Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB2515             Geisinger Epic ID: 6657

Specimen type:
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
One (1) full 3.5 mL serum separator tube. Aliquot also acceptable (0.3 mL minimum).

Specimen processing instructions:
Allow to clot. Centrifuge and submit serum. 
Transport temperature:
Refrigerated; frozen if stability may be exceeded.
Specimen stability:
Stable seven (7) days at 2-8°C or six (6) months at -20°C.
Rejection criteria:
Specimen will be rejected if stability limit has been exceeded or if specimen is hemolyzed, lipemic or icteric.

Reference interval:
< 6 months: <=17 kU/L
6 to <12 months: <= 34 kU/L
1 to < 3 years: <= 97 kU/L
3 years to <4 years: <= 199 kU/L
4 years to < 7 years: <= 307 kU/L
7 years to <9 years: <= 403 kU/L
9 years to < 13 years: <= 696 kU/L
13 years to < 16 years: <= 629 kU/L
16 years to <18 years: <= 537 kU/L
18 years and up: <= 214 kU/L
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Immunoglobulin E value.
Enzyme Immunoassay (EIA)
Immunoglobulin E, IGE
Clinical significance:
In general, the total IgE level increases with the number of allergies which a person has and with the amount of exposure to relevant allergens. Significant elevations may be encountered not only in sensitized individuals but also in cases of IgE myeloma, pulmonary aspergillosis, and during the active stage of parasitic infestations.
Doctoral Director(s:)
Hoi-Ying Elsie Yu PhD, DABCC, FADLM    
Review Date: 12/13/2022

Performing Locations

Geisinger Medical Center

Performing laboratory: Immunology
Technical Lead: Kathy Hurst
Frequency: Five days a week, 1st shift.
Performed STAT? No
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