Perennial Rye IgE

Test Code: TD_1708

CPT Code(s): 86003

$15

Test Details

Alternative Name(s)

Allergen, grass, perennial rye
Allergen, perennial ryegrass
Grass, perennial rye IgE
Perennial ryegrass allergen
Rye grass, perennial IgE

Test Includes

Perennial Rye IgE

Methodology

ImmunoCAP Fluoroenzymeimmunoassay (FEIA)

Rejection Criteria

Avoid repeated freeze/thaw cycles

Reference Range(s)

<0.35 KU/L

Specimen Requirements

Preferred Specimen

Serum Separator Tube

Minimum Volume

0.2 mL Serum

Sample Stability

1 day room temperature
1 week refrigerated
1 month frozen

Transport Temperature

Refrigerated

Collection Instructions

Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection. Refrigerate.
Note: when ordering multiple IgE specific allergens, the recommended specimen volume is:
For 2-24 allergens: minimum 2 mL serum.
For 25-40 allergens: minimum 3-4 mL serum.

Alternative Specimen

0.3 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.
Note: when ordering multiple IgE specific allergens, the recommended specimen volume is:
For 2-24 allergens: minimum 2 mL serum.
For 25-40 allergens: minimum 3-4 mL serum.