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Test Code SLCH Allergens SLCH Allergens

Performing Laboratory

St. Louis Children's Hospital

Methodology

Fluorescence Enzyme Immunoassay (FEIA)

Specimen Requirements

Specimen Type:    Blood

Preferred:             Gold/Red SST Vacutainer

Acceptable:           Plain, red-top Vacutainer

Reference Values

 

Reference Range:

   Class    

   IgE kU/L    

Interpretation

0

<0.35

Negative

1

0.35-0.69

Equivocal

2

0.70-3.49

Positive

3

3.50-17.4

Positive

4

17.5-49.9

Strongly positive

5

50.0-99.9

Strongly positive

6

≥100

Strongly positive

Reference values apply to all ages.

Critical Values:

None established

Limitations:

NA

CPT Coding

86003 per allergen

Day(s) Test Set Up

Test Availability:         Daily

Turnaround Time:      2-5 days

Test Setup:                 Monday-Friday

Specimen Transport Temperature

Refrigerated