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IgE
MessageAs IgE is of importance in allergies, elevated IgE concentrations can be found in patients with allergic diseases such as hay fever, atopic bronchitis, and dermatitits. Normal IgE values do not, however, mean that an allergic disease can be ruled out.
Test Code
IGE
Alias/See Also
LAB3060020
CPT Codes
82785
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
Specimen Stability
7 days: 2 - 8oC
6 months: -20 +/- 5oC
6 months: -20 +/- 5oC
Methodology
Immunoassay
Limitations
High dose Biotin Supplementation can cause falsely increased or decreased results.
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M/F | 0 - 1 month | 0 - 1.5 IU/mL |
| M/F | 1 month - 1 year | 0 - 15.0 IU/mL |
| M/F | 1 - 5 years | 0 - 60.0 IU/mL |
| M/F | 5 - 9 years | 0 - 90.0 IU/mL |
| M/F | 9 - 15 years | 0 - 200 IU/mL |
| M/F | 15 - 150 years | 0 - 100 IU/mL |
Performing Laboratory
Penn Medicine Lancaster General Health
