations
The results should be interpreted in conjunction with the patient's clinical symptoms and history. False positives can occur due to the presence of other substances in the serum that may cross-react with the gum xanthan allergens. Additionally, this test is not intended to diagnose food allergies in isolation; clinical correlation is required.
New York Approved
Methodology
Immunoassay (EIA)
Biomarkers
LOINC Codes
- 41213-0
- 41213-0
Result Turnaround Time
2-7 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.5 mL
Container
Plastic vial
Collection Instructions
Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.
Causes for Rejection
Gross hemolysis, gross lipemia, gross icterus
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 28 days |
| Refrigerated | 28 days |
| Frozen | 365 days |