| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Immunoglobulin E
Test CodeIGEQ
Alias/See Also
LAB74
CPT Codes
<p>82785</p>
Preferred Specimen
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.3 mL
Specimen Type: Plasma
Collection Container/Type
Preferred: Lavender top (EDTA)
Acceptable: Green top (sodium or lithium heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.3 mL
Minimum Volume
0.3 mL
Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) tube, lithium heparin (green-top) tube, or EDTA (lavender-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: Next day
Report Available
Next day
Limitations
Some individuals with allergies have low total IgE but high concentration of allergen-specific IgE and may even suffer anaphylaxis with low to undetectable concentrations of IgE or allergen-specific IgE antibodies.
Reference Range
| ≤6 Weeks | ≤9 | kU/L | ||||||||||||||
| 3 Months | ≤17 | kU/L | ||||||||||||||
| 6 Months | ≤30 | kU/L | ||||||||||||||
| 9 Months | ≤39 | kU/L | ||||||||||||||
| 12 Months | ≤53 | kU/L | ||||||||||||||
| 2 Years | ≤93 | kU/L | ||||||||||||||
| 3 Years | ≤128 | kU/L | ||||||||||||||
| 4 Years | ≤160 | kU/L | ||||||||||||||
| 5 Years | ≤192 | kU/L | ||||||||||||||
| 6 Years | ≤224 | kU/L | ||||||||||||||
| 7 Years | ≤248 | kU/L | ||||||||||||||
| 8 Years | ≤280 | kU/L | ||||||||||||||
| 9 Years | ≤304 | kU/L | ||||||||||||||
| 10 Years | ≤328 | kU/L | ||||||||||||||
| Adult | ≤114 | kU/L | ||||||||||||||
Clinical Significance
For diagnosis of allergic disease. A normal IgE level does not exclude the possible presence of an allergic disorder.
Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153
Last Updated: February 17, 2023