ARUP's Laboratory Test Directory

Immunoglobulin E : 0050345

Mnemonic: IGE

Methodology: Electrochemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL serum separator tube or plasma separator tube. Also acceptable: green (sodium or lithium heparin), lavender (EDTA), or pink (K2EDTA).

Transport:  1 mL serum or plasma, frozen. (Min: 0.6 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.4 mL serum or plasma, frozen.

Remarks:  Allow serum to clot completely at room temperature.  Separate serum or plasma from cells ASAP.

Stability:  After separation from cells: Ambient: 8 hours; Refrigerated: 2 weeks; Frozen: 6 months
Reference Interval:
0-364 days: 0-8 IU/mL
1-2 years: 0-12 IU/mL
3 years: 0-24 IU/mL
4-5 years: 0-50 IU/mL
6 years: 0-70 IU/mL
7-14 years: 0-120 IU/mL
15 years and older: 0-180 IU/mL
Note: To convert to ng/mL, multiply IU/mL by 2.4.
CPT Code(s): 82785
 
 

 

 

 
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