Geisinger Medical Laboratories/Geisinger Proven Diagnostics 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:
Gold-top (serum separator) microcollection tube
6 mL red-top (plain, non-serum separator) tube
Specimen required:
One (1) full 3.5 mL serum separator tube. Aliquot also acceptable, 1 mL, minimum 0.5 mL.
Special notes:
If collecting specimen in microcollection tubes, collect 3 FULL serum separator microcollection tubes.

Specimen processing instructions:
Allow to clot. Centrifuge and submit. Preferred specimen is one full 3.5 mL serum separator tube. Aliquot also acceptable, 1 mL, minimum 0.5 mL. 
Transport temperature:
Refrigerated; frozen if stability may be exceeded.
Specimen stability:
Stable 5 days at 2-8°C or 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:
AGE Range (kU/L)
0-1 0-29
1-2 0-49
2-9 0-52
9-ADULT 0-87
Additional information:
Analytical range is 1-2000 kU/L or higher with dilution.
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.
Chemiluminescence Immunoassay
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    
Review Date: 12/02/2020

Performing Locations

Geisinger Medical Center

Performing laboratory: Immunology
Technical Lead: Karen Delp
Frequency: Five days a week, 1st shift.
Performed stat? No
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