Walnut (F256), IgE [3489]

Test Code

Alias/See Also

CPT Codes

Preferred Specimen
1 mL serum. (minimum 0.3 mL)  For a complete list of Allergy tests click here .

SST or Red top: Avoid hemolysis. Invert a minimum of 5 times, then allow to clot in an upright position for 30 minutes. Centrifuge the the tube for at least 10 minutes. Keep tightly stoppered.

Transport Container
SST (speckled top), Red top , Plastic Vial (transfer) tube

Transport Temperature
Refrigerated (preferred) 
     For specimen integrity in the lock box click here

Specimen Stability
Room Temperature = n/a
Refrigerated = 7 days
Frozen = at least 7 days

Fluorenzyme Immunoassay (FEIA)

Setup Schedule
Monday - Friday

Report Available
1 day

Reference Range
Specific IgE Class kU/L Specific IgE Antibody
0 < 0.35 Absent/Undetectable
1 0.35 - 0.70 Low Level
2 0.71 - 3.50 Moderate Level
3 3.51 - .17.5 High Level
4 17.6 - 50 Very High Level
5 51.0 - 100 Very High Level
6 > 100 Very High Level 

Clinical Significance
Detection of IgE antibodies specific to a particular allergen indicates hypersensitivity to that allergen.

Performing Laboratory
Compunet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.