Nov 6, 2025 · This article explains how the RAST test is performed, along with its limitations. It also discusses how to read a RAST test and what the values on your test may indicate.

Learn how the Radioallergosorbent Test (RAST) helps diagnose allergies by measuring IgE antibodies. Discover its benefits, accuracy, and how it compares to skin tests.

A radioallergosorbent test (RAST) is a blood test using radioimmunoassay test to detect specific IgE antibodies in order to determine the substances a subject is allergic to.

To set the record straight and ensure we’re all using the correct terminology, here are five facts about RAST testing along with a short primer to help you better understand specific IgE testing.

Aug 30, 2025 · The RAST test, which stands for Radioallergosorbent Test, is a blood test that helps identify specific allergens causing your symptoms. Unlike skin prick tests, which involve exposing …

Jul 19, 2025 · The Radioallergosorbent test, or RAST, is a blood test designed to identify substances to which a person may be allergic by detecting specific antibodies in the bloodstream.

Apr 17, 2018 · A RAST test or radioallergosorbent test is a way of testing a person’s blood to see if they have any allergies. This test checks their blood for specific lgE antibodies to find out what...

Feb 18, 2025 · The RAST (Radioallergosorbent Test) method is a blood test used to identify specific allergens. It measures the amount of immunoglobulin E (IgE) antibodies in your blood that react to …

Specific IgE (commonly referred to as RAST) testing is used in the investigation of possible allergic disease. Diagnosis of allergy requires the combination of a compatible clinical history, as well as …

Jun 13, 2025 · Discover the importance of RAST testing in allergy diagnosis, its benefits, and how it compares to other testing methods.