Aspen (Populus tremuloides) IgE
Use
The Aspen (Populus tremuloides) IgE test is designed to detect specific IgE antibodies to Aspen pollen in the serum. This test is used as part of allergy diagnostics to identify sensitization in patients with respiratory allergic symptoms, such as rhinitis or asthma. The detection of specific IgE antibodies can help guide allergen avoidance strategies and inform the use of immunotherapy.
Special Instructions
Blood should be drawn into a plain red-top tube and the serum should be separated by centrifugation. It is essential to transfer 0.5 mL of serum into a plastic vial and keep it refrigerated if transportation to the laboratory is delayed.
Limitations
The Aspen IgE test does not measure allergen-specific IgE levels for other pollen types or potential allergens. Results might not correlate with clinical symptoms in all patients due to variability in individual immune responses. Grossly hemolyzed, lipemic, or icteric samples may yield inaccurate results and are therefore inappropriate for testing. Repeat testing or alternative methods may be recommended if results are inconsistent with clinical evaluations.
New York Approved
Methodology
Immunoassay (Enzyme Immunoassay (EIA))
Biomarkers
LOINC Codes
- 7101-9
- 7101-9
- 102152-6
Result Turnaround Time
4-7 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.5 mL
Container
Red Top
Collection Instructions
Draw blood in a plain red-top tube(s), a serum gel tube is acceptable. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.
Causes for Rejection
Gross hemolysis, gross lipemia, and gross icterus.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 28 days |
| Refrigerated | 28 days |
| Frozen | 365 days |