Test Overview
Test Methodology

Thermo Phadia ImmunoCAP System, Fluorescence Enzyme Immunoassay (FEIA)

Test Usage

Walnut allergen component tests are utilized for a more detailed assessment of patients with a suspected walnut allergy. Sensitization to a certain walnut components is strongly associated with risk of a systemic walnut reaction.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

8 hours

Soft Order Code
WNUTP
MiChart Code
Walnut IgE Component Panel
Laboratory
Chemical Pathology
Section
Special Chemistry
Specimen Requirements
Collection Instructions

Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate for up to 1 week or freeze for longer storage.

Alternate Specimen
Red top tube
Yellow Top Tube
Normal Volume
1.5 mL serum
Minimum Volume
1.0 mL serum
Additional Information

The Walnut Component Panel includes Walnut IgE (WNUT), rJug r1 Walnut IgE (R1WN) and rJug r3 Walnut IgE (R3WN). Each of these components may also be ordered individually.

Billing
CPT Code
86003 (WNUT), 86008 x 2 (R1WN, R3WM)
Fee Code
21401, JA031, JA032
LOINC
6273-7 (WNUT), 81790-8 (R1WN), 81789-0 (R3WN)
Resources