Allergen, Weed, Mugwort
Also known as: MUGWORT
Use
This test is used to quantitatively measure IgE antibodies specific to Mugwort (Artemisia vulgaris) allergens. It aids in the diagnosis of allergic diseases such as allergic rhinitis and asthma caused by exposure to Mugwort. The test evaluates the level of sensitization in individuals suspected of having allergic reactions to this weed. This information helps clinicians in the clinical correlation of allergy symptoms with laboratory results, providing guidance on avoiding exposure and managing allergic reactions, including anaphylaxis.
Special Instructions
Patients should avoid multiple encounters or exposures to allergens prior to testing to prevent acute allergic responses. Serum should be separated from cells as soon as possible or within two hours of collection to ensure sample integrity. Minimum serum volume required is 0.25 mL. For tests involving multiple allergens, refer to the specific allergen specimen collection instructions provided by the laboratory.
Limitations
Despite the test's ability to detect IgE antibodies, allergen-specific IgE concentrations may not correlate with the degree of clinical response or skin test results. A negative result does not exclude the possibility of an allergy or anaphylactic reaction to Mugwort. Clinical relevance is undetermined for results within 0.10-0.34 kU/L, and further specialist interpretation may be necessary. Increasing IgE levels indicate higher sensitization but must be interpreted in conjunction with clinical history and exposure information.
FDA ApprovedNew York Approved
Methodology
Immunoassay (Fluorescent Enzyme Immunoassay)
Biomarkers
LOINC Codes
- 6183-8
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.25 mL
Container
Serum separator tube
Collection Instructions
Separate serum from cells ASAP or within 2 hours of collection. Transfer to an ARUP Standard Transport Tube.
Patient Preparation
Avoid multiple patient encounters to prevent acute allergic responses.
Storage Instructions
Keep refrigerated.
Causes for Rejection
Hemolyzed, icteric, or lipemic specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 2 weeks |
| Frozen | 1 year |