Pigweed, Common
Also known as: Amaranth, Rough Pigweed; Spiny Pigweed
Use
The Pigweed, Common allergy test measures the specific IgE antibodies against common pigweed, a type of weed that can cause allergic reactions such as hay fever or allergic rhinitis. This test is useful for identifying sensitivities to this particular allergen, allowing for targeted management and treatment of allergy symptoms. By detecting elevated levels of IgE antibodies, the test helps healthcare providers diagnose and assess the severity of the allergic response and guide patients in avoiding triggers or initiating appropriate therapies.
Special Instructions
Not provided.
Limitations
This test specifically measures IgE antibodies against common pigweed and may not detect allergic responses to other weeds or allergens. Cross-reactivity with similar allergens can occur, potentially affecting the specificity of the results. External factors like sample handling errors and deviations from the protocol might impact the outcomes. Clinicians should use this test alongside a detailed clinical history and additional diagnostic tests for a comprehensive allergy evaluation. False positives or negatives can occur, necessitating corroborative tests for confirmation.
Methodology
Immunoassay (Thermo Fisher ImmunoCAP®)
Biomarkers
LOINC Codes
- 7604-2 - Cmn pigweed IgE Qn
- 7604-2 - Cmn pigweed IgE Qn
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.2 mL
Minimum Volume
0.1 mL
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 |
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