Budgerigar Droppings, IgE, Serum
Use
This test is useful for establishing a diagnosis of an allergy to Budgerigar droppings by defining the allergen responsible for eliciting signs and symptoms. It helps identify allergens responsible for allergic responses and/or anaphylactic episodes, confirm sensitization prior to immunotherapy, and investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens. However, testing for IgE antibodies is not useful for patients who have been previously treated with immunotherapy or in those where clinical management does not depend on identification of allergen specificity.
Special Instructions
For results to be clinically relevant, ensure that the specimen collection and handling protocols are correctly followed. Forms such as the Allergen Test Request (T236) should be printed and sent alongside specimens if not ordered electronically.
Limitations
Testing for IgE antibodies is not useful in patients previously treated with immunotherapy to determine if residual clinical sensitivity exists. Additionally, in some cases, individuals with clinically insignificant sensitivity to allergens may display measurable levels of IgE antibodies, necessitating interpretation within the total clinical context. False-positive results can occur in patients with elevated serum IgE (>2500 kU/L) due to nonspecific binding.
FDA ApprovedNew York Approved
Methodology
Immunoassay (FEIA)
Biomarkers
LOINC Codes
- 6304-0
- 6304-0
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; for more than 1 allergen: (0.05 mL x number of allergens) + 0.25 mL deadspace
Container
Plastic vial
Collection Instructions
Centrifuge and aliquot serum into a plastic vial.
Storage Instructions
Refrigerated (preferred) for 14 days or Frozen for 90 days
Causes for Rejection
None listed for gross hemolysis and gross lipemia.
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 14 days |
| Frozen | 90 days |