Brewer's yeast, IgE

Alphabetical Test listing

Brewer's yeast, IgE-994

Test name:

Brewer's yeast, IgE

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Saccharomyces spp
Brewers yeast

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 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 for a minimum of 30 minutes
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 (55310S) 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 >99.99 Very Strong Positive

CPT codes:

86003

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

08/23/2021

Revised date:

01/03/2024

Review date:

01/03/2024