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May 19, 2013
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Definition of RAST

RAST: Radioallergosorbent test, an allergy test that is done on a sample of blood. RAST is used to check for allergic sensitivity to specific substances.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5210
Last Editorial Review: 3/19/2012

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