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23393 Allergen, Whitefish, IgE (49210E)

Allergen, Whitefish, IgE (49210E)
Test Code: ALWFHSO
Useful For

​This assay is used to detect allergen specific-IgE using the ImmunoCAP® FEIA method. In vitro allergy testing is the primary testing mode for allergy diagnosis.

Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Serum ​Red Top Tube (RTT) ​ 0.5 mL ​340 uL ​
Collection Processing Instructions

​Collect 1-2 mL whole blood in red top tube.

Centrifuge and transfer 0.5 mL serum into a transfer tube.

Ship at ambient or frozen temperature Monday through Friday.

Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ ​Ambient ​4 weeks
​Refrigerated ​4 weeks
​Frozen ​>4 weeks
Rejection Criteria
Lipemia Reject
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Eurofins Viracor ​Monday through Friday ​1-2 days ImmunoCAP® FEIA
Reference Lab
Eurofins Viracor
Reference Range Information
Performing Location Reference Range
​Eurofins Viracor
ClassIgE (kU/L)Comment
0<0.10Negative
0/10.10-0.34Equivocal/Borderline
10.35-0.69Low Positive
20.70-3.49Moderate Positive
33.50-17.49High Positive
417.50-49.99Very High Positive
550.00-99.99Very High Positive
6>99.99Very High Positive

Note that Viracor Eurofins includes an extra calibrator at 0.10 kU/L and uses it to
define an optional equivocal class.

Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​86003 ​ ​ ​ ​
Ordering Applications
Ordering Application Description
​Centricity ​Allergen, Whitefish, IgE
​Cerner ​None
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Serum ​Red Top Tube (RTT) ​ 0.5 mL ​340 uL ​
Collection Processing

​Collect 1-2 mL whole blood in red top tube.

Centrifuge and transfer 0.5 mL serum into a transfer tube.

Ship at ambient or frozen temperature Monday through Friday.

Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ ​Ambient ​4 weeks
​Refrigerated ​4 weeks
​Frozen ​>4 weeks
Rejection Criteria
Lipemia Reject
Useful For

​This assay is used to detect allergen specific-IgE using the ImmunoCAP® FEIA method. In vitro allergy testing is the primary testing mode for allergy diagnosis.

Reference Range Information
Performing Location Reference Range
​Eurofins Viracor
ClassIgE (kU/L)Comment
0<0.10Negative
0/10.10-0.34Equivocal/Borderline
10.35-0.69Low Positive
20.70-3.49Moderate Positive
33.50-17.49High Positive
417.50-49.99Very High Positive
550.00-99.99Very High Positive
6>99.99Very High Positive

Note that Viracor Eurofins includes an extra calibrator at 0.10 kU/L and uses it to
define an optional equivocal class.

For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Eurofins Viracor ​Monday through Friday ​1-2 days ImmunoCAP® FEIA
Reference Lab
Eurofins Viracor
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​86003 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.