Walnut tree, black, IgE

Alphabetical Test listing

Walnut tree, black, IgE-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Allergen
Black Walnut tree
Jugulans nigra

Useful for:

This assay is used to detect allergen specific-IgE using an enzyme immunoassay (EIA). In vitro allergy testing is the primary testing mode for allergy diagnosis.

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

0.5 mL

Minimum volume:

0.3 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube, 5 mL

Alternate processing instructions:

Allow sample to clot
Spin within two (2) hours of sample collection
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Alternate transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 4 weeks

Refrigerated - 4 weeks

Frozen - > 4 weeks

Reason for rejection:

Lipemic samples may lead to rejection.

Performing lab:

Viracor Eurofins (63510S) via LabCorp (009985): R-NX

TAT:

4 days

Method:

Enzyme Immunoassay (EIA)

Reference ranges:

Class	IgE (kU/L)	Comment
0	<0.35	Below detection
1	0.35 - 0.69	Low positive
2	0.70 - 3.49	Moderate positive
3	3.50 - 17.49	Positive
4	17.50 - 49.99	Strong positive
5	50.00 - 99.99	Very Strong positive
6	>99.99	Very strong positive

CPT codes:

86003

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

11/08/2021

Revised date:

01/03/2024

Review date:

01/03/2024