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Laboratory Medicine

Test Directory / Total IgE

Total IgE

Brown clotted serum, gel barrier

TestTotal IgE
Common AbbreviationsIGE
Tube typeBrown clotted serum, gel barrier
Clinical IndicationMany allergies are mediated by immunoglobulins of the IgE class acting as points of contact between the allergen and specialized cells. In deciding on a course of therapy, it is important to distinguish between IgE mediated and non-IgE-mediated reactions. Measurement of the total circulating IgE level, in conjunction with other supporting diagnostic information including appropriate tests for allergen specific IgE, can assist in making decisions regards patient management.
Specimen TypeBlood
Sample typeSerum
Minimum Volume0.5mL If also requesting specific allergies, please send an additional brown clotted serum sample if you will be requesting more than 10.
Special PrecautionsNo special requirements
Stability7 days at 2-8°C and 6 months at -20°C
Turnaround TimeInpatient: 5 days Outpatient/ GP: 5 days
Reference IntervalNewborn to 3 months: <5KU/L 3 months to 1 year: <11KU/L 1 year to 5 years: <29KU/L 5 years to 10 years: <52KU/L 10 years to 15 years: <63KU/L 15 years to adult: <75KU/L Adult: <81KU/L (Quoted by the Protein Reference Unit)
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