ARUP's Laboratory Test Directory

0050345: Immunoglobulin E

Test Mnemonic: IGE
Methodology: Electrochemiluminescent Immunoassay

Performed: Sun-Sat

Reported: Within 24 hours

Specimen Required:  
Collect: One 4 mL SST or PST. 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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