Description
The Total IgE test measures your overall level of allergy-related antibodies, providing a useful marker of allergic tendency and certain immune conditions.
About the Total IgE Test
This test measures the total amount of Immunoglobulin E (IgE) in your blood. Raised levels suggest an allergic tendency and are often seen in conditions such as asthma, eczema, hay fever and other allergic disorders, as well as some parasitic infections. While it does not identify specific triggers, it is a helpful overview that can guide whether more detailed allergen testing is worthwhile.
Preparation and turnaround
A quick venous blood sample is taken with no fasting required. Results are usually available within one to two working days. Because total IgE reflects overall allergic tendency rather than specific triggers, a doctor can advise whether a specific IgE panel would add value.
Frequently asked questions
What does a high total IgE mean?
It suggests an allergic tendency and is often seen with asthma, eczema and hay fever, though it does not identify the specific trigger.
How is this different from an IgE allergy panel?
Total IgE gives an overall level, while a specific IgE panel identifies which individual allergens you react to.
Is fasting required?
No fasting is needed for the total IgE test.
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