IgE (Immunoglobulin E) Blood Test
IgE (Immunoglobulin E) Blood Test
The IgE (Immunoglobulin E) Blood Test is a diagnostic test used to detect and measure the levels of IgE antibodies in your bloodstream. IgE is a type of antibody produced by the immune system in response to allergens, parasites, and, in some cases, as part of certain immune or inflammatory disorders. This test plays a crucial role in identifying whether your body is mounting an allergic response, and it is commonly used in the investigation of suspected allergies, eczema, asthma, or recurrent unexplained symptoms such as hives or swelling.
Recommended by allergy and immunology specialists, the IgE blood test is often a first step before more specific allergy testing and is supported by national guidelines such as those from the British Society for Allergy & Clinical Immunology (BSACI) and NICE (National Institute for Health and Care Excellence).
What Does It Test For?
This test evaluates whether your immune system is overproducing IgE antibodies, which is a hallmark of allergic sensitisation. It can help explain persistent allergic symptoms, guide further allergy testing, or rule out other causes of chronic inflammation or immune dysfunction. Elevated IgE levels may also occur in parasitic infections, some autoimmune conditions, or rare immune disorders. Your healthcare provider may order this test if you are experiencing allergy-like symptoms, have a personal or family history of atopy, or if you are being monitored for an allergic condition like asthma or eczema.
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Specifications
Specifications
How to take a test
How to take a test
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Biomarkers
Biomarkers
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Stephanie L.
"The process was quick and easy. I had results back in two days with helpful insights from a doctor."
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"I’ve tried other services, but none matched the speed and clarity I got from this test. Highly recommend."
How it Works
Order Your Test
Choose your test online and we’ll send you everything you need.
Take Your Sample
Use the simple finger-prick kit to collect your blood sample at home.
Post It Back
Return your sample in the prepaid envelope — no need to visit a clinic.
Get Reviewed Results
Your results are reviewed by a qualified lab technician and delivered securely online.
FAQ's
Do I need to visit a clinic to take the test?
Do I need to visit a clinic to take the test?
No — our tests are designed to be done entirely at home using a simple finger-prick kit. Just follow the instructions and post your sample back using the prepaid envelope.
How long do results take?
How long do results take?
Once your sample reaches our lab, results are usually available within 1–2 working days. You’ll be notified by email and can view everything securely online.
Are these tests verified and reliable?
Are these tests verified and reliable?
Yes. All our tests are processed in UKAS and ISO-accredited laboratories. Our clinical team includes NHS doctors, GPs, and registered nurses, ensuring medical accuracy and professional oversight.