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General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB0299297 Redtop Bentgrass Allergy, Plasma or Serum

Methodology

Fluorescence Enzyme Immunoassay (FEIA)

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Submit only 1 of the following specimens:

 

Specimen Type: Plasma

Container/Tube: Green top (sodium heparin or lithium heparin)-Lavender-top (EDTA) tube is also acceptable.

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.1 mL plus 0.06 mL dead space

Collection Instructions: Label specimen appropriately (plasma).

 

Specimen Type: Serum

Container/Tube: Serum gel or plain red top

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.1 mL plus 0.06 mL dead space

Collection Instructions: Label specimen appropriately (serum).

Specimen Transport Temperature

Refrigerated

Reference Values

Class IgE (kU/L) Interpretation
0  <0.10 Negative
1  0.10-0.35 Borderline/Equivocal
2  0.36-0.70 Equivocal
3  0.71-3.50 Positive
4  3.51-17.5 Positive
5  17.6-50.0 Strongly Positive
6  50.0-100.0 Strongly Positive
7 >100.0 Strongly Positive

 

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

86003