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Allergen-IgE Antibody, Blood

Performing Laboratory

St. Louis Children's Hospital

Lab Dept

Core Lab Sendouts

Specimen Requirements

Specimen Type: Blood

Container/Tube:

Preferred: Gold/Red SST Vacutainer

Acceptable: Plain, red-top Vacutainer®

Collection Volume: 3.0 mL

Minimum volume required is dependent on number of allergens requested. Minimum for just one allergen is 0.6 mL with an additional 0.1 mL required for each additional allergen requested.

Patient Preparation: None

Sample Rejection:

Specimens that are grossly hemolyzed

Mislabeled or unlabeled specimens

Special Instructions: If outside of SLCH in-patient units, please complete an Allergen Test Request Form and forward it with the specimen.

Logistics

Test Availability: Daily
Turnaround Time: 2-5 days

Test set-up: Monday-Friday
Lab Testing Section: Sendouts

Referring Labs:

Barnes-Jewish Laboratory at IOH or 

Mayo Clinic Laboratories / Test ID: dependent on allergen requested

Interpretive

Reference interval: ≤0.34 kUnits/L

Critical Values: None established

Limitations: NA
Methodology: Fluorescence Enzyme Immunoassay (FEIA)

Test Classification: Tests have been cleared or approved by the U.S. Food and Drug Administration and are used per manufacturer's instructions. Performance characteristics were verified by each performing lab in a manner consistent with CLIA requirements. 

Additional Information

For SLCH Laboratory use only

Lab Processing instructions: Centrifuge specimen to separate. Aliquot serum into a conical tube for transport.

Processed Volume:
IOH testing: minimum 0.2 mL for first allergen requested and an additional 40 mcL for each additional allergen requested.

Mayo testing: minimum 0.3 mL for first allergen requested and an additional 0.05 mL for each additional allergen requested.

Transport Temperature:

Ambient to IOH

Refrigerated to Mayo

Analyte Stability:
Ambient (unprocessed): 24 hours

PROCESSED

IOH                                                      Mayo

Ambient: 24 hours                                NA

Refrigerated: 7 days                             14 days

Frozen: 6 weeks                                   90 days

Notes: None

General Information

For a complete list of Allergens, see "List of Allergens".

For a complete list of Allergens and order name(s) performed at Mayo Clinic Laboratories see "Mayo Allergens".

Order names: see list(s)
CPT Codes: 86003

LOINC Value: 

ynonyms:

Last Reviewed

November 2024