Ox-Eye Daisy, IgE, Serum
Use
This test is useful for establishing a diagnosis of an allergy to ox-eye daisy and for defining the allergen responsible for eliciting signs and symptoms. It helps identify allergens responsible for allergic response and/or anaphylactic episodes and can confirm sensitization prior to beginning immunotherapy. Additionally, it is used to investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens.
Special Instructions
IgE antibody testing is not useful in patients previously treated with immunotherapy to determine if residual clinical sensitivity exists or in patients whose medical management does not depend upon identification of allergen specificity.
Limitations
False-positive results for IgE antibodies may occur in patients with markedly elevated serum IgE (>2500 kU/L) due to nonspecific binding to allergen solid phases. Some individuals with clinically insignificant sensitivity to allergens may have measurable levels of IgE antibodies in serum, and test results must be interpreted in the clinical context.
FDA ApprovedNew York Approved
Methodology
Immunoassay (Fluorescence Enzyme Immunoassay)
Biomarkers
LOINC Codes
- 6196-0
- 6196-0
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL for every 5 allergens requested
Minimum Volume
For 1 allergen: 0.3 mL
Container
Preferred: Serum gel; Acceptable: Red top; Submission: Plastic vial
Collection Instructions
Centrifuge and aliquot serum into a plastic vial.
Causes for Rejection
Gross hemolysis OK; Gross lipemia OK
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 14 days |
| Frozen | 90 days |