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HelpTest Code LAB0211615 Allergen, Lamb's Quarter, IgE, 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 | 50.1-100.0 | Strongly Positive |
| 7 | >100.0 | Strongly Positive |
Reference values apply to all ages.
Day(s) Test Set Up
Monday through Friday
Test Classification and CPT Coding
86003