ARUP's Laboratory Test Directory

Immunoglobulin E : 0050345

Mnemonic: IGE

Methodology: Quantitative ImmunoCAP® Fluorescent Enzyme Immunoassay
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect: Serum separator tube or plasma separator tube. Also acceptable: Green (sodium or lithium heparin), lavender (EDTA), or pink (K2EDTA).

Specimen Preparation: Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature: Refrigerated.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year
Reference Interval:
Effective February 21, 2012
 
Age Reference Interval
0-5 months 2-13 IU/mL
6-12 months 2-34 IU/mL
1-2 years 2-97 IU/mL
3 years 2-199 IU/mL
4-6 years 2-307 IU/mL
7-8 years 2-403 IU/mL
9-12 years 2-696 IU/mL
13-15 years 2-629 IU/mL
16-17 years 2-537 IU/mL
18 years and older 2-214 IU/mL

CPT Code(s): 82785
Cross References: IgE, Serum (Immunoglobulin E), Total IgE