Ragweed, Giant
Also known as: Giant Ragweed
Use
The Ragweed, Giant test is used to detect the presence of specific IgE antibodies against the giant ragweed allergen. This test can help diagnose allergies to giant ragweed, which is a common cause of seasonal allergic rhinitis (hay fever) during late summer and early fall. The presence of specific IgE indicates sensitization to the allergen, which can assist healthcare providers in managing a patient's allergy symptoms through appropriate treatment plans, such as allergen avoidance and therapy.
Special Instructions
The test uses the Thermo Fisher ImmunoCAP® method, which is specific for detecting IgE antibodies to the giant ragweed allergen. It is important for healthcare providers to consider the patient's clinical history and symptoms along with the test results to make informed decisions. Ensure specimens are collected in the appropriate containers and stored correctly prior to testing.
Limitations
This test solely indicates the presence of specific IgE antibodies to the giant ragweed antigen; it does not measure the severity of clinical symptoms. Factors such as cross-reactivity with other allergens, recent allergen exposure, or the presence of other allergic conditions may influence results. The test does not substitute for a clinical diagnosis of allergy, which should include a comprehensive patient history and physical examination.
Methodology
Immunoassay (Other)
Biomarkers
LOINC Codes
- 6124-2
- 6124-2
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.2 mL
Minimum Volume
Not provided
Container
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 3 months |