A radioallergosorbent test RAST is a blood test using radioimmunoassay test to detect specific IgE antibo.s, to determine the substances a subject is allergic to..Allergy Testing Laboratory is a medical practice in the Sydney CBD and specialises in the diagnosis and treatment of a wide range of allergies. Dr Richard Stephen .
Rast Testing For Allergies
A RAST test is a type of blood test used to test for allergies. These tests, which use radioactivity, have largely been abandoned by doctors in favor of newer, more accurate forms of allergy testing. RAST stands for “radioallergosorbent.”..Radioallergosorbent or RAST testing used to be the go to blood test for helping to diagnose an allergy. However, newer allergy blood tests are now available. ImmunoCAP testing is a more common allergy blood test..