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Article: Blood test results can vary widely.(allergy diagnosis)(Brief Article)(Evaluation)
- Article from:
- USA TODAY
- Article date:
- October 1, 2002
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Copyright informationCOPYRIGHT 2002 Society for the Advancement of Education. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The results of most commonly used blood tests for allergies can vary widely, depending on which laboratory does the actual testing and what procedure is used. This means that many people who are tested for allergies using these procedures may be misdiagnosed, argues Sheryl Szeinbach, professor of pharmacy, Ohio State University, Columbus.
In a study, researchers obtained blood from 26 people with known allergies and then sent samples from each individual to six commercial laboratories. Each of the laboratories used one of three common blood tests--the RAST, AlaSTAT, and ImmunoCap--to test for allergies. The researchers compared the results of each test and found ...
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