Walnut Component rJug r 3
Use
The Walnut Component rJug r 3 test is used to assess specific IgE levels against the allergen rJug r 3, which is a component of walnut allergens. This test is important for diagnosing and managing patients with suspected walnut allergies, helping to identify sensitization to specific walnut allergen components.
Special Instructions
Not provided.
Limitations
While the test provides important information regarding sensitization to walnut allergens, the presence of specific IgE alone does not confirm clinical allergy. Cross-reactivity with other allergens can occur, and results should be interpreted in conjunction with clinical history and other diagnostic tests.
FDA ApprovedNew York Approved
Methodology
Immunoassay (ImmunoCAP FEIA)
Biomarkers
rJug r 3
Protein
LOINC Codes
- 81789-0 - English walnut (rJug r) 3 IgE Qn
- 81789-0 - English walnut (rJug r) 3 IgE Qn
- 103118-6 - English walnut (rJug r) 3 IgE RAST
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.5 mL
Container
Red or SST
Collection Instructions
Draw blood in a plain red-top tube(s), serum gel tube is acceptable. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.
Storage Instructions
Refrigerated (preferred) for up to 28 days, ambient for 28 days, or frozen for 84 days.
Causes for Rejection
Gross hemolysis or gross lipemia leads to rejection. Warm or cold thawing is acceptable.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 28 days |
| Refrigerated | 28 days |
| Frozen | 84 days |