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HelpTest Code LAB74 Total IgE
Additional Codes
45954
IgE
Immunoglobulin E
Reporting Title
Total IgE
Methodology
Roche Diagnotics Electrochemiluminesence Immunoassay
Used to distinguish IgE mediated non-IgE mediated allergies. also elevated with IgE myeloma, pulmonary aspergillosis and active parasitic infection.
Performing Laboratory
OhioHealth Laboratory Services-RMH Special testing
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated. Avoid hemolysis.
Note:
1. A plain, red-top tube(s) with or without gel is also acceptable.
2. Label specimen appropriately (serum).
3. Allow specimen to clot completely at room temperature.
Alternate:
Plasma
Draw blood in a green-top (heparin) or purple-top (EDTA) tube(s). Spin down and send 1 mL of heparinized plasma refrigerated. Avoid hemolysis.
Note:
1. Label specimen appropriately (plasma).
2. Centrifuge within 2 hours, separate supernatant and refrigerate.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum or plasma | Refrigerated | 7 days |
| Ambient | 7 days | |
| Frozen | 6 months |
Specimen Transport Temperature
Ambient/Refrigerated/Frozen OK
Reference Values
< 1 year: 0-15 IU/mL
1-5 years: 0-60 IU/mL
6-9 years: 0-90 IU/mL
10-15 years: 0-200 IU/mL
> 15 years: 0-100 IU/mL
Test Classification and CPT Coding
82785
Day(s) Test Set Up
Monday through Friday Continuous
Saturday and Sunday Day shift only