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.

Test Details
Days Set Up
Monday - Friday
Analytic Time

8 hours

Soft Order Code
WNUTP
MiChart Code
Walnut IgE Component Panel
Synonyms
    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
    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)
    NY State Approved
    No