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Immunoglobulin, IgE Total

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Updated Test Information:

Test Description
Immunoglobulin, IgE Total
Synonym(s)

Immunoglobulin E, Total IgE
Test ID
IGE
Performing Lab

Incyte Diagnostics
General Information

Immunoglobulins are an important class of proteins involved with the immune response. Immunoglobulin E is associated with allergic and parasitic activation. After exposure, also called sensitization, an individual will produce IgE. The total IgE test will measure the overall quantity of a patient’s serological immunoglobulin E. Assay results should be used in conjunction with clinical findings and other serological tests.
Specimen Type

Serum
Specimen Requirements

Tiger
Alternate Specimen Type

Plasma (Na-Heparin or EDTA)
Minimum Sample Volume

1 mL
Pediatric Min. Volume (if applicable)

500 uL
Additional Processing Details

Caution: Serum/plasma samples are not to be repeatedly frozen and thawed, since this can cause analyte deterioration. They are to be thawed only once.
Stability

Stored at 2-8˚C: 7 Days
Specimens may be kept at controlled room temperature for shipping purposes only. Otherwise, they should be stored at 2-8˚C if assayed within 7 days or -20˚C for longer-term storage.
Methodology

Fluorescent enzyme immunoassay (FEIA)
Estimated TAT

2-5 days
Testing Schedule

Monday-Saturday, alternating days
CPT Code(s)

82785
Reference Range
0-3 mos <9 kU/L
3-6 mos <17 kU/L
6-9 mos <30 kU/L
9 mos- 1 yr <39 kU/L
1 yr - 2 yr <53 kU/L
2 yr – 3 yr <93 kU/L
3 yr – 4 yr <128 kU/L
4 yr – 5 yr  <160 kU/L
5 yr - 6 yr <192 kU/L
6 yr – 7 yr <224 kU/L
7 yr – 8 yr <248 kU/L
8 yr – 9 yr <280 kU/L
9 yr – 10 yr <304 kU/L
10 yr  <328 kU/L
>10 yr <114 kU/L
LOINC Code(s)

19113-0